7Baggers

Himax Technologies, Inc
(NASDAQ:HIMX) 

HIMX stock logo

Himax Technologies, Inc., a fabless semiconductor company, provides display imaging processing technologies in China, Taiwan, the Philippines, Korea, Japan, Europe, and the United States. The company operates through two segments, Driver IC and Non-Driver Products. It offers display driver integrate...

Founded: 2001
Full Time Employees: 2,000
Sector: Technology
Industry: Semiconductors

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    Unit: USD2025-08-07 2024-08-08 2023-12-31 2020-12-31 2019-12-31 2019-02-19 2018-12-31 2018-11-08 2018-08-09 2018-05-10 2018-02-13 2017-12-31 2017-11-09 2017-08-03 2017-05-11 2017-02-16 2016-12-31 2016-11-10 2016-08-11 2016-05-12 2016-02-04 2015-12-31 2015-11-12 2015-08-07 2015-05-14 2015-02-12 2014-12-31 2014-11-13 2014-08-07 2014-05-08 2014-02-13 2013-12-31 2013-11-07 2013-08-15 2013-05-06 2013-02-06 2012-12-31 2012-11-07 2012-08-08 2012-05-08 2012-02-13 2011-12-31 2011-11-08 2011-06-30 2011-05-09 2010-12-31 2010-09-30 2010-06-30 2010-05-05 2010-02-08 2009-12-31 2008-12-31 2007-12-31 2007-11-02 2007-08-07 2007-08-06 2007-05-10 2007-05-09 2007-02-13 2006-12-31 2006-11-07 2006-08-14 2006-08-10 2006-05-09 
                                                                    
      revenues
         188,383,000  181,365,000 162,851,000 181,081,000 197,146,000  151,730,000 155,210,000 203,443,000 218,081,000  201,074,000 180,319,000 177,977,000 165,582,000                                   744,518,000      540,204,000   
      revenues from third parties
    215,095,000 207,544,000                         227,179,000  196,404,000 194,642,000 195,232,000 195,232,000 192,814,000 164,421,000 131,717,000 129,973,000 129,973,000 125,671,000 126,164,000 103,473,000 109,841,000 109,841,000 98,404,000 92,450,000 74,093,000  71,064,000 165,879,000 70,940,000 59,421,000   101,195,000 270,072,000 75,836,000  90,947,000 88,878,000 91,920,000 59,776,250 89,044,000  65,427,000 78,696,000 
      revenues from related parties
    38,000 6,000                                42,536,000 44,019,000 60,666,000 60,666,000 64,742,000 63,346,000 63,220,000 59,387,000 59,387,000 63,717,000 68,129,000 67,000,000  67,217,000 197,326,000 104,558,000 119,255,000   165,905,000 381,039,000 109,055,000  129,932,000 88,227,000 128,959,000 71,133,500 88,061,000  109,432,000 98,638,000 
      costs and expenses:
                                                                    
      cost of revenues
    149,581,000 146,805,000    144,241,000  139,571,000 126,254,000 136,499,000 146,778,000  115,556,000 119,309,000 164,517,000 162,348,000  148,596,000 133,144,000 137,243,000 129,510,000  129,510,000 128,885,000 133,013,000 171,140,000 171,140,000 167,948,000 148,952,000 146,620,000 146,205,000 146,205,000 144,092,000 156,038,000 132,551,000 146,216,000 146,216,000 146,113,000 145,794,000 128,577,000 131,850,000 131,850,000 132,134,000 130,682,000 112,783,000  106,602,000 290,161,000 140,773,000 142,889,000   201,255,000 514,908,000 148,830,000 601,565,000 179,214,000 146,287,000 179,214,000 179,214,000 146,287,000 419,380,000 137,298,000 139,664,000 
      research and development
    34,987,000 39,664,000    32,129,000  30,444,000 30,040,000 29,387,000 34,989,000  27,921,000 25,331,000 21,826,000 28,789,000  21,803,000 23,402,000 22,575,000 27,907,000  27,907,000 22,640,000 21,300,000 22,788,000 22,788,000 28,377,000 20,220,000 20,454,000 19,078,000 19,078,000 23,549,000 18,847,000 18,894,000 17,003,000 17,003,000 21,494,000 15,717,000 16,699,000 18,666,000 18,666,000 21,292,000 19,294,000 19,790,000  23,267,000 36,149,000 17,808,000 16,767,000   17,607,000 56,299,000 14,800,000 60,655,000 13,883,000 24,267,000 13,642,000 15,465,000 22,685,000 41,278,000 10,902,000 13,957,000 
      general and administrative
    5,557,000 5,890,000    5,635,000  5,632,000 4,906,000 5,401,000 6,016,000  4,552,000 4,633,000 4,950,000 5,774,000  4,814,000 4,581,000 4,544,000 5,158,000  5,158,000 4,275,000 4,493,000 4,901,000 4,901,000 6,515,000 4,506,000 4,270,000 4,938,000 4,938,000 5,027,000 4,253,000 3,929,000 4,328,000 4,328,000 5,056,000 4,066,000 3,689,000 3,923,000 3,923,000 5,146,000 3,745,000 4,281,000  4,948,000 8,240,000 4,043,000 3,882,000   3,790,000 11,113,000 3,000,000 9,762,000 3,180,000 3,190,000 3,108,000 3,343,000 3,027,000 6,784,000 2,058,000 2,556,000 
      sales and marketing
    5,202,000 5,162,000    5,588,000  5,218,000 4,895,000 5,515,000 5,967,000  4,641,000 4,364,000 5,289,000 5,874,000  3,962,000 4,013,000 5,004,000 5,468,000  5,468,000 4,511,000 4,591,000 5,714,000 5,160,000 6,921,000 4,296,000 4,195,000 5,605,000 5,432,000 5,701,000 4,078,000 3,611,000 3,863,000 3,863,000 4,588,000 3,728,000 3,264,000 3,611,000 5,152,000 4,072,000 3,447,000 1,697,000  4,139,000 5,501,000 2,749,000 2,622,000   2,080,000 7,254,000 1,501,000 6,970,000 2,280,000 2,586,000 2,150,000 2,502,000 2,364,000 4,762,000 1,007,000 2,018,000 
      total costs and expenses
    195,327,000 197,521,000    187,593,000  180,865,000 166,095,000 176,802,000 193,750,000  152,670,000 153,637,000 196,582,000 202,785,000  179,175,000 165,140,000 169,366,000 168,043,000  168,043,000 160,311,000 163,397,000 204,543,000 204,543,000 209,761,000 177,974,000 175,539,000 175,826,000 130,142,500 178,369,000 183,216,000 158,985,000 171,410,000 124,696,250 177,251,000 169,305,000 152,229,000 158,050,000 114,590,750 162,644,000 157,168,000 138,551,000  138,956,000 340,051,000 165,373,000 165,585,000   147,393,500 589,574,000 168,131,000  198,557,000 176,330,000 198,114,000 119,607,000 174,363,000 472,204,000 151,265,000 158,195,000 
      operating income
    19,806,000 10,029,000    790,000  500,000  4,279,000 3,396,000   1,573,000 6,861,000 15,296,000  21,899,000 15,179,000 8,611,000   -2,461,000 8,874,000 15,648,000 22,636,000 22,636,000 12,556,000 18,430,000 19,103,000 19,406,000 19,406,000 14,445,000 23,741,000 16,751,000 19,229,000 19,229,000 13,162,000 20,205,000 14,464,000 11,178,000 11,178,000 -523,000 3,411,000 2,542,000  -675,000 23,154,000 10,125,000 13,091,000   42,368,000 61,537,000 16,760,000 65,566,000 22,322,000 775,000 22,765,000 20,355,000 2,742,000 68,000,000 23,594,000 19,139,000 
      yoy
     1169.49%    -81.54%    172.03% -50.50%   -92.82% -54.80% 77.63%   -716.78% -2.96%   -110.87% -29.32% -15.09% 18.49% 16.64% -35.30% 27.59% -19.54% 15.85% 0.92% -24.88% 80.38% -17.09% 32.94% 72.03% 17.75% -3963.29% 324.04% 339.73%  -22.52% -85.27% -74.89%    -76.10% -78.73%   89.80% 7840.26% -26.38% 222.11% 714.08% -98.86% -3.51% 6.35%     
      qoq
    97.49%         26.00%    -77.07% -55.15%   44.27% 76.27%    -127.73% -43.29% -30.87% 0.00% 80.28% -31.87% -3.52% -1.56% 0.00% 34.34% -39.16% 41.73% -12.89% 0.00% 46.09% -34.86% 39.69% 29.40% 0.00% -2237.28% -115.33% 34.19%   -102.92% 128.68% -22.66%    -31.15% 267.17% -74.44% 193.73% 2780.26% -96.60% 11.84% 642.34% -95.97% 188.21% 23.28%  
      non operating income:
                                                                    
      interest income
    2,312,000 2,524,000    603,000  672,000 549,000 554,000 509,000  619,000 543,000 399,000 264,000  329,000 229,000 188,000 116,000  116,000 204,000 202,000 225,000 225,000 167,000 213,000 123,000 153,000 93,500 104,000 256,000 14,000 74,000 60,750 58,000 100,000 85,000 160,000 99,000 126,000 130,000 140,000  193,000 273,000 104,000 90,000   1,081,250 4,325,000 1,382,000  1,812,000 2,000,000 1,812,000 1,012,000 2,000,000  205,000 323,000 
      changes in fair value of financial assets at fair value through profit or loss
    -17,000 -7,000    -44,000   1,000 23,064,000                                                       
      foreign currency exchange gains
    345,000 941,000      242,000       686,000   182,000   680,000                                            
      finance costs
    -903,000 -1,018,000    -378,000    -250,000                                                       
      share of losses of associates
    -742,000 -221,000        -483,000                                                       
      other gains
    3,205,000                                                                
      other income
    17,000 29,000    9,000  1,677,000 4,000 10,000 2,000       1,000     125,000 64,000  938,000 18,000 43,000 81,000  347,000 15,750 17,000 32,000 14,000 -192,000 173,500 502,000 -17,000 209,000 9,000 -6,750 -271,000 478,000 -234,000  173,000 155,000 29,000 31,000   91,750 367,000 42,000  61,000 59,000 61,000 43,000 59,000  55,000  
      profit before income taxes
    24,023,000 12,277,000    146,000  1,702,000  26,852,000                                                       
      income tax expense
    3,841,000     26,000  306,000   621,000   121,000 3,609,000 1,441,000  3,401,000 2,220,000 3,759,000 1,151,000  1,151,000 2,579,000 3,916,000 9,247,000 9,247,000 2,568,000 6,156,000 3,620,000 5,627,000 3,462,250 3,631,000 6,026,000 4,192,000 4,527,000 3,010,000 3,388,000 5,447,000 3,205,000 5,809,000 373,000 -31,000 926,000 597,000  -149,000 4,223,000 2,049,000 3,016,000       -6,937,000   372,750   1,491,000 2,313,000 
      profit for the period
    20,182,000 12,277,000    120,000  1,396,000  22,863,000                                                       
      profit attributable to noncontrolling interests
    -195,000                                                                
      profit attributable to himax technologies, inc. stockholders
    19,987,000 12,498,000    889,000  2,046,000  23,544,000                                                       
      basic earnings per ads attributable to himax technologies, inc. stockholders
    114 72     12  136 21    26 79   76 36                                             
      diluted earnings per ads attributable to himax technologies, inc. stockholders
    114 71     12  136 21    26 79   76 36                                             
      basic weighted-average outstanding ads
    174,913,000 174,724,000    172,500,000  172,499,000 172,499,000 172,499,000 172,401,000  172,399,000 172,399,000 172,399,000 172,304,000  172,303,000 172,303,000 172,303,000 171,615,000  171,615,000 171,608,000 171,608,000 171,608,000  170,927,000 170,920,000 170,920,000 170,920,000  169,980,000 169,970,000 169,970,000 170,057,000  169,782,000 170,283,000 172,017,000 176,227,000                        
      diluted weighted-average outstanding ads
    175,072,000 175,026,000    172,530,000  172,539,000 172,536,000 172,518,000 172,448,000  172,462,000 172,424,000 172,415,000 172,356,000  172,385,000 172,352,000 172,303,000 171,936,000  171,936,000 172,206,000 172,185,000 172,161,000  171,797,000 172,139,000 172,234,000 172,148,000  171,591,000 172,029,000 171,537,000 170,868,000  169,929,000 170,586,000 172,017,000 176,227,000                        
      income tax benefit
             3,989,000                                                -1,246,000       
      loss (profit) attributable to noncontrolling interests
     221,000                                                               
      non operating income
                                                                    
      foreign currency exchange losses
         -285,000    -322,000                                                       
      share of profit (losses) of associates
         -549,000                                                           
      3,877
         -644,000                                                           
      loss attributable to noncontrolling interests
         769,000  650,000 487,000 681,000                                                       
      gains on sale of securities
              55,000  37,000 70,000 5,000 95,000    159,000 32,000  32,000 1,712,000   -26,000 -10,000 10,749,000                                    
      equity in income (losses) of equity method investees
              114,000         262,000   -119,000 -170,000  -24,000   5,000  -32,000  101,000                                
      interest expense
                          -152,000 -107,000 -114,000 -149,000 -149,000 -139,000 -117,000 -113,000 -129,000 -68,000 -110,000 -82,000 -80,000 -79,000 -68,250 -77,000 -97,000 -99,000 -125,000 -82,500 -131,000 -102,000 -97,000  -71,000             -77,750   -284,000  
      earnings before income taxes
              3,751,000    7,110,000 14,832,000   14,802,000 8,974,000    10,195,000 15,477,000 24,385,000 24,385,000 12,714,000 29,343,000 19,052,000 20,003,000 13,849,250 14,527,000 24,100,000 16,770,000 18,785,000 12,040,500 13,552,000 20,364,000 14,246,000 10,838,000 1,492,500 -122,000 3,705,000 2,387,000  -824,000 23,459,000 10,247,000 13,104,000               
      net income
              3,130,000   809,000 3,501,000 13,391,000  19,273,000 12,582,000 5,215,000   -2,930,000 7,616,000 11,561,000 15,138,000 15,138,000 10,146,000 23,187,000 15,432,000 14,376,000 14,376,000 10,896,000 18,074,000 12,578,000 14,258,000 14,016,000 10,164,000 14,917,000 11,041,000 5,029,000 5,029,000 -91,000 2,779,000 1,790,000  -675,000 19,236,000 8,198,000 10,088,000   45,962,000 66,634,000 18,019,000 75,190,000 31,101,000 2,625,000 29,388,000 29,134,000 4,592,000 61,558,000 21,939,000 16,980,000 
      yoy
              -10.60%   -95.80% -72.17% 156.78%   -529.42% -31.53%   -119.36% -24.94% -50.14% -1.91% 5.30% -29.42% 112.80% -14.62% 14.29% 0.83% -22.26% 77.82% -15.68% 29.14% 178.70% 102.11% -16492.31% 297.30% 180.95%  -86.52% -85.55% -78.17%    -82.16% -84.86%   47.78% 2438.44% -38.69% 158.08% 577.29% -95.74% 33.95% 71.58%     
      qoq
                 -76.89% -73.86%   53.18% 141.27%    -138.47% -34.12% -23.63% 0.00% 49.20% -56.24% 50.25% 7.35% 0.00% 31.94% -39.71% 43.70% -11.78% 1.73% 37.90% -31.86% 35.11% 119.55% 0.00% -5626.37% -103.27% 55.25%   -103.51% 134.64% -18.74%    -31.02% 269.80% -76.04% 141.76% 1084.80% -91.07% 0.87% 534.45% -92.54% 180.59% 29.20%  
      net loss attributable to noncontrolling interests
              554,000  354,000 554,000 938,000 207,000  514,000 506,000 915,000 598,000  598,000 1,216,000 1,004,000 487,000 487,000 1,001,000 925,000 282,000 1,448,000 1,026,000 1,374,000 1,276,000 1,454,000 82,000 176,750 247,000 188,000 272,000 -1,312,000  733,000 845,000 933,000  1,122,000  940,000 949,000               
      net income attributable to himax technologies, inc. stockholders
              3,684,000    4,439,000 13,598,000   13,088,000 6,130,000                                             
      equity in incomes (losses) of equity method investees
                                                                    
      other income (losses)
                 48,000 2,000 2,000     125,000    104,000     -239,000                                   
      earnings (loss) before income taxes
                 930,000    22,674,000                                               
      net income (loss) attributable to himax technologies, inc. stockholders
                 1,363,000    19,787,000                                               
      basic earnings (loss) per ads attributable to himax technologies, inc. stockholders
                    115                                               
      diluted earnings (loss) per ads attributable to himax technologies, inc. stockholders
                    115                                               
      dividend income
                     700,000                                               
      equity in losses of equity method investees
                            -50,000  -24,000   -75,000  -22,500  -64,000 -127,000 -14,000 -28,500 -30,000 -12,000 -72,000 -74,000 -68,750 -82,000 -112,000 -81,000  -99,000 -165,000                 
      valuation gain on financial instruments
                                                                    
      impairment loss on investments
                                                                    
      net income (loss) attributable to himax stockholders
                          -2,332,000                           11,037,000               
      basic earnings (loss) per ads attributable to himax stockholders
                          -14                                          
      diluted earnings (loss) per ads attributable to himax stockholders
                          -14                           60               
      net revenues
                          165,582,000 169,185,000 179,045,000 227,179,000  222,317,000                                     
      foreign exchange gains
                          680,000  -313,000 759,000 79,500 83,000 -18,000 253,000 258,000 96,250 -30,000 217,000 198,000  -54,750 -63,000 185,000 -341,000 -310,000  759,000 -100,000 117,000  -345,000 42,000  -108,000         356,000 -33,000   -232,000 135,000 
      earnings (loss)before income taxes
                          -1,779,000                                          
      foreign exchange losses
                           -382,000            -233,000             -11,000    -120,750 -483,000   -209,000 -1,298,000       
      net income attributable to himax stockholders
                           8,832,000 12,565,000 15,625,000 12,743,250 11,147,000 24,112,000 15,714,000 15,824,000 15,824,000 12,270,000 19,350,000 14,032,000 14,340,000 14,767,000 10,411,000 15,105,000 11,313,000 3,717,000 3,717,000 642,000 3,624,000 2,723,000  447,000 21,106,000 9,138,000                
      basic earnings per ads attributable to himax stockholders
                           51 73 91 74.5 65 141 92 93 67.25 72 114 83 84 54 61 89  21 9.75 20 20  120 50 60               
      diluted earnings per ads attributable to himax stockholders
                           51 73 91 74.25 65 140 91 92 66.5 72 112 82 84 54 61 89  21 9.75  20  120 50                
      equity in income of equity method investees
                               14,000                                     
      revenues:
                                                                    
      basic earnings per ordinary share attributable to himax stockholders
                                      41 42 27 31 44  11 10 10  60 30 30               
      diluted earnings per ordinary share attributable to himax stockholders
                                      41 42 27 31 44  11  10  60 30                
      basic earnings per ordinary share attributable to himax stockholders
                                           33                         
      diluted earnings per ordinary share attributable to himax stockholders
                                           33                         
      basic earnings per ads attributable to himax stockholders
                                           66                         
      diluted earnings per adsattributable to himax stockholders
                                           66                         
      basic weighted-average outstanding ordinary shares
                                              353,396,000 354,629,000 354,633,000  352,589,000  357,557,000 362,034,000               
      diluted weighted-average outstanding ordinary shares
                                              353,753,000 356,138,000 355,833,000  353,767,000  359,102,000 362,579,000               
      diluted earningsper ordinary shareattributable to himax stockholders
                                               10                     
      diluted earnings per adsattributable to himax stockholders
                                               20                     
      net loss attributable to the noncontrolling interests
                                             627,750      1,870,000                 
      basic weighted-average outstanding shares
                                                   356,486,000      197,671,000 195,761,000  198,154,000 197,110,000 198,147,000  197,110,000  178,575,000 176,854,000 
      diluted weighted-average outstanding shares
                                                   358,517,000      197,834,000 195,968,000  199,419,000 199,729,000 199,518,000  199,729,000  182,271,000 180,707,000 
      bad debt expense
                                                     -575,000               
      diluted earnings (loss) per ordinary share attributable to himax stockholders
                                                     30               
      impairment loss on an investment
                                                               -375,000     
      income before income taxes and minority interest
                                                        16,436,500 65,746,000 17,694,000  23,986,000 1,536,000   3,503,000  23,338,000 19,262,000 
      income before minority interest
                                                        16,436,500 65,746,000 17,694,000  30,923,000 2,782,000 29,205,000 11,499,250 4,749,000  21,847,000 16,949,000 
      minority interest, net of tax
                                                        222,000 888,000 325,000  178,000 -157,000 183,000 14,750   92,000 31,000 
      basic earnings per ordinary share and ads
                                                        85 340 90  160 10 150 60 20  120 100 
      diluted earnings per ordinary share and ads
                                                        85 340 90  160 10 150 60 20  120 90 
      foreign exchange gains (losses)
                                                          -490,000          
      consolidated statements of income data:
                                                                    
      earnings (loss) per ordinary share and per
                                                                    
      ads:
                                                                    
      basic
                                                           390         
      diluted
                                                           390         
      weighted-average number of shares used in
                                                                    
      earnings per share computation:
                                                                    
      basic
                                                           192,475      176,105   
      diluted
                                                           195,090      180,659   
      cash dividends declared per ordinary
                                                                    
      share
                                                                    
      income before income taxes and minority
                                                              24,994,000      
      interest
                                                                    
      income tax (benefit) expense
                                                                    
      consolidated statements of operations data:
                                                                    
      earnings per ordinary share
                                                                    
      and per ads:
                                                                    
      basic
                                                                 350   
      diluted
                                                                 340   
      other than temporary impairment loss on investments
                                                                    
      in non-marketable securities
                                                                    
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-11-06 2025-09-30 2025-08-07 2025-06-30 2025-05-08 2025-03-31 2025-02-13 2024-12-31 2024-11-07 2024-09-30 2024-08-08 2024-06-30 2024-05-09 2024-03-31 2024-02-06 2023-12-31 2023-11-09 2023-09-30 2023-08-10 2023-06-30 2023-05-11 2023-03-31 2023-02-09 2022-12-31 2022-11-10 2022-09-30 2022-08-11 2022-06-30 2022-05-12 2022-03-31 2022-02-17 2021-12-31 2021-11-04 2021-09-30 2021-08-05 2021-06-30 2021-05-06 2021-03-31 2021-02-04 2020-12-31 2019-12-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2018-02-13 2017-12-31 2017-11-09 2017-08-03 2017-05-11 2017-02-16 2016-12-31 2016-08-11 2016-05-12 2016-02-04 2015-12-31 2015-11-12 2015-08-07 2015-06-30 2015-05-14 2015-03-31 2015-02-12 2014-12-31 2014-11-13 2014-09-30 2014-08-07 2014-06-30 2014-05-08 2014-03-31 2014-02-13 2013-12-31 2013-11-07 2013-09-30 2013-08-15 2013-05-06 2013-03-31 2013-02-06 2012-12-31 2012-11-07 2012-09-30 2012-08-08 2012-06-30 2012-05-08 2012-02-13 2011-12-31 2011-11-08 2011-09-30 2011-06-30 2011-05-09 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-05-05 2010-02-08 2009-12-31 2008-12-31 2007-12-31 2007-11-02 2007-08-07 2007-08-06 2007-05-10 2007-05-09 2007-02-13 2006-12-31 2006-11-07 2006-09-30 2006-08-14 2006-08-10 2006-06-30 2006-03-31 2005-12-31 2002-12-31 
                                                                                                                       
        assets
                                                                                                                       
        current assets:
                                                                                                                       
        cash and cash equivalents
      257,090,000 257,090,000 304,678,000 304,678,000 275,445,000 275,445,000 218,148,000 218,148,000 194,139,000 194,139,000 236,676,000 236,676,000 261,702,000 261,702,000 191,749,000 191,749,000 147,257,000 147,257,000 211,425,000 211,425,000 196,286,000 196,286,000 221,581,000 221,581,000 219,745,000 219,745,000 452,902,000 452,902,000 378,013,000 378,013,000 336,024,000 336,024,000 229,197,000 229,197,000 251,725,000 251,725,000 227,378,000 227,378,000 184,938,000 184,938,000 101,055,000 106,437,000 90,946,000 114,480,000 139,806,000 138,023,000 138,023,000 141,482,000 177,206,000 190,345,000 184,452,000 184,452,000 164,423,000 150,521,000 129,829,000 129,829,000 106,387,000 161,256,000 161,256,000 176,362,000 176,362,000 185,466,000 185,466,000 144,577,000 144,577,000 169,799,000 169,799,000 138,888,000 138,888,000 127,320,000 127,320,000 133,090,000 133,090,000 146,950,000 158,716,000 158,716,000 138,737,000 138,737,000 88,822,000 88,822,000 102,992,000 102,992,000 101,912,000 106,164,000 106,164,000 90,654,000 90,654,000 103,887,000 109,519,000 109,519,000 96,842,000 80,139,000 153,967,000 155,932,000 110,924,000  135,200,000 18,588,000 119,246,000 137,508,000 109,753,000 111,838,000 155,594,000 109,753,000 109,753,000 155,594,000 155,594,000 7,086,000 166,884,000 166,884,000 31,247,000 7,086,000 2,697,000 
        financial assets at amortized cost
        3,517,000 3,517,000 2,286,000 2,286,000 4,286,000 4,286,000 12,335,000 12,335,000 11,408,000 11,408,000 14,334,000 14,334,000 12,511,000 12,511,000 8,139,000 8,139,000 8,079,000 8,079,000 8,510,000 8,510,000 8,314,000 8,314,000 8,147,000 8,147,000 8,539,000 8,539,000 23,987,000 23,987,000 26,013,000 26,013,000 17,861,000 17,861,000 13,542,000 13,542,000 11,881,000 11,881,000 8,682,000 8,682,000   12,001,000 12,154,000 11,753,000                                                                     
        financial assets at fair value through profit or loss
      21,106,000 21,106,000 24,556,000 24,556,000 3,253,000 3,253,000 2,140,000 2,140,000 26,383,000 26,383,000 5,713,000 5,713,000 1,380,000 1,380,000 2,117,000 2,117,000 18,655,000 18,655,000 19,094,000 19,094,000 19,026,000 19,026,000 15,350,000 15,350,000 14,466,000 14,466,000 192,000 192,000 45,062,000 45,062,000 2,345,000 2,345,000 3,765,000 3,765,000 5,144,000 5,144,000 6,561,000 6,561,000 7,799,000 7,799,000   1,529,000 66,000 361,000                                                                     
        accounts receivable
      200,712,000 200,712,000 219,035,000 219,035,000 217,549,000 217,549,000 236,813,000 236,813,000 224,589,000 224,589,000 242,376,000 242,376,000 212,326,000 212,326,000 235,829,000 235,829,000 248,507,000 248,507,000 239,039,000 239,039,000 252,155,000 252,155,000 261,148,000 261,148,000 253,284,000 253,284,000 371,033,000 371,033,000 442,220,000 442,220,000 410,211,000 410,211,000 400,877,000 400,877,000 329,019,000 329,019,000 289,067,000 289,067,000 243,626,000 243,626,000 164,943,000 189,279,000 187,613,000 176,286,000 166,603,000  187,571,000                        200,725,000       135,747,000       101,280,000            51,029,000           80,158,000    80,259,000 1,637,000 
        inventories
      137,423,000 137,423,000 134,573,000 134,573,000 129,867,000 129,867,000 158,746,000 158,746,000 192,458,000 192,458,000 203,691,000 203,691,000 201,872,000 201,872,000 217,308,000 217,308,000 259,610,000 259,610,000 297,268,000 297,268,000 335,235,000 335,235,000 370,933,000 370,933,000 410,071,000 410,071,000 337,312,000 337,312,000 253,055,000 253,055,000 198,600,000 198,600,000 160,947,000 160,947,000 134,243,000 134,243,000 114,945,000 114,945,000 108,707,000 108,707,000 143,774,000 162,561,000 145,812,000 142,077,000 147,962,000 135,200,000 135,200,000 130,112,000 147,680,000 148,260,000 149,748,000 149,748,000 186,655,000 182,814,000 171,374,000 171,374,000 177,694,000 189,572,000 189,572,000 186,143,000 186,143,000 166,105,000 166,105,000 157,139,000 157,139,000 166,332,000 166,332,000 172,335,000 172,335,000 177,399,000 177,399,000 159,615,000 159,615,000 142,922,000 138,331,000 138,331,000 116,671,000 116,671,000 128,339,000 128,339,000 139,158,000 139,158,000 118,515,000 112,985,000 112,985,000 104,664,000 104,664,000 124,350,000 130,057,000 130,057,000 117,988,000 111,664,000 79,261,000 65,401,000 67,768,000  96,921,000  125,983,000 125,146,000 101,341,000 119,379,000 106,977,000 101,341,000 101,341,000 106,977,000 106,977,000 105,004,000 99,605,000 99,605,000 99,539,000 105,004,000 12,056,000 
        income taxes receivable
      418,000 418,000 802,000 802,000 717,000 717,000 726,000 726,000 986,000 986,000 970,000 970,000 1,003,000 1,003,000 1,454,000 1,454,000 22,000 22,000 28,000 28,000 35,000 35,000 31,000 31,000 41,000 41,000 39,000 39,000 56,000 56,000 54,000 54,000 93,000 93,000 91,000 91,000 44,000 44,000 91,000 91,000   45,000 45,000 45,000                                                                     
        restricted deposit
      568,200,000 568,200,000 503,700,000 503,700,000 503,700,000 503,700,000 503,700,000 503,700,000 503,700,000 503,700,000 453,000,000 453,000,000 453,000,000 453,000,000 453,000,000 453,000,000 453,000,000 453,000,000 369,300,000 369,300,000 369,300,000 369,300,000 369,300,000 369,300,000 369,300,000 369,300,000 151,400,000 151,400,000 151,400,000 151,400,000 154,100,000 154,100,000 156,800,000 156,800,000 112,100,000 112,100,000 114,800,000 114,800,000 104,000,000 104,000,000   164,328,000 147,000,000 147,000,000                                                                     
        other receivable from related parties
      16,000 16,000 7,000 7,000 11,000 11,000 13,000 13,000 22,000 22,000 55,000 55,000 136,000 136,000 69,000 69,000 1,190,000 1,190,000 1,171,000 1,171,000 1,174,000 1,174,000 1,224,000 1,224,000 1,230,000 1,230,000 1,381,000 1,381,000 1,214,000 1,214,000 1,217,000 1,217,000 1,209,000 1,209,000 1,209,000 1,209,000 1,215,000 1,215,000     2,840,000 2,803,000 3,515,000                                                                     
        other current assets
      52,952,000 52,952,000 40,165,000 40,165,000 37,760,000 37,760,000 43,471,000 43,471,000 42,581,000 42,581,000 54,463,000 54,463,000 60,051,000 60,051,000 86,548,000 86,548,000 102,652,000 102,652,000 109,334,000 109,334,000 106,428,000 106,428,000 104,277,000 104,277,000 109,734,000 109,734,000 91,744,000 91,744,000 86,371,000 86,371,000 64,280,000 64,280,000 54,530,000 54,530,000 28,962,000 28,962,000 35,274,000 35,274,000 35,368,000 35,368,000   18,728,000 18,743,000 19,609,000                                                   1,898,000  1,109,000                
        total current assets
      1,237,917,000 1,237,917,000 1,231,033,000 1,231,033,000 1,170,588,000 1,170,588,000 1,168,043,000 1,168,043,000 1,170,810,000 1,170,810,000 1,208,352,000 1,208,352,000 1,205,804,000 1,205,804,000 1,200,585,000 1,200,585,000 1,220,377,000 1,220,377,000 1,235,644,000 1,235,644,000 1,288,149,000 1,288,149,000 1,336,808,000 1,336,808,000 1,371,552,000 1,371,552,000 1,414,542,000 1,414,542,000 1,381,378,000 1,381,378,000 1,192,844,000 1,192,844,000 1,025,299,000 1,025,299,000 876,039,000 876,039,000 801,194,000 801,194,000 694,411,000 694,411,000 604,668,000 654,415,000 622,313,000 613,654,000 636,654,000 661,418,000 661,418,000 633,288,000 620,472,000 643,255,000 702,965,000 702,965,000 715,637,000 726,967,000 697,835,000 697,835,000 679,859,000 690,231,000 690,231,000 713,637,000 713,637,000 729,576,000 729,576,000 686,054,000 686,054,000 667,299,000 667,299,000 647,501,000 647,501,000 639,657,000 639,657,000 636,265,000 636,265,000 611,997,000 587,957,000 587,957,000 565,908,000 567,088,000 540,407,000 540,407,000 549,734,000 549,734,000 525,974,000 515,709,000 515,709,000 480,698,000 480,698,000 493,975,000 498,705,000 498,705,000 478,296,000 450,322,000 481,903,000 458,747,000 423,778,000  434,650,000  560,807,000 547,508,000 466,715,000 475,670,000 469,721,000 466,772,000 466,715,000 471,688,000 471,688,000 300,056,000 449,628,000 449,628,000 313,185,000 300,056,000 26,885,000 
        financial assets at fair value through other comprehensive income
      43,797,000 43,797,000 33,828,000 33,828,000 29,985,000 29,985,000 28,226,000 28,226,000 22,457,000 22,457,000 27,974,000 27,974,000 1,889,000 1,889,000 1,635,000 1,635,000 289,000 289,000 313,000 313,000 285,000 285,000 279,000 279,000 352,000 352,000 373,000 373,000 397,000 397,000 410,000 410,000 422,000 422,000 557,000 557,000 541,000 541,000 742,000 742,000   772,000 802,000 1,522,000                                                                     
        equity method investments
      11,950,000 11,950,000 12,729,000 12,729,000 8,061,000 8,061,000 8,571,000 8,571,000 2,945,000 2,945,000 3,034,000 3,034,000 3,173,000 3,173,000 3,490,000 3,490,000 5,801,000 5,801,000 6,127,000 6,127,000 6,385,000 6,385,000 6,533,000 6,533,000 3,293,000 3,293,000 3,994,000 3,994,000 3,982,000 3,982,000 3,302,000 3,302,000 3,920,000 3,920,000 4,205,000 4,205,000 3,944,000 3,944,000 3,983,000 3,983,000   9,356,000 9,964,000 9,905,000 10,739,000  4,231,000 4,055,000 2,235,000 2,362,000 2,362,000 3,277,000 3,490,000 3,648,000 3,648,000 3,392,000 3,516,000 3,516,000 3,666,000 3,666,000 102,000 102,000 130,000 130,000 118,000 118,000 111,000 111,000 190,000  190,000 190,000 86,000 151,000 151,000 283,000  295,000 295,000 322,000 322,000 378,000 439,000  509,000 509,000 623,000 781,000 781,000 869,000 1,231,000 1,318,000 1,430,000                    
        property, plant and equipment
      120,304,000 120,304,000 121,248,000 121,248,000 120,538,000 120,538,000 121,280,000 121,280,000 122,333,000 122,333,000 125,900,000 125,900,000 128,938,000 128,938,000 130,109,000 130,109,000 119,231,000 119,231,000 121,674,000 121,674,000 124,476,000 124,476,000 126,138,000 126,138,000 127,598,000 127,598,000 128,839,000 128,839,000 131,639,000 131,639,000 133,236,000 133,236,000 133,874,000 133,874,000 137,031,000 137,031,000 136,250,000 136,250,000 132,074,000 132,074,000   109,198,000 106,041,000 95,953,000 86,673,000  69,518,000 57,813,000 47,738,000 48,172,000 48,172,000 51,056,000 52,654,000 54,461,000 54,461,000 55,700,000 54,235,000 54,235,000 54,879,000 54,879,000 57,271,000 57,271,000 58,390,000 58,390,000 59,747,000 59,747,000 59,063,000 59,063,000 60,588,000  59,332,000 59,332,000 59,730,000 57,580,000 57,580,000 52,609,000  53,119,000 53,119,000 54,173,000 54,173,000 55,873,000 57,150,000  58,102,000 58,102,000 54,045,000 48,658,000 48,658,000 47,561,000 48,708,000 50,544,000 50,783,000 51,458,000    46,070,000 45,801,000              
        deferred tax assets
      22,755,000 22,755,000 23,642,000 23,642,000 20,872,000 20,872,000 21,193,000 21,193,000 13,806,000 13,806,000 13,482,000 13,482,000 10,440,000 10,440,000 14,196,000 14,196,000 11,244,000 11,244,000 11,651,000 11,651,000 11,925,000 11,925,000 11,797,000 11,797,000 6,199,000 6,199,000 6,622,000 6,622,000 7,007,000 7,007,000 7,191,000 7,191,000 7,979,000 7,979,000 8,043,000 8,043,000 15,708,000 15,708,000 15,739,000 15,739,000   7,851,000 7,834,000 8,199,000                                                                     
        goodwill
      28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000   28,138,000 28,138,000 28,138,000 28,138,000  28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 28,138,000  28,138,000 28,138,000 28,138,000 28,138,000 28,138,000 30,786,000  30,923,000 30,923,000 26,846,000 26,846,000 26,846,000 26,846,000  26,846,000 26,846,000 26,846,000 26,846,000 26,846,000 26,846,000 26,846,000 26,846,000 26,846,000 26,846,000                   
        other intangible assets
      830,000 830,000 563,000 563,000 619,000 619,000 636,000 636,000 717,000 717,000 791,000 791,000 851,000 851,000 816,000 816,000 851,000 851,000 876,000 876,000 989,000 989,000 1,094,000 1,094,000 5,571,000 5,571,000 5,948,000 5,948,000 6,353,000 6,353,000 6,617,000 6,617,000 7,004,000 7,004,000 7,147,000 7,147,000 7,428,000 7,428,000 7,876,000 7,876,000   12,899,000 13,525,000 3,027,000 2,179,000  2,427,000 2,675,000 2,922,000 3,170,000 3,170,000 3,665,000 3,913,000 4,161,000 4,161,000 3,668,000 3,889,000 3,889,000 4,085,000 4,085,000 4,281,000 4,281,000 4,477,000 4,477,000 4,672,000 4,672,000 4,868,000 4,868,000 5,234,000  5,960,000 5,960,000 6,685,000 7,411,000 7,411,000                                      
        refundable deposits
      185,299,000 185,299,000 215,320,000 215,320,000 215,271,000 215,271,000 221,824,000 221,824,000 221,879,000 221,879,000 221,856,000 221,856,000 221,886,000 221,886,000 222,025,000 222,025,000 205,383,000 205,383,000 205,237,000 205,237,000 224,661,000 224,661,000 162,968,000 162,968,000 162,924,000 162,924,000 174,779,000 174,779,000 181,129,000 181,129,000 199,982,000 199,982,000 87,001,000 87,001,000 79,154,000 79,154,000                                                                  618,000 603,000 550,000  603,000 603,000  511,000 511,000 488,000   
        other non-current assets
      17,776,000 17,776,000 17,954,000 17,954,000 17,854,000 17,854,000 18,025,000 18,025,000 18,484,000 18,484,000 19,611,000 19,611,000 20,728,000 20,728,000 20,728,000 20,728,000 7,734,000 7,734,000 9,371,000 9,371,000 10,981,000 10,981,000 12,621,000 12,621,000 10,809,000 10,809,000 13,524,000 13,524,000 15,456,000 15,456,000 17,770,000 17,770,000 20,285,000 20,285,000 437,000 437,000 14,165,000 14,165,000 12,748,000 12,748,000   2,695,000 3,660,000 8,579,000                                                                     
        total assets
      1,694,579,000 1,694,579,000 1,708,134,000 1,708,134,000 1,635,480,000 1,635,480,000 1,639,521,000 1,639,521,000 1,627,983,000 1,627,983,000 1,674,866,000 1,674,866,000 1,643,513,000 1,643,513,000 1,643,404,000 1,643,404,000 1,617,734,000 1,617,734,000 1,638,157,000 1,638,157,000 1,714,286,000 1,714,286,000 1,701,758,000 1,701,758,000 1,730,934,000 1,730,934,000 1,790,830,000 1,790,830,000 1,769,193,000 1,769,193,000 1,603,194,000 1,603,194,000 1,327,901,000 1,327,901,000 1,154,688,000 1,154,688,000 1,021,333,000 1,021,333,000 909,818,000 909,818,000 818,481,000 836,678,000 794,882,000 785,652,000 794,058,000 802,055,000 802,055,000 758,508,000 734,004,000 745,037,000 799,634,000 799,634,000 815,268,000 829,391,000 802,337,000 802,337,000 785,602,000 794,180,000 794,180,000 818,130,000 818,130,000 832,994,000 832,994,000 795,214,000 795,214,000 776,616,000 776,616,000 760,044,000 760,044,000 759,327,000 759,327,000 756,739,000 756,739,000 733,281,000 704,614,000 704,614,000 677,047,000 674,598,000 652,439,000 652,439,000 675,389,000 675,389,000 654,065,000 644,978,000 644,978,000 620,807,000 620,807,000 632,790,000 632,228,000 632,228,000 617,490,000 581,046,000 606,893,000 584,983,000 550,446,000 576,149,000 565,548,000 451,997,000 656,626,000 642,874,000 518,794,000 570,701,000 507,188,000 521,904,000 518,794,000 509,155,000 509,155,000 327,239,000 479,783,000 479,783,000 341,648,000 327,239,000 29,423,000 
        liabilities and equity
                                                                                                                       
        current liabilities:
                                                                                                                       
        short-term unsecured borrowings
      985,000 985,000 1,024,000 1,024,000 602,000 602,000           279,000 279,000 289,000 289,000                                                                                              
        current portion of long-term unsecured borrowings
      6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000 6,000,000                                                                          
        short-term secured borrowings
      568,200,000 568,200,000 503,700,000 503,700,000 503,700,000 503,700,000 503,700,000 503,700,000 503,700,000 503,700,000 453,000,000 453,000,000 453,000,000 453,000,000 453,000,000 453,000,000 453,000,000 453,000,000 369,300,000 369,300,000 369,300,000 369,300,000 369,300,000 369,300,000 369,300,000 369,300,000 151,400,000 151,400,000 151,400,000 151,400,000 151,400,000 151,400,000 151,400,000 151,400,000 104,000,000 104,000,000 104,000,000 104,000,000 104,000,000 104,000,000                                                                          
        accounts payable
      128,353,000 128,353,000 143,048,000 143,048,000 105,610,000 105,610,000 113,203,000 113,203,000 121,384,000 121,384,000 148,602,000 148,602,000 117,234,000 117,234,000 107,342,000 107,342,000 109,554,000 109,554,000 127,652,000 127,652,000 135,677,000 135,677,000 122,042,000 122,042,000 191,971,000 191,971,000 243,304,000 243,304,000 255,708,000 255,708,000 248,425,000 248,425,000 224,309,000 224,309,000 208,302,000 208,302,000 191,304,000 191,304,000 171,903,000 171,903,000 114,320,000 150,500,000 141,553,000 128,862,000 134,970,000 139,933,000 139,933,000 125,553,000 113,670,000 115,941,000 142,269,000 142,269,000 151,842,000 138,662,000 124,423,000 124,423,000 111,996,000 125,771,000 125,771,000 148,657,000 148,657,000 179,328,000 179,328,000 155,953,000 155,953,000 135,870,000 135,870,000 139,112,000 139,112,000 151,290,000 151,290,000 162,522,000 162,522,000 155,420,000 149,233,000 149,233,000 135,546,000 135,546,000 129,959,000 129,959,000 159,407,000 159,407,000 134,931,000 134,353,000 134,353,000 113,546,000 113,546,000 125,770,000 124,066,000 124,066,000 115,922,000 106,350,000 134,266,000 115,916,000 88,079,000  53,720,000  160,269,000 171,218,000 120,407,000 121,459,000 106,829,000 120,407,000 120,407,000 106,829,000 106,829,000 105,801,000 98,015,000 98,015,000 85,489,000 105,801,000 5,803,000 
        income taxes payable
      15,283,000 15,283,000 17,359,000 17,359,000 12,785,000 12,785,000 9,514,000 9,514,000 2,324,000 2,324,000 8,669,000 8,669,000 11,071,000 11,071,000 15,309,000 15,309,000 19,061,000 19,061,000 18,894,000 18,894,000 72,880,000 72,880,000 69,383,000 69,383,000 66,517,000 66,517,000 71,112,000 71,112,000 123,295,000 123,295,000 96,552,000 96,552,000 61,217,000 61,217,000 39,587,000 39,587,000 32,033,000 32,033,000 13,466,000 13,466,000   1,839,000 1,872,000 4,920,000 6,798,000  8,633,000 7,778,000 15,632,000 14,155,000 14,155,000 11,695,000 14,775,000 12,139,000 12,139,000 13,517,000 13,937,000 13,937,000 22,187,000 22,187,000 19,050,000 19,050,000 16,196,000 16,196,000 14,852,000 14,852,000 19,180,000 19,180,000 16,932,000  15,671,000 15,671,000 14,293,000 11,867,000 11,867,000 9,766,000  8,687,000 8,687,000 12,753,000 12,753,000 7,786,000 3,644,000  2,842,000 2,842,000 5,264,000 9,182,000 9,182,000 6,560,000 11,681,000 7,661,000 16,495,000                    
        other payable to related parties
        47,000 47,000       102,000 102,000 92,000 92,000 110,000 110,000 1,937,000 1,937,000 2,266,000 2,266,000 2,854,000 2,854,000 2,568,000 2,568,000 2,385,000 2,385,000 2,167,000 2,167,000 2,041,000 2,041,000 1,641,000 1,641,000 3,002,000 3,002,000 2,804,000 2,804,000 2,497,000 2,497,000 2,572,000 2,572,000                                                                          
        contract liabilities-current
      2,231,000 2,231,000 4,563,000 4,563,000 5,176,000 5,176,000 10,622,000 10,622,000 25,694,000 25,694,000 34,266,000 34,266,000 14,739,000 14,739,000 17,751,000 17,751,000 16,774,000 16,774,000 19,913,000 19,913,000 29,010,000 29,010,000 49,167,000 49,167,000 34,481,000 34,481,000 36,152,000 36,152,000 39,154,000 39,154,000 37,663,000 37,663,000                                                                                  
        other current liabilities
      54,768,000 54,768,000 122,678,000 122,678,000 50,443,000 50,443,000 63,595,000 63,595,000 54,673,000 54,673,000 112,831,000 112,831,000 116,558,000 116,558,000 109,291,000 109,291,000 89,342,000 89,342,000 176,379,000 176,379,000 81,941,000 81,941,000 75,535,000 75,535,000 65,943,000 65,943,000 286,606,000 286,606,000 69,907,000 69,907,000 59,544,000 59,544,000 43,625,000 43,625,000 88,506,000 88,506,000 43,331,000 43,331,000 46,111,000 46,111,000   37,799,000 58,113,000 44,701,000                                                                     
        total current liabilities
      775,820,000 775,820,000 798,419,000 798,419,000 684,316,000 684,316,000 706,634,000 706,634,000 713,775,000 713,775,000 763,470,000 763,470,000 718,694,000 718,694,000 708,803,000 708,803,000 695,947,000 695,947,000 720,693,000 720,693,000 697,662,000 697,662,000 693,995,000 693,995,000 736,597,000 736,597,000 796,741,000 796,741,000 647,505,000 647,505,000 601,225,000 601,225,000 510,592,000 510,592,000 457,952,000 457,952,000 387,048,000 387,048,000 352,242,000 352,242,000 380,890,000 391,155,000 352,512,000 343,050,000 338,411,000 337,199,000 337,199,000 320,211,000 299,510,000 268,195,000 324,746,000 324,746,000 356,406,000 366,517,000 352,730,000 352,730,000 341,328,000 348,862,000 348,862,000 328,521,000 328,521,000 355,405,000 355,405,000 336,164,000 336,164,000 328,671,000 328,671,000 289,196,000 289,196,000 303,833,000 303,833,000 318,503,000 318,503,000 312,379,000 259,826,000 259,826,000 242,037,000 242,117,000 234,334,000 234,334,000 266,242,000 266,242,000 248,464,000 245,360,000 245,360,000 225,926,000 225,926,000 235,222,000 216,185,000 216,185,000 203,087,000 182,072,000 205,528,000 148,428,000 120,761,000  91,630,000  223,050,000 194,574,000 153,279,000 150,792,000 134,641,000 156,066,000 153,279,000 134,641,000 134,641,000 160,784,000 122,858,000 122,858,000 152,148,000 160,784,000 11,750,000 
        long-term unsecured borrowings
      24,000,000 24,000,000 25,500,000 25,500,000 27,000,000 27,000,000 28,500,000 28,500,000 30,000,000 30,000,000 31,500,000 31,500,000 33,000,000 33,000,000 34,500,000 34,500,000 36,000,000 36,000,000 37,500,000 37,500,000 39,000,000 39,000,000 40,500,000 40,500,000 42,000,000 42,000,000 43,500,000 43,500,000 45,000,000 45,000,000 46,500,000 46,500,000 48,000,000 48,000,000 49,500,000 49,500,000 51,000,000 51,000,000 52,500,000 52,500,000                                                                          
        deferred tax liabilities
      608,000 608,000 631,000 631,000 557,000 557,000 564,000 564,000 505,000 505,000 493,000 493,000 499,000 499,000 520,000 520,000 658,000 658,000 682,000 682,000 697,000 697,000 691,000 691,000 754,000 754,000 830,000 830,000 894,000 894,000 965,000 965,000 947,000 947,000 1,011,000 1,011,000 1,073,000 1,073,000 1,138,000 1,138,000   2,692,000 2,795,000 106,000                                                                     
        other non-current liabilities
      11,594,000 11,594,000 12,297,000 12,297,000 7,489,000 7,489,000 7,496,000 7,496,000 11,361,000 11,361,000 15,060,000 15,060,000 14,823,000 14,823,000 35,879,000 35,879,000 47,454,000 47,454,000 53,001,000 53,001,000 67,466,000 67,466,000 72,751,000 72,751,000 90,672,000 90,672,000 96,271,000 96,271,000 74,968,000 74,968,000 72,301,000 72,301,000 37,098,000 37,098,000 32,513,000 32,513,000 30,012,000 30,012,000 18,692,000 18,692,000   2,760,000 2,888,000 3,672,000                                                                     
        total liabilities
      812,022,000 812,022,000 836,847,000 836,847,000 719,362,000 719,362,000 743,194,000 743,194,000 755,641,000 755,641,000 810,523,000 810,523,000 767,016,000 767,016,000 779,702,000 779,702,000 780,059,000 780,059,000 811,922,000 811,922,000 804,871,000 804,871,000 807,937,000 807,937,000 882,379,000 882,379,000 949,698,000 949,698,000 780,423,000 780,423,000 731,212,000 731,212,000 596,685,000 596,685,000 541,024,000 541,024,000 469,180,000 469,180,000 424,619,000 424,619,000 387,237,000 394,391,000 359,087,000 349,858,000 343,367,000 343,486,000 343,486,000 323,356,000 302,701,000 271,875,000 327,827,000 327,827,000 360,189,000 371,164,000 357,340,000 357,340,000 345,735,000 353,316,000 353,316,000 334,067,000 334,067,000 361,041,000 361,041,000 339,062,000 339,062,000 331,584,000 331,584,000 292,095,000 292,095,000 307,112,000 307,112,000 321,349,000 321,349,000 315,391,000 262,960,000 262,960,000 248,782,000 246,440,000 238,194,000 238,194,000 271,260,000 271,260,000 253,576,000 249,920,000 249,920,000 230,511,000 230,511,000 240,983,000 222,971,000 222,971,000 210,514,000 186,586,000 210,170,000 154,033,000 126,374,000  95,542,000  223,246,000 194,770,000 153,471,000   156,257,000 153,471,000   160,784,000    160,784,000 11,975,000 
        equity
                                                                                                                       
        ordinary shares
      107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000 107,010,000  107,010,000                        107,010,000       107,010,000       107,010,000            19,000               18,000  
        additional paid-in capital
      116,215,000 116,215,000 115,853,000 115,853,000 115,722,000 115,722,000 115,376,000 115,376,000 115,285,000 115,285,000 115,336,000 115,336,000 114,982,000 114,982,000 114,648,000 114,648,000 114,097,000 114,097,000 113,761,000 113,761,000 113,060,000 113,060,000 112,249,000 112,249,000 111,404,000 111,404,000 111,370,000 111,370,000 110,347,000 110,347,000 108,841,000 108,841,000 108,108,000 108,108,000 108,180,000 108,180,000 107,743,000 107,743,000 107,293,000 107,293,000   106,781,000 106,644,000 104,533,000 107,400,000  107,140,000 106,837,000 106,591,000 106,350,000 106,350,000 105,881,000 105,618,000 105,355,000 105,355,000 107,238,000 108,808,000 108,808,000 108,357,000 108,357,000 107,808,000 107,808,000 107,278,000 107,278,000 107,439,000 107,439,000 106,997,000 106,997,000 106,636,000  105,321,000 105,321,000 104,778,000 104,320,000 104,320,000 104,776,000  104,700,000 104,700,000 104,580,000 104,580,000 103,971,000 100,775,000  99,432,000 99,432,000 101,422,000 100,824,000 100,824,000 100,291,000 99,154,000 101,623,000 102,123,000 183,839,000    260,980,000 259,189,000 221,666,000 257,678,000 260,031,000 221,666,000 221,666,000 260,031,000 260,031,000  247,653,000 247,653,000 99,570,000   
        treasury shares
      -9,130,000 -9,130,000 -9,431,000 -9,431,000 -5,546,000 -5,546,000 -5,546,000 -5,546,000 -4,714,000 -4,714,000 -5,157,000 -5,157,000 -5,157,000 -5,157,000 -5,157,000 -5,157,000 -5,157,000 -5,157,000 -5,594,000 -5,594,000 -5,594,000 -5,594,000 -5,594,000 -5,594,000 -5,594,000 -5,594,000 -5,761,000 -5,761,000 -5,761,000 -5,761,000 -5,761,000 -5,761,000 -5,761,000 -5,761,000 -5,788,000 -5,788,000 -5,820,000 -5,820,000 -6,516,000 -6,516,000 -8,764,000 -8,819,000 -8,819,000 -8,878,000 -8,878,000                                                                     
        accumulated other comprehensive income
      23,757,000 23,757,000 14,666,000 14,666,000 7,874,000 7,874,000 8,621,000 8,621,000 3,507,000 3,507,000 8,688,000 8,688,000 -94,000 -94,000 -180,000 -180,000 -715,000 -715,000 -617,000 -617,000 -84,000 -84,000 -218,000 -218,000 -2,247,000 -2,247,000 -1,453,000 -1,453,000 -777,000 -777,000 -666,000 -666,000 -822,000 -822,000 -545,000 -545,000 -694,000 -694,000 -548,000 -548,000   -1,820,000 -1,497,000                               -184,000 -184,000 -137,000  -488,000 -488,000 137,000 137,000 276,000 166,000  663,000 663,000 971,000 994,000 994,000 1,204,000 454,000 -32,000 35,000 4,000      -275,000 -305,000 27,000  -275,000 27,000 27,000  13,000 13,000 37,000   
        retained earnings
      637,608,000 637,608,000 636,538,000 636,538,000 684,587,000 684,587,000 664,600,000 664,600,000 644,596,000 644,596,000 631,573,000 631,573,000 653,007,000 653,007,000 640,447,000 640,447,000 622,077,000 622,077,000 610,841,000 610,841,000 694,052,000 694,052,000 679,125,000 679,125,000 637,149,000 637,149,000 628,830,000 628,830,000 776,172,000 776,172,000 660,300,000 660,300,000 519,696,000 519,696,000 400,980,000 400,980,000 339,493,000 339,493,000 272,937,000 272,937,000   236,299,000 235,410,000 250,574,000                                                                     
        equity attributable to owners of himax technologies, inc.
      875,460,000 875,460,000 864,636,000 864,636,000 909,647,000 909,647,000 890,061,000 890,061,000 865,684,000 865,684,000 857,450,000 857,450,000 869,748,000 869,748,000 856,768,000 856,768,000 837,312,000 837,312,000 825,401,000 825,401,000 908,444,000 908,444,000 892,572,000 892,572,000 847,722,000 847,722,000 839,996,000 839,996,000 986,991,000 986,991,000 869,724,000 869,724,000 728,231,000 728,231,000 609,837,000 609,837,000 547,732,000 547,732,000 480,176,000 480,176,000   439,451,000 438,689,000 452,917,000                                                                     
        noncontrolling interests
      7,097,000 7,097,000 6,651,000 6,651,000 6,471,000 6,471,000 6,266,000 6,266,000 6,658,000 6,658,000 6,893,000 6,893,000 6,749,000 6,749,000 6,934,000 6,934,000 363,000 363,000 834,000 834,000 971,000 971,000 1,249,000 1,249,000 833,000 833,000 1,136,000 1,136,000 1,779,000 1,779,000 2,258,000 2,258,000 2,985,000 2,985,000 3,827,000 3,827,000 4,421,000 4,421,000 5,023,000 5,023,000   -3,656,000 -2,895,000 -2,226,000 -1,735,000  -1,025,000 -451,000 -96,000 418,000 418,000 1,684,000 2,191,000 2,637,000 2,637,000 -1,239,000 -6,507,000 -6,507,000 -5,336,000 -5,336,000 -4,327,000 -4,327,000 -3,829,000 -3,829,000 -3,041,000 -3,041,000 -1,547,000 -1,547,000 -1,265,000  2,371,000 2,371,000 -918,000 317,000 317,000 884,000  967,000 967,000 1,165,000 1,165,000 1,273,000 1,621,000  6,000 6,000 -70,000 333,000 333,000 1,098,000 2,122,000 3,042,000 3,874,000 4,619,000                   
        total equity
      882,557,000 882,557,000 871,287,000 871,287,000 916,118,000 916,118,000 896,327,000 896,327,000 872,342,000 872,342,000 864,343,000 864,343,000 876,497,000 876,497,000 863,702,000 863,702,000 837,675,000 837,675,000 826,235,000 826,235,000 909,415,000 909,415,000 893,821,000 893,821,000 848,555,000 848,555,000 841,132,000 841,132,000 988,770,000 988,770,000 871,982,000 871,982,000 731,216,000 731,216,000 613,664,000 613,664,000 552,153,000 552,153,000 485,199,000 485,199,000 431,244,000 442,287,000 435,795,000 435,794,000 450,691,000 454,913,000 454,913,000 431,496,000 427,647,000 469,506,000 468,151,000 468,151,000 451,423,000 454,571,000 441,341,000 441,341,000 436,211,000 437,208,000 437,208,000 480,407,000 480,407,000 468,297,000 468,297,000 452,496,000 452,496,000 441,376,000 441,376,000 464,293,000 464,293,000 448,559,000 448,559,000 435,390,000 435,390,000 417,890,000 441,654,000 441,654,000 428,265,000 428,158,000 414,245,000 414,245,000 404,129,000 404,129,000 400,489,000 395,058,000 395,058,000 390,296,000 390,296,000 391,807,000 409,257,000 409,257,000 406,976,000 394,460,000 396,723,000 430,950,000 424,072,000 419,453,000                  
        total liabilities and equity
      1,694,579,000 1,694,579,000 1,708,134,000 1,708,134,000 1,635,480,000 1,635,480,000 1,639,521,000 1,639,521,000 1,627,983,000 1,627,983,000 1,674,866,000 1,674,866,000 1,643,513,000 1,643,513,000 1,643,404,000 1,643,404,000 1,617,734,000 1,617,734,000 1,638,157,000 1,638,157,000 1,714,286,000 1,714,286,000 1,701,758,000 1,701,758,000 1,730,934,000 1,730,934,000 1,790,830,000 1,790,830,000 1,769,193,000 1,769,193,000 1,603,194,000 1,603,194,000 1,327,901,000 1,327,901,000 1,154,688,000 1,154,688,000 1,021,333,000 1,021,333,000 909,818,000 909,818,000   794,882,000 785,652,000 794,058,000                         759,327,000  756,739,000 756,739,000 733,281,000 704,614,000 704,614,000 677,047,000  652,439,000 652,439,000 675,389,000 675,389,000 654,065,000 644,978,000  620,807,000 620,807,000 632,790,000 632,228,000 632,228,000 617,490,000 581,046,000 606,893,000 584,983,000  576,149,000                  
        ​
             471,478,000        442,819,000        364,950,000        410,350,000                                                                                  
        contract liabilities-non-current
                        46,000 46,000 46,000 46,000   12,356,000 12,356,000 12,356,000 12,356,000 12,056,000 12,056,000 10,221,000 10,221,000                                                                                  
        accounts receivable from related parties
                                      20,000 20,000 4,000 4,000 29,000 29,000                                        73,258,000       79,833,000            104,477,000       116,096,000  71,530,000 71,530,000 69,688,000 66,434,000 66,434,000 71,540,000 69,587,000 4,786,000 
        accounts payable to related parties
                                      1,981,000 1,981,000 2,186,000 2,186,000 1,189,000 1,189,000 1,568,000 1,568,000                                                                          
        contract liabilities
                                      19,058,000 19,058,000 6,567,000 6,567,000 6,694,000 6,694,000 6,622,000 6,622,000                                                                          
        net defined benefit liabilities
                                      48,000 48,000 48,000 48,000 47,000 47,000 47,000 47,000   1,123,000 1,125,000 1,178,000                                                                     
        other receivable from related party
                                            1,200,000 1,200,000            7,150,000                                                              
        consolidated statements of financial position data:
                                                                                                                       
        short-term borrowings
                                                164,000,000 147,000,000 147,000,000                                                                     
        financial liability at amortized cost
                                                5,071,000 5,003,000 4,920,000                                                                     
        other payable to related party
                                                2,250,000 2,200,000 1,900,000 2,200,000  1,350,000                                                                  
        himax technologies, inc.
                                                                                                                       
        unaudited condensed consolidated statements of cash flows
                                                                                                                       
        cash flows from operating activities:
                                                                                                                       
        profit for the period
                                                120,000 1,396,000 -3,316,000                                                                     
        adjustments for:
                                                                                                                       
        depreciation and amortization
                                                5,180,000 5,180,000 5,098,000                                                                     
        bad debt expense
                                                 190,000                                                                      
        share-based compensation expenses
                                                205,000 93,000 91,000                                                                     
        losses on disposals of property, plant and equipment
                                                                                                                       
        gain on re-measurement of the pre-existing relationships in a business combination
                                                 -1,662,000                                                                      
        changes in fair value of financial assets at fair value through profit or loss
                                                44,000 25,000 -1,000                                                                     
        interest income
                                                -603,000 -672,000 -549,000                                                                     
        finance costs
                                                378,000 265,000 252,000                                                                     
        income tax expense
                                                26,000                                                                       
        share of losses (profit) of associates
                                                549,000                                                                       
        inventories write downs
                                                5,200,000 3,567,000 2,954,000                                                                     
        foreign currency exchange losses of financial assets
                                                167,000                                                                       
        changes in:
                                                                                                                       
        cash generated from operating activities
                                                2,412,000 -606,000 2,318,000                                                                     
        interest received
                                                265,000 1,014,000 166,000                                                                     
        interest paid
                                                -309,000 -182,000 -170,000                                                                     
        income tax paid
                                                -165,000 -3,032,000 -37,000                                                                     
        net cash from operating activities
                                                2,203,000 -2,806,000 2,277,000                                                                     
        cash flows from investing activities:
                                                                                                                       
        acquisitions of property, plant and equipment
                                                -8,159,000 -17,745,000 -18,550,000                                                                     
        proceeds from disposal of property, plant and equipment
                                                1,000                                                                       
        acquisitions of intangible assets
                                                -140,000 -109,000 -94,000                                                                     
        acquisitions of financial assets at amortized cost
                                                -997,000 -1,135,000 -1,897,000                                                                     
        proceeds from disposals of financial assets at amortized cost
                                                901,000 303,000                                                                      
        acquisitions of financial assets at fair value through profit or loss
                                                -6,858,000 -7,445,000 -4,330,000                                                                     
        proceeds from disposals of financial assets at fair value through profit or loss
                                                6,939,000 7,693,000                                                                      
        acquisition of a subsidiary, net of cash used
                                                 -3,301,000                                                                      
        proceeds from capital reduction of investment
                                                                                                                       
        decrease (increase) in refundable deposits
                                                4,000 6,000                                                                      
        releases (pledges) of restricted deposit
                                                1,000 21,000 -11,000                                                                     
        income tax benefit
                                                 306,000 -728,000                                                                     
        share of losses of associates
                                                 1,099,000 844,000                                                                     
        foreign currency exchange losses (gains) of financial assets
                                                 340,000                                                                      
        accounts payable to related party
                                                       1,098,000  576,000                                                              
        acquisition of business
                                                  -700,000                                                                     
        acquisition of equity method investments
                                                                                                                       
        accumulated other comprehensive loss
                                                  -322,000 -1,430,000  -1,748,000 -2,041,000 -2,207,000 -2,467,000 -2,467,000 -1,897,000 -1,553,000 -1,879,000 -1,879,000 -723,000 -258,000 -258,000 -311,000 -311,000 -316,000 -316,000 -460,000 -460,000 -406,000 -406,000 -471,000 -471,000 -412,000  -69,000 -69,000 -127,000                         -146,000 -198,000              
        gain on disposals of property, plant and equipment
                                                                                                                       
        foreign currency exchange gains of financial assets
                                                  -222,000                                                                     
        proceeds from disposal of financial assets at amortized cost
                                                  754,000                                                                     
        proceeds from disposal of financial assets at fair value through profit or loss
                                                  26,506,000                                                                     
        acquisitions of equity method investments
                                                                                                                       
        increase in refundable deposits
                                                  -1,000                                                                     
        investments in marketable securities available-for-sale
                                                   10,879,000  10,124,000 8,663,000 9,111,000 10,157,000 10,157,000 14,917,000 17,441,000 18,511,000 18,511,000 19,625,000 3,262,000 3,262,000 2,407,000 2,407,000 2,377,000 2,377,000 3,094,000 3,094,000 3,133,000 3,133,000 784,000 784,000 788,000  789,000 789,000 167,000 168,000 168,000 172,000  171,000 171,000 167,000 167,000  165,000  164,000 164,000 174,000 6,834,000 6,834,000 8,632,000 2,470,000 3,900,000 5,198,000                    
        accounts receivables
                                                   187,571,000  181,731,000 163,243,000 167,681,000 190,998,000 190,998,000 187,925,000 173,025,000 177,198,000 177,198,000 167,975,000 182,304,000 182,304,000 192,715,000 192,715,000 219,368,000 219,368,000 218,765,000 218,765,000 199,003,000 199,003,000 204,472,000 204,472,000 200,725,000  202,201,000 202,201,000 219,243,000 136,647,000 136,647,000 135,747,000  136,284,000 136,284,000 129,045,000 129,045,000 103,089,000 101,280,000  94,283,000 94,283,000 92,362,000 83,098,000 83,098,000 80,212,000 84,803,000 97,499,000 71,354,000 64,496,000    101,467,000 116,812,000  108,147,000 101,660,000  112,767,000         
        deferred income taxes
                                                   7,688,000  6,841,000 6,671,000 6,597,000 5,065,000 5,065,000 3,361,000 3,372,000 3,306,000 3,306,000 4,216,000 4,977,000 4,977,000 6,724,000 6,724,000 7,740,000 7,740,000 7,385,000 7,385,000 8,364,000 8,364,000 8,965,000 8,965,000 9,974,000  11,142,000 11,142,000 12,282,000 13,662,000 13,662,000 15,294,000  16,760,000 16,760,000 16,432,000 16,432,000 16,638,000 16,217,000  11,461,000 11,461,000 12,148,000 11,871,000 11,871,000 4,348,000 17,900,000 15,873,000 17,590,000 17,472,000    6,829,000 6,829,000 6,744,000 7,401,000 11,202,000 6,721,000 6,744,000 11,202,000 11,202,000  11,331,000 11,331,000 9,645,000   
        restricted cash, cash equivalents and marketable securities
                                                   147,000,000  147,202,000 107,201,000 107,414,000 138,200,000 138,200,000 138,000,000 180,451,000  180,442,000       130,179,000                                                   
        other receivables from related parties
                                                   3,250,000     7,150,000                                                               
        prepaid expenses and other current assets
                                                   39,495,000  18,487,000 12,329,000 14,794,000 17,195,000 17,195,000 20,356,000 19,343,000 17,175,000 17,175,000 23,520,000 18,860,000 18,860,000 19,106,000 19,106,000 18,341,000 18,341,000 14,568,000 14,568,000 12,275,000 12,275,000 13,721,000 13,721,000 15,052,000  14,428,000 14,428,000 16,333,000 13,047,000 13,047,000 13,029,000  15,012,000 15,012,000 15,108,000 15,108,000 15,535,000 14,865,000  14,351,000 14,351,000 16,607,000 16,136,000 16,136,000 15,810,000 11,749,000 12,657,000 13,753,000 14,216,000    12,903,000 10,113,000 10,324,000 10,276,000 18,655,000 10,404,000 10,324,000 20,622,000 20,622,000  16,142,000 16,142,000 10,328,000   
        investment in non-marketable equity securities
                                                   3,122,000  12,110,000 12,242,000 12,242,000 12,242,000 12,242,000 10,780,000 11,211,000 11,211,000 11,211,000       11,211,000                                                   
        restricted marketable securities
                                                   470,000  463,000 460,000 132,000 124,000 124,000 124,000   121,000       158,000                                                   
        other assets
                                                   1,628,000  1,492,000 1,478,000 1,778,000 1,411,000 1,411,000 1,517,000 2,036,000 2,012,000 1,891,000 2,142,000 2,304,000 2,304,000 1,948,000 1,948,000 1,938,000 1,780,000 1,763,000 1,763,000 1,657,000 1,657,000 1,503,000 1,503,000 1,508,000  4,498,000 4,498,000 4,433,000 1,310,000 1,310,000 2,445,000  2,427,000 2,427,000 2,434,000 2,434,000 2,371,000 2,185,000  1,545,000 1,545,000 1,943,000 2,043,000 2,043,000 1,391,000 2,460,000 2,440,000 2,541,000 2,722,000                   
        liabilities, redeemable noncontrolling interest and equity
                                                                                                                       
        short-term debt
                                                   147,000,000  147,000,000 107,000,000 107,000,000 138,000,000 138,000,000 138,000,000 180,000,000 180,000,000 180,000,000       130,000,000            73,000,000 73,000,000 73,000,000  73,000,000 73,000,000 63,000,000 63,000,000 84,200,000 84,200,000  84,200,000 84,200,000 57,000,000 57,000,000 57,000,000 57,000,000 44,000,000                27,274,000   38,577,000   
        other accrued expenses and other current liabilities
                                                   41,268,000  37,675,000 71,062,000 28,524,000 29,721,000 29,721,000 54,729,000 32,939,000 36,030,000 36,030,000 35,781,000 79,154,000 79,154,000 27,677,000 27,677,000 27,027,000 26,992,000 26,515,000 26,515,000 72,449,000 72,449,000 25,404,000 25,404,000 30,111,000  25,310,000 25,310,000 69,666,000 25,726,000 25,726,000 23,725,000  22,688,000 22,688,000 31,082,000 31,082,000 21,547,000 23,163,000  25,253,000 25,253,000 47,088,000 25,843,000 25,843,000 23,605,000 20,041,000 19,413,000 16,017,000 18,425,000    15,738,000 16,023,000 21,206,000 17,183,000 16,029,000  21,206,000         
        other liabilities
                                                   6,287,000  3,145,000 3,191,000 3,680,000 3,081,000 1,438,000 3,783,000 4,647,000 4,610,000 2,276,000 4,407,000 4,454,000 4,454,000 5,546,000 5,546,000 5,636,000 4,530,000 2,898,000 2,898,000 2,913,000 2,913,000 2,899,000 2,899,000 3,279,000  2,846,000 2,846,000 3,012,000 3,134,000 3,134,000 6,745,000  3,860,000 3,860,000 5,018,000 5,018,000 5,112,000 4,560,000  4,585,000 4,585,000 5,761,000 6,786,000 6,786,000 7,427,000 4,514,000 4,642,000 5,605,000 5,613,000         191,000          
        redeemable noncontrolling interest
                                                   3,656,000 3,656,000 3,656,000 3,656,000 3,656,000 3,656,000 3,656,000 3,656,000 3,656,000 3,656,000 3,656,000 3,656,000 3,656,000 3,656,000   3,656,000 3,656,000 3,656,000 3,656,000 3,656,000 3,656,000 3,656,000 3,656,000  3,656,000                                           
        himax technologies, inc. stockholders’ equity:
                                                                                                                       
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued; and 344,207,492 shares, 344,207,492 shares and 344,007,418 shares outstanding at december 31, 2017, september 30, 2017 and december 31, 2016, respectively
                                                   107,010,000                                                                    
        treasury shares, at cost, 12,491,990 shares, 12,491,990 shares and 12,692,064 shares at december 31, 2017, september 30, 2017 and december 31, 2016, respectively
                                                   -8,878,000                                                                    
        unappropriated retained earnings
                                                   252,546,000  228,997,000 225,312,000 267,228,000 265,860,000 265,860,000 247,902,000 250,462,000 237,375,000 237,375,000 233,082,000 238,299,000 238,299,000 280,831,000 280,831,000 268,266,000 268,266,000 252,641,000 252,641,000 241,494,000 241,494,000 263,424,000 263,424,000 247,710,000  231,886,000 231,886,000 219,616,000 242,660,000 242,660,000 228,201,000  213,861,000 213,861,000 203,450,000 203,450,000 199,025,000 187,712,000  183,995,000 183,995,000 183,350,000 200,953,000 200,953,000 198,230,000 186,577,000 186,039,000 218,259,000 128,206,000      142,517,000    142,517,000         
        himax technologies, inc. stockholders’ equity
                                                   456,648,000  432,521,000 428,098,000 469,602,000 467,733,000  449,739,000 452,380,000                                                            
        total liabilities, redeemable noncontrolling interest and equity
                                                   802,055,000  758,508,000 734,004,000 745,037,000 799,634,000 799,634,000 815,268,000 829,391,000 802,337,000 802,337,000 785,602,000      832,994,000   776,616,000 776,616,000                                               
        consolidated balance sheet data:
                                                                                                                       
        treasury shares, at cost
                                                    -8,878,000     -9,020,000    -9,157,000  -10,144,000 -10,144,000    -10,144,000   -11,120,000 -11,120,000       -12,469,000 -12,469,000 -12,469,000 -12,469,000  -11,805,000 -11,805,000 -12,213,000 -12,213,000 -11,066,000                               
        other receivables from related party
                                                     4,150,000 4,150,000 5,650,000                                                                
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued; and 344,207,492 shares, 344,007,418 shares and 344,007,418 shares outstanding at september 30, 2017, jun 30, 2017 and september 30, 2016, respectively
                                                     107,010,000                                                                  
        treasury shares, at cost, 12,491,990 shares, 12,692,064 shares and 12,692,064 shares at september 30, 2017, jun 30, 2017 and september 30, 2016, respectively
                                                     -8,878,000                                                                  
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued; and 344,007,418 shares, 344,007,418 shares and 343,815,424 shares outstanding at june 30, 2017, march 31, 2017 and june 30, 2016, respectively
                                                      107,010,000                                                                 
        treasury shares, at cost, 12,692,064 shares, 12,692,064 shares and 12,884,058 shares at june 30, 2017, march 31, 2017 and june 30, 2016, respectively
                                                      -9,020,000                                                                 
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued; and 344,007,418 shares, 344,007,418 shares and 343,815,424 shares outstanding at march 31, 2017, december 31, 2016 and march 31, 2016, respectively
                                                       107,010,000                                                                
        treasury shares, at cost, 12,692,064 shares, 12,692,064 shares and 12,884,058 shares at march 31, 2017, december 31, 2016 and march 31, 2016, respectively
                                                       -9,020,000                                                                
        accounts payable from related parties
                                                        576,000                                                               
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued; and 344,007,418 shares, 344,007,418 shares and 343,815,424 shares outstanding at december 31, 2016, september 30, 2016 and december 31, 2015, respectively
                                                        107,010,000                                                               
        treasury shares, at cost, 12,692,064 shares, 12,692,064 shares and 12,884,058 shares at december 31, 2016, september 30, 2016 and december 31, 2015, respectively
                                                        -9,020,000                                                               
        accrued pension liabilities
                                                         1,064,000    1,063,000       224,000                                      192,000    192,000         
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued; and 343,815,424 shares and 344,007,418 shares outstanding at december 31, 2015 and 2016, respectively
                                                         107,010,000                                                              
        total himax technologies, inc. stockholders’ equity
                                                         467,733,000    438,704,000       472,624,000                                                   
        commitments and contingencies
                                                                                                                       
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued; and 343,815,424 shares, 343,815,424 shares and 342,425,144 shares outstanding at june 30, 2016, march 31, 2016 and june 30, 2015, respectively
                                                          107,010,000                                                             
        treasury shares, at cost, 12,884,058 shares, 12,884,058 shares and 14,274,338 shares at june 30, 2016, march 31, 2016 and june 30, 2015, respectively
                                                          -9,157,000                                                             
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued; and 343,815,424 shares, 343,815,424 shares and 342,425,144 shares outstanding at march 31, 2016, december 31, 2015 and march 31, 2015, respectively
                                                           107,010,000                                                            
        treasury shares, at cost, 12,884,058 shares, 12,884,058 shares and 14,274,338 shares at march 31, 2016, december 31, 2015 and march 31, 2015, respectively
                                                           -9,157,000                                                            
        restricted cash and marketable securities
                                                            180,442,000                                                           
        himax stockholders’ equity:
                                                                                                                       
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued and 343,815,424 shares, 343,815,424 shares and 342,425,144 shares outstanding at december 31, 2015, september 30, 2015 and december 31, 2014, respectively
                                                            107,010,000                                                           
        treasury shares, at cost, 12,884,058 shares, 12,884,058 shares and 14,274,338 shares at december 31, 2015, september 30, 2015 and december 31, 2014, respectively
                                                            -9,157,000                                                           
        himax stockholders’ equity
                                                            438,704,000                                                           
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued; and 342,425,144 shares and 343,815,424 shares outstanding at december 31, 2014 and 2015, respectively
                                                             107,010,000                                                          
        restricted cash and cash equivalents
                                                              180,442,000 130,000,000 130,000,000 130,180,000 130,180,000 130,179,000  140,526,000 140,526,000 108,393,000 108,393,000 108,336,000 108,336,000 108,399,000  115,000,000 115,000,000 74,100,000 74,100,000 74,100,000 73,000,000  73,000,000 73,000,000 63,000,000 63,000,000 84,200,000 84,200,000  84,700,000 84,700,000 57,500,000 57,500,000 57,500,000                        
        investment securities
                                                              11,211,000 11,211,000 11,211,000 11,211,000 11,211,000 11,211,000  12,688,000 12,688,000 12,688,000 12,688,000 16,688,000 16,688,000 21,877,000  17,877,000 17,877,000 17,877,000                                        
        short-term debts
                                                              180,000,000 130,000,000 130,000,000 130,000,000 130,000,000 130,000,000  137,500,000 137,500,000 105,500,000 105,500,000 105,500,000 105,500,000 105,500,000  115,000,000 115,000,000 73,000,000                                        
        himax stockholders' equity:
                                                                                                                       
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized;356,699,482 shares issued and 343,815,424 shares, 342,425,144 shares and 342,425,144 shares outstanding at september 30, 2015, june 30, 2015, and december 31, 2014, respectively
                                                              107,010,000                                                         
        treasury shares, at cost, 12,884,058 shares, 14,274,338 shares and 14,274,338 shares at september 30, 2015, june 30, 2015, and december 31, 2014, respectively
                                                              -9,157,000                                                         
        himax stockholders' equity
                                                              437,450,000 443,715,000 443,715,000 485,743,000 485,743,000 472,624,000  456,325,000 456,325,000 444,417,000 444,417,000 465,840,000 465,840,000 449,824,000  433,019,000 433,019,000 418,808,000 441,337,000 441,337,000 427,381,000  413,278,000 413,278,000 402,964,000 402,964,000 399,216,000 393,437,000  390,290,000 390,290,000 391,877,000 408,924,000 408,924,000 405,878,000 392,338,000 393,681,000 427,076,000 419,453,000                   
        liabilities, redeemable noncontrolling interest and
                                                                                                                       
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued and 342,425,144 shares outstanding
                                                               107,010,000 107,010,000                                                       
        total liabilities, redeemable noncontrolling
                                                               794,180,000 794,180,000 818,130,000 818,130,000 832,994,000  795,214,000 795,214,000   760,044,000 760,044,000                                             
        interest and equity
                                                                                                                       
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued and 342,425,144 shares, 342,425,144 shares, 341,049,418 shares outstanding at march 31, 2015, december 31, 2014, and march 31, 2014, respectively
                                                                 107,010,000 107,010,000                                                     
        treasury shares, at cost, 14,274,338 shares, 14,274,338 shares and 15,650,064 shares at march 31, 2015, december 31, 2014, and march 31, 2014, respectively
                                                                 -10,144,000 -10,144,000                                                     
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued and 342,425,144 shares, 342,425,144 shares, 341,049,418 shares outstanding at december 31, 2014, september 30, 2014, and december 31, 2013, respectively
                                                                   107,010,000                                                    
        treasury shares, at cost, 14,274,338 shares, 14,274,338 shares and 15,650,064 shares at december 31, 2014, september 30, 2014, and december 31, 2013, respectively
                                                                   -10,144,000                                                    
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued; and 341,049,418 shares and 342,425,144 shares outstanding at december 31, 2013 and 2014, respectively
                                                                    107,010,000                                                   
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued and 342,425,144 shares, 341,049,418 shares, 341,049,418 shares outstanding at september 30, 2014, june 30, 2014, and december 31, 2013, respectively
                                                                     107,010,000 107,010,000                                                 
        treasury shares, at cost, 14,274,338 shares, 15,650,064 shares and 15,650,064 shares at september 30, 2014, june 30, 2014, and december 31, 2013, respectively
                                                                     -10,144,000 -10,144,000                                                 
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued and 341,049,418 shares outstanding
                                                                       107,010,000 107,010,000                                               
        accounts receivable from related parties, less allowance for sales returns and discounts
                                                                                53,286,000 53,286,000 73,258,000  82,019,000 82,019,000 83,832,000 83,832,000  79,833,000  80,421,000 80,421,000 86,947,000 83,690,000 83,690,000 95,964,000  118,746,000  138,172,000        71,530,000           
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued and 341,049,418 shares, 341,049,418 shares, 339,149,508 shares outstanding at march 31, 2014, december 31, 2013, and march 31, 2013, respectively
                                                                         107,010,000 107,010,000                                             
        treasury shares, at cost, 15,650,064 shares, 15,650,064 shares and 17,549,974 shares at march 31, 2014, december 31, 2013, and march 31, 2013, respectively
                                                                         -11,120,000 -11,120,000                                             
        redeemable noncontrolling interests
                                                                           3,656,000                                            
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued and 341,049,418 shares, 341,049,418 shares, 339,149,508 shares outstanding at december 31, 2013, september 30, 2013, and december 31, 2012, respectively
                                                                           107,010,000                                            
        treasury shares, at cost, 15,650,064 shares, 15,650,064 shares and 17,549,974 shares at december 31, 2013, september 30, 2013, and december 31, 2012, respectively
                                                                           -11,120,000                                            
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued and 341,049,418 shares, 339,149,508 shares, 339,149,508 shares outstanding at september 30, 2013, june 30, 2013, and december 31, 2012, respectively
                                                                             107,010,000 107,010,000                                         
        treasury shares, at cost, 15,650,064 shares, 17,549,974 shares and 17,549,974 shares at september 30, 2013, june 30, 2013, and december 31, 2012, respectively
                                                                             -11,120,000 -11,120,000                                         
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued and 339,149,508 shares outstanding
                                                                               107,010,000                                        
        investment securities, including securities measured at fair value
                                                                                17,877,000 17,877,000 12,688,000  12,926,000 12,926,000 24,619,000 24,619,000  24,506,000  24,447,000 24,447,000 24,706,000 24,568,000 24,568,000 25,626,000 19,135,000                      
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued and 339,149,508, 339,149,508 and 340,255,988 outstanding at march 31, 2013, december 31, 2012, and march 31, 2012, respectively
                                                                                107,010,000 107,010,000                                      
        intangible assets
                                                                                  8,025,000  6,557,000 6,557,000 3,431,000 3,431,000 3,962,000 4,494,000  5,026,000 5,026,000 5,575,000 6,125,000 6,125,000 6,674,000 7,223,000 7,773,000 8,322,000 8,872,000    33,711,000 34,273,000 393,000 35,865,000 61,000 393,000 393,000 61,000 61,000  68,000 68,000 74,000   
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued and 339,149,508, 339,834,778 and 349,279,556 outstanding at december 31, 2012, september 30, 2012, and december 31, 2011, respectively
                                                                                  107,010,000                                     
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued and 339,834,778, 339,047,694 and 349,279,556 outstanding at september 30, 2012, june 30, 2012, and december 31, 2011, respectively
                                                                                    107,010,000 107,010,000                                  
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued and 339,047,694, 340,255,988 and 349,279,556 outstanding at june 30, 2012, march 31, 2012, and december 31, 2011, respectively
                                                                                      107,010,000 107,010,000                                
        investments in marketable securities available-for- sale
                                                                                        169,000                               
        accounts receivable from related parties, less allowance for sales returns and discounts
                                                                                        85,916,000                               
        investment securities, including securities measured at fair value
                                                                                        24,658,000                               
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares, 356,699,482 shares and 353,842,764 shares issued and 340,255,988, 349,279,556 and 353,842,764 outstanding at march 31, 2012, december 31, 2011, and march 31, 2011, respectively
                                                                                        107,010,000                               
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 349,279,556 shares, 353,999,418 shares, and 353,842,764 shares issued and outstanding at december 31, 2011, september 30, 2011, and december 31, 2010, respectively
                                                                                         104,784,000                              
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 353,999,418 shares, 353,781,070 shares, and 353,842,764 shares issued and outstanding at september 30, 2011, june 30, 2011, and december 31, 2010, respectively
                                                                                           106,200,000 106,200,000                           
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 353,781,070 shares, 353,842,764 shares, and 353,842,764 shares issued and outstanding at june 30, 2011, march 31, 2011, and december 31, 2010, respectively
                                                                                             106,134,000                          
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 353,842,764 shares, 353,842,764 shares, and 355,531,454 shares issued and outstanding at march 31, 2011, december 31, 2010, and march 31, 2010, respectively
                                                                                              106,153,000 106,153,000                        
        restricted cash equivalents
                                                                                                58,500,000 44,000,000       171,000               
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 353,842,764 shares, 353,842,764 shares, and 358,012,184 shares issued and outstanding at december 31, 2010, september 30, 2010, and december 31, 2009, respectively
                                                                                                106,153,000                       
        accounts receivable from related parties, less allowance for sales returns and discounts
                                                                                                 97,597,000                      
        dividend payable
                                                                                                  44,188,000                     
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 353,842,764 shares, 353,502,962 shares, and 358,012,184 shares issued and outstanding at september 30, 2010, june 30, 2010, and december 31, 2009, respectively
                                                                                                 106,153,000                      
        investments in non-marketable equity securities
                                                                                                  12,643,000 11,619,000                    
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 353,502,962 shares, 355,531,454 shares, and 358,012,184 shares issued and outstanding at june 30, 2010, march 31, 2010, and december 31, 2009, respectively
                                                                                                  106,051,000                     
        accounts receivable from related parties, less allowance for sales returns and discounts
                                                                                                   129,519,000                    
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 355,531,454 shares, 358,012,184 shares, and 374,606,372 shares issued and outstanding at march 31, 2010, december 31, 2009, and march 31, 2009, respectively
                                                                                                   106,659,000                    
        marketable securities available-for-sale
                                                                                                    10,730,000    16,109,000 13,327,000 8,828,000 12,783,000 4,072,000 8,828,000 8,828,000 4,072,000 4,072,000  1,930,000 1,930,000 3,150,000   
        equity-method investments
                                                                                                    586,000                   
        financial assets carried at cost
                                                                                                    11,619,000                   
        liabilities and stockholders' equity
                                                                                                                       
        income tax payable
                                                                                                    14,257,000    7,333,000 7,333,000 11,666,000 12,150,000 11,783,000 14,385,000 11,666,000 11,783,000 11,783,000  12,858,000 12,858,000 15,915,000   
        ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 358,012,184, 365,764,786, and 380,239,188 shares issued and outstanding at december 31, 2009, september 30, 2009, and december 31, 2008, respectively
                                                                                                    107,404,000                   
        total liabilities and stockholders' equity
                                                                                                    550,446,000                   
        cash
                                                                                                     77,000                  
        investment in non-marketable securities
                                                                                                     1,600,000  1,600,000                
        investments in subsidiaries
                                                                                                     572,574,000  430,700,000                
        current liabilities
                                                                                                     1,296,000                  
        debt borrowing from a subsidiary
                                                                                                     155,400,000                  
        total stockholders’ equity
                                                                                                      463,171,000 451,309,000 430,296,000 446,389,000  417,929,000 371,493,000 364,250,000  373,460,000 373,460,000 165,831,000 356,476,000 356,476,000 188,891,000 165,831,000 17,448,000 
        liabilities
                                                                                                       688,000      21,274,000  16,029,000 16,029,000  11,985,000 11,985,000 12,167,000   
        total liabilities and stockholder’s equity
                                                                                                       451,997,000                
        accounts receivable from related parties, less allowance for doubtful accounts, sales returns and discounts
                                                                                                        178,099,000 137,602,000  105,740,000            
        investments in non-marketable securities
                                                                                                        2,584,000 1,857,000 817,000 817,000 1,723,000 817,000 817,000 1,723,000 1,723,000  313,000 313,000 1,813,000   
        refundable deposits and prepaid pension costs
                                                                                                        612,000 593,000 569,000    569,000         
        liabilities, minority interest and stockholders’ equity
                                                                                                                       
        dividends payable
                                                                                                        39,710,000               
        accrued pension liability
                                                                                                        196,000 196,000              
        minority interest
                                                                                                        3,084,000 1,715,000 1,396,000 1,980,000 1,054,000 1,397,000 1,396,000 1,054,000 1,054,000  449,000 449,000 609,000   
        stockholders’ equity:
                                                                                                                       
        ordinary share, us0.0001 par value...
                                                                                                        20,000 20,000  20,000 19,000  19,000         
        unappropriated earnings
                                                                                                        169,442,000 187,378,000  160,536,000 111,416,000 142,772,000  113,383,000 113,383,000  108,791,000 108,791,000 89,266,000   
        total liabilities, minority interest and stockholders’ equity
                                                                                                        656,626,000 642,874,000  570,701,000 507,188,000           
        restricted cash equivalents and marketable securities
                                                                                                         171,000 108,000 106,000 31,000  108,000         
        sales returns and discounts of 80 and 464 at
                                                                                                                       
        december 31, 2005 and 2006, respectively
                                                                                                          112,767,000             
        accounts receivable from related parties, less allowance for
                                                                                                                       
        sales returns and discounts of 101 and 404 at
                                                                                                                       
        property, plant, and equipment
                                                                                                          38,895,000    38,895,000         
        current portion of long-term debt
                                                                                                                       
        182,088,880 and 193,600,302 shares issued and outstanding at
                                                                                                                       
        total stockholders equity
                                                                                                          363,927,000             
        total liabilities, minority interest and stockholders equity
                                                                                                          518,794,000             
        property and equipment
                                                                                                           45,767,000 34,946,000 41,918,000  34,946,000 34,946,000  29,128,000 29,128,000 25,943,000   
        restricted cash equivalents and marketable
                                                                                                                       
        securities
                                                                                                             108,000  31,000 31,000  395,000 395,000 14,558,000   
        returns and discounts
                                                                                                             113,521,000  101,660,000 101,660,000  86,907,000 86,907,000 73,178,000   
        liabilities, minority interest and
                                                                                                                       
        stockholders’ equity
                                                                                                             521,904,000  509,155,000 509,155,000       
        other accrued expenses and other current
                                                                                                                       
        500,000,000 shares authorized
                                                                                                             19,000  19,000 19,000  19,000 19,000 18,000   
        total liabilities, minority interest and
                                                                                                                       
        accounts receivable from related parties, less allowance for sales returns and discounts of 101 and 404 at december 31, 2005 and 2006, respectively.
                                                                                                              116,850,000         
        liabilities, minority interest and stockholders' equity
                                                                                                                       
        stockholders' equity:
                                                                                                                       
        total stockholders' equity
                                                                                                              363,927,000         
        total liabilities, minority interest and stockholders' equity
                                                                                                              518,794,000         
        liabilities and stockholders’ equity
                                                                                                                       
        total liabilities and stockholders’ equity
                                                                                                                  479,783,000 479,783,000 341,648,000   
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-11-06 2025-09-30 2025-08-07 2025-06-30 2025-03-31 2025-02-13 2024-11-07 2024-09-30 2024-08-08 2024-06-30 2024-03-31 2024-02-06 2023-11-09 2023-09-30 2023-08-10 2023-06-30 2023-05-11 2023-03-31 2023-02-09 2022-11-10 2022-09-30 2022-08-11 2022-06-30 2022-05-12 2022-03-31 2022-02-17 2021-11-04 2021-09-30 2021-08-05 2021-06-30 2021-05-06 2021-03-31 2021-02-04 2020-11-12 2020-09-30 2020-08-06 2020-06-30 2020-05-07 2020-03-31 2020-02-13 2019-11-07 2019-09-30 2019-08-08 2019-06-30 2019-05-09 2019-03-31 2019-02-19 2018-12-31 2018-11-08 2018-09-30 2018-08-09 2018-06-30 2018-05-10 2018-03-31 2018-02-13 2017-11-09 2017-09-30 2017-08-03 2017-06-30 2017-05-11 2017-03-31 2017-02-16 2016-12-31 2016-09-30 2016-08-11 2016-06-30 2016-05-12 2016-03-31 2016-02-04 2015-11-12 2015-08-07 2015-05-14 2015-02-12 2014-11-13 2014-08-07 2014-05-08 2014-02-13 2013-11-07 2013-08-15 2013-05-06 2013-03-31 2013-02-06 2012-11-07 2012-08-08 2012-05-08 2012-02-13 2011-11-08 2011-06-30 2011-05-09 2010-12-31 2010-09-30 2010-06-30 2010-05-05 2010-02-08 2007-11-02 2007-08-07 2007-05-10 2007-05-09 2007-03-31 2007-02-13 2006-11-07 2006-09-30 2006-08-10 2006-06-30 
                                                                                                                
          cash flows from operating activities:
                                                                                                                
          profit for the period
        1,349,000 1,349,000 17,010,000 17,010,000 20,182,000 25,031,000 12,755,000 12,755,000 29,707,000 29,707,000 12,277,000 23,285,000 10,752,000 10,752,000 729,000 729,000 14,655,000 14,655,000 41,998,000 8,008,000 8,008,000 70,174,000 70,174,000 115,287,000 115,287,000 141,472,000 117,850,000 117,850,000 108,318,000 108,318,000 66,295,000 66,295,000 33,346,000 8,060,000 8,060,000 944,000 944,000 2,810,000 2,810,000 565,000 -7,885,000 -7,885,000     7,826,000 7,826,000 120,000 120,000 1,396,000 1,396,000 -3,316,000 -3,316,000                                                   
          adjustments for:
                                                                                                                
          depreciation and amortization
        5,393,000 5,393,000 5,275,000 5,275,000 5,156,000 5,564,000 5,640,000 5,640,000 5,679,000 5,679,000 5,471,000 5,115,000 5,094,000 5,094,000 5,025,000 5,025,000 5,088,000 5,088,000 5,196,000 5,359,000 5,359,000 5,411,000 5,411,000 5,376,000 5,376,000 5,329,000 5,292,000 5,292,000 5,449,000 5,449,000 5,272,000 5,272,000 6,431,000 5,530,000 5,530,000 5,881,000 5,881,000 5,754,000 5,754,000 5,866,000 6,004,000 6,004,000 6,209,000 6,209,000 6,320,000 6,320,000 4,869,000 4,869,000 5,180,000 5,180,000 5,180,000 5,180,000 5,098,000 5,098,000 5,098,000 4,672,000 4,672,000 3,471,000 3,471,000 3,439,000 3,439,000 3,448,000 3,448,000 3,393,000 3,465,000 3,465,000 3,450,000 3,450,000 3,407,000 3,425,000 3,366,000 3,966,000 3,903,000 3,550,000 3,520,000 3,619,000 3,843,000 3,757,000 3,554,000 3,155,000 3,155,000 3,669,000 3,152,000 3,165,000 3,313,000 3,182,000 3,162,000 3,172,000 3,279,000 3,275,000 3,366,000 3,463,000 3,522,000 3,617,000 4,179,000 2,587,000 2,026,000 1,119,000 2,026,000 1,869,000 1,119,000 1,119,000 1,204,000 1,204,000 
          share-based compensation expenses
        343,000 343,000 147,000 147,000 100,000 103,000 407,000 407,000 379,000 379,000 358,000 346,000 789,000 789,000 723,000 723,000 805,000 805,000 1,094,000 662,000 662,000 729,000 729,000 611,000 611,000 603,000 97,000 97,000      251,000 251,000 168,000 168,000 344,000 344,000 326,000 92,000 92,000 20,000 20,000 19,000 19,000 19,000 19,000 205,000 205,000 93,000 93,000 91,000 91,000 143,000 446,000 446,000 255,000 255,000 254,000 254,000 254,000 254,000 378,000 277,000 277,000 277,000 277,000 277,000 472,000 534,000 535,000 534,000 695,000 350,000 350,000 356,000 578,000 450,000 456,000 456,000 458,000 451,000 510,000 517,000 269,000 1,600,000 1,159,000 1,162,000 1,071,000 1,555,000 1,842,000 1,843,000 1,776,000 1,284,000 1,533,000 1,519,000 11,456,000 1,519,000 1,493,000 11,456,000 11,456,000 1,063,000 1,063,000 
          changes in fair value of financial assets at fair value through profit or loss
          -274,000 -274,000 17,000  -27,000 -27,000 -98,000 -98,000 7,000 -1,710,000 432,000 432,000   -41,000 -41,000 -885,000 67,000 67,000   -21,000 -21,000 273,000   21,000 21,000 33,000 33,000    83,000 83,000 65,000 65,000 -3,740,000 1,000 1,000   17,000 17,000 -2,104,000 -2,104,000 44,000 44,000 25,000 25,000 -1,000 -1,000                                                   
          interest income
          -2,737,000 -2,737,000 -2,312,000  -2,297,000 -2,297,000 -3,044,000 -3,044,000  -1,934,000     -2,327,000 -2,327,000 -1,990,000 -1,387,000 -1,387,000   -381,000 -381,000 -283,000              -521,000 -416,000 -416,000     -605,000 -605,000     -549,000 -549,000                                                   
          finance costs
        879,000 879,000 870,000 870,000 903,000 964,000 1,018,000 1,018,000 1,014,000 1,014,000 1,018,000 1,140,000 1,482,000 1,482,000 1,717,000 1,717,000 1,741,000 1,741,000 1,332,000 843,000 843,000 328,000 328,000 280,000 280,000 285,000 269,000 269,000 260,000 260,000 260,000 260,000 247,000 314,000 314,000 551,000 551,000 593,000 593,000 670,000 634,000 634,000 545,000 545,000 476,000 476,000 337,000 337,000 378,000 378,000 265,000 265,000 252,000 252,000                                                   
          income tax expense
          5,054,000 5,054,000 3,841,000 761,000 -5,174,000 -5,174,000 1,978,000 1,978,000  -7,933,000 1,214,000 1,214,000   2,938,000 2,938,000 -2,818,000 -2,449,000 -2,449,000 16,271,000 16,271,000 30,094,000 30,094,000 36,625,000 30,379,000 30,379,000 24,954,000 24,954,000 18,699,000 18,699,000 8,759,000 1,124,000 1,124,000 365,000 365,000 1,464,000 1,464,000 416,000       1,390,000 1,390,000 26,000 26,000 306,000 306,000 -728,000 -728,000                                                   
          share of losses of associates
        1,037,000 1,037,000 588,000 588,000 742,000 360,000 143,000 143,000 107,000 107,000 221,000 14,000 220,000 220,000 175,000 175,000 189,000 189,000 170,000 164,000 164,000 202,000 202,000 207,000 207,000 652,000 282,000 282,000   274,000 274,000 368,000        135,000 135,000         1,099,000 1,099,000 844,000 844,000                                                   
          inventories write downs
        2,678,000 2,678,000 6,006,000 6,006,000 4,444,000 4,037,000 2,269,000 2,269,000 2,892,000 2,892,000 4,353,000 5,727,000 5,263,000 5,263,000 5,047,000 5,047,000 5,503,000 5,503,000 9,104,000 7,282,000 7,282,000 4,577,000 4,577,000 1,248,000 1,248,000 4,103,000 1,224,000 1,224,000 1,646,000 1,646,000 2,475,000 2,475,000 2,224,000 2,205,000 2,205,000 3,413,000 3,413,000 4,077,000 4,077,000 7,515,000 8,174,000 8,174,000 5,008,000 5,008,000 4,750,000 4,750,000 6,003,000 6,003,000 5,200,000 5,200,000 3,567,000 3,567,000 2,954,000 2,954,000 3,418,000 3,346,000 3,346,000 2,487,000 2,487,000 3,047,000 3,047,000 14,793,000 14,793,000 2,653,000 3,186,000 3,186,000 2,710,000 2,710,000 2,445,000 2,078,000 3,269,000 1,993,000 2,892,000 1,888,000 1,683,000 1,735,000 3,179,000 2,862,000 2,289,000 2,429,000 2,429,000 2,445,000 3,241,000 4,115,000 2,617,000 2,757,000 1,813,000 1,804,000 2,764,000 4,112,000 2,210,000 1,371,000 2,864,000 3,711,000 3,264,000 5,103,000 3,118,000  3,118,000      
          unrealized foreign currency exchange losses
          118,000 118,000 441,000  228,000 228,000 628,000 628,000  1,517,000     1,186,000 1,186,000 703,000 1,034,000 1,034,000      27,000 27,000 544,000 544,000    32,000 32,000   9,000 9,000 53,000                                                                 
          changes in:
                                                                                                                
          accounts receivable
        17,827,000 17,827,000 -1,483,000 -1,483,000 13,083,000  8,548,000 8,548,000 -37,688,000 -37,688,000 15,704,000 8,163,000   13,116,000 13,116,000 8,993,000 8,993,000 -10,057,000 117,749,000 117,749,000 71,217,000 71,217,000 -32,039,000 -32,039,000 -9,124,000              -7,704,000 18,905,000 18,905,000   12,862,000 12,862,000 -1,766,000 -1,766,000     22,171,000 22,171,000    4,482,000 4,482,000 23,349,000 23,349,000 16,615,000  -20,441,000   4,199,000 4,199,000  14,181,000 10,422,000 26,636,000 -1,149,000 -19,779,000 5,482,000 -3,765,000 1,503,000 17,060,000 -82,769,000 -900,000 -900,000 537,000 -7,239,000 -25,956,000 -1,809,000 -6,997,000 -1,921,000 -9,264,000 -2,886,000 4,591,000 12,696,000 -25,211,000 -6,858,000 12,110,000 15,850,000 -8,661,000 6,084,000 -14,772,000 6,084,000      
          inventories
          -10,712,000 -10,712,000 24,435,000 29,675,000 8,964,000 8,964,000 -4,711,000 -4,711,000 11,083,000 36,580,000 32,395,000 32,395,000 32,920,000 32,920,000 30,195,000 30,195,000 30,034,000 -80,041,000 -80,041,000   -55,703,000 -55,703,000 -41,756,000       16,418,000 33,544,000 33,544,000     16,292,000 12,780,000 12,780,000     -22,752,000 -22,752,000   2,318,000 2,318,000 -15,716,000 -15,716,000  14,222,000 14,222,000 -1,907,000 -1,907,000   4,841,000  169,382,000     3,875,000 9,800,000 -6,698,000 -22,031,000 -11,858,000 7,305,000 4,320,000 3,329,000 -20,964,000 -19,554,000 -6,881,000 -24,089,000 -24,089,000 9,222,000 7,579,000 -24,758,000 -8,147,000 -11,078,000 17,873,000 3,903,000 -14,833,000 -10,436,000 -34,613,000 -15,230,000 -498,000 33,809,000 -4,032,000 -10,868,000 -20,803,000 -7,369,000 -20,803,000 6,885,000     
          other receivable from related parties
          4,000 4,000 2,000 9,000 33,000 33,000 81,000 81,000  -29,000   3,000 3,000 50,000 50,000 6,000 152,000 152,000   3,000 3,000 -8,000   6,000 6,000                 60,000 60,000     -15,000 -15,000                                                   
          other current assets
          1,046,000 1,046,000 -978,000 2,502,000 -778,000 -778,000 -81,000 -81,000 2,298,000 -5,682,000 4,157,000 4,157,000   980,000 980,000 2,673,000 2,804,000 2,804,000 4,157,000 4,157,000 465,000 465,000 -2,083,000            708,000 708,000 2,631,000 2,649,000 2,649,000 782,000 782,000   -583,000 -583,000   1,205,000 1,205,000 -1,672,000 -1,672,000                                                   
          accounts payable
          37,390,000 37,390,000 -7,250,000  -26,101,000 -26,101,000 35,172,000 35,172,000 13,202,000 -627,000   10,207,000 10,207,000 16,192,000 16,192,000 -68,426,000 -51,323,000 -51,323,000   7,283,000 7,283,000 22,135,000 16,007,000 16,007,000 16,898,000 16,898,000 19,501,000 19,501,000 16,934,000   15,875,000 15,875,000 31,279,000 31,279,000 -505,000 -19,399,000 -19,399,000     8,947,000 8,947,000 12,691,000 12,691,000   -4,963,000 -4,963,000 14,380,000 11,883,000 11,883,000 -2,271,000 -2,271,000   459,000 459,000 141,810,000 13,180,000 13,180,000 14,240,000 14,240,000 12,427,000 -13,775,000 -22,886,000 -30,671,000 23,375,000 20,083,000 -3,242,000 -12,178,000 -11,232,000 7,102,000 6,187,000 13,687,000 13,687,000 5,586,000 -29,448,000 24,476,000 578,000 20,807,000 -12,224,000 1,704,000 8,144,000 9,572,000 -27,918,000 18,352,000 27,837,000 -62,060,000 -10,949,000 49,753,000 416,000 8,815,000 416,000 13,563,000 8,815,000 8,815,000 12,525,000 12,525,000 
          other payable to related parties
          47,000 47,000  1,000 -102,000 -102,000 11,000 11,000  363,000     286,000 286,000 182,000 219,000 219,000 126,000 126,000 400,000 400,000 -1,361,000 198,000 198,000 307,000 307,000   92,000                                                                        
          contract liabilities
        57,000 57,000 -613,000 -613,000 735,000 6,000 667,000 667,000 -1,820,000 -1,820,000 1,192,000 -958,000     -20,111,000 -20,111,000 2,330,000 -1,671,000 -1,671,000   3,326,000 3,326,000 28,826,000 12,491,000 12,491,000   72,000 72,000 3,848,000                                                                        
          other current liabilities
        3,214,000 3,214,000 3,441,000 3,441,000 -3,763,000 2,508,000 -4,161,000 -4,161,000 423,000 423,000  3,014,000   1,665,000 1,665,000 -1,288,000 -1,288,000 2,045,000 -424,000 -424,000 1,619,000 1,619,000 -1,409,000 -1,409,000 11,526,000 1,896,000 1,896,000 633,000 633,000   1,903,000 3,579,000 3,579,000 1,365,000 1,365,000   1,643,000 2,180,000 2,180,000     1,770,000 1,770,000   1,318,000 1,318,000 -1,629,000 -1,629,000                                                   
          other non-current liabilities
          71,000 71,000 71,000 71,000 -3,354,000 -3,354,000 509,000 509,000 514,000 393,000   2,351,000 2,351,000 2,351,000 2,351,000 2,315,000 -4,151,000 -4,151,000 5,805,000 5,805,000 3,000 3,000 -13,841,000 3,651,000 3,651,000   6,680,000 6,680,000 1,300,000 4,139,000 4,139,000     50,000 200,000 200,000     -491,000 -491,000   167,000 167,000 -7,000 -7,000                                                   
          cash generated from operating activities
        7,172,000 7,172,000 61,248,000 61,248,000 56,644,000 33,142,000 -1,322,000 -1,322,000 31,138,000 31,138,000 56,439,000 68,348,000 16,444,000 16,444,000 51,243,000 51,243,000 67,385,000 67,385,000 4,312,000 2,897,000 2,897,000 73,058,000 73,058,000 72,398,000 72,398,000 182,237,000 69,520,000 69,520,000 95,593,000 95,593,000 60,794,000 60,794,000 67,832,000 34,676,000 34,676,000   11,576,000 11,576,000 23,477,000 24,496,000 24,496,000     3,080,000 3,080,000 2,412,000 2,412,000   2,318,000 2,318,000                                                   
          interest received
        521,000 521,000 4,315,000 4,315,000 438,000 3,513,000 860,000 860,000 4,505,000 4,505,000 854,000 2,665,000 1,185,000 1,185,000 3,262,000 3,262,000 1,455,000 1,455,000 2,796,000 443,000 443,000 1,171,000 1,171,000 115,000 115,000 333,000 112,000 112,000 317,000 317,000 90,000 90,000 217,000 120,000 120,000 548,000 548,000 181,000 181,000 745,000 213,000 213,000 845,000 845,000 257,000 257,000 916,000 916,000 265,000 265,000 1,014,000 1,014,000 166,000 166,000                                                   
          interest paid
          -939,000 -939,000 -835,000  -1,018,000 -1,018,000 -1,014,000 -1,014,000  -1,140,000     -1,741,000 -1,741,000 -1,332,000 -843,000 -843,000   -280,000 -280,000 -275,000              -697,000 -639,000 -639,000     -216,000 -216,000     -170,000 -170,000                                                   
          income tax paid
          -4,150,000 -4,150,000 -200,000  -1,658,000 -1,658,000    -1,131,000     -738,000 -738,000 -310,000 -6,171,000 -6,171,000   -233,000 -233,000 -47,000              -84,000 -86,000 -86,000     -1,445,000 -1,445,000     -37,000 -37,000                                                   
          net cash from operating activities
        6,697,000 6,697,000 60,474,000 60,474,000 56,047,000 35,417,000 -3,138,000 -3,138,000 26,949,000 26,949,000 56,748,000 68,742,000 16,043,000 16,043,000 1,695,000 1,695,000 66,361,000 66,361,000 5,466,000 -3,674,000 -3,674,000 9,116,000 9,116,000 72,000,000 72,000,000 182,248,000 60,511,000 60,511,000 85,197,000 85,197,000 60,320,000 60,320,000 67,708,000  33,473,000   10,587,000 10,587,000 23,441,000 23,984,000 23,984,000     2,335,000 2,335,000 2,203,000 2,203,000    2,277,000   16,872,000  -1,235,000 5,460,000 5,460,000   2,860,000  13,092,000  21,505,000   -13,769,000 -3,711,000 38,680,000 22,849,000 22,885,000 9,305,000  27,434,000  29,394,000 29,394,000 52,444,000 -7,091,000 3,208,000   17,426,000  12,225,000 29,802,000 -20,271,000 2,294,000  16,629,000 -14,604,000 34,639,000 15,877,000 -3,084,000 15,877,000 2,830,000   15,272,000 15,272,000 
          capital expenditures
                    16,118,000  -13,292,000   -1,949,000  1,680,000  2,202,000   -2,019,000 -1,842,000 -2,383,000 -2,058,000 -3,781,000 -2,709,000  -3,752,000  -4,714,000 -4,714,000 -2,199,000 -1,746,000 -1,009,000   -7,128,000  -1,851,000 -1,831,000 -1,233,000 -1,720,000  -2,125,000 -2,500,000 -6,877,000 -6,483,000 -5,691,000 -6,483,000   
          free cash flows
        6,697,000 6,697,000 60,474,000 60,474,000 56,047,000 35,417,000 -3,138,000 -3,138,000 26,949,000 26,949,000 56,748,000 68,742,000 16,043,000 16,043,000 1,695,000 1,695,000 66,361,000 66,361,000 5,466,000 -3,674,000 -3,674,000 9,116,000 9,116,000 72,000,000 72,000,000 182,248,000 60,511,000 60,511,000 85,197,000 85,197,000 60,320,000 60,320,000 67,708,000  33,473,000   10,587,000 10,587,000 23,441,000 23,984,000 23,984,000     2,335,000 2,335,000 2,203,000 2,203,000    2,277,000   32,990,000  -14,527,000 5,460,000 5,460,000   911,000  14,772,000  23,707,000   -15,788,000 -5,553,000 36,297,000 20,791,000 19,104,000 6,596,000  23,682,000  24,680,000 24,680,000 50,245,000 -8,837,000 2,199,000   10,298,000  10,374,000 27,971,000 -21,504,000 574,000  14,504,000 -17,104,000 27,762,000 9,394,000 -8,775,000 9,394,000 2,830,000   15,272,000 15,272,000 
          cash flows from investing activities:
                                                                                                                
          acquisitions of property, plant and equipment
          -4,596,000 -4,596,000 -5,221,000  -2,551,000 -2,551,000 -4,582,000 -4,582,000  -15,052,000     -2,833,000 -2,833,000 -2,312,000 -3,402,000 -3,402,000   -3,586,000 -3,586,000 -2,020,000              -2,729,000 -31,222,000 -31,222,000     -5,218,000 -5,218,000     -18,550,000 -18,550,000                                                   
          acquisitions of intangible assets
            -52,000  -9,000 -9,000 -26,000 -26,000  -40,000     -11,000 -11,000 -162,000     -143,000 -143,000 -41,000              -38,000 -18,000 -18,000     -582,000 -582,000     -94,000 -94,000                                                   
          acquisitions of financial assets at amortized cost
          -3,517,000 -3,517,000   -1,500,000 -1,500,000 -5,011,000 -5,011,000  -4,573,000     -571,000 -571,000 -784,000 -720,000 -720,000   -6,125,000 -6,125,000 -10,341,000              -737,000 -959,000 -959,000     -737,000 -737,000     -1,897,000 -1,897,000                                                   
          proceeds from disposal of financial assets at amortized cost
        3,517,000 3,517,000 2,286,000 2,286,000 2,000,000 10,289,000 617,000 617,000 8,051,000 8,051,000 500,000 784,000 640,000 640,000 1,134,000 1,134,000 541,000 541,000 841,000 660,000 660,000 16,157,000 16,157,000 8,165,000 8,165,000 2,300,000 4,009,000 4,009,000 1,025,000 1,025,000 677,000 677,000 737,000 3,787,000 3,787,000 1,446,000 1,446,000 765,000 765,000 1,137,000             754,000 754,000                                                   
          acquisitions of financial assets at fair value through profit or loss
          -44,557,000 -44,557,000 -6,160,000  -27,934,000 -27,934,000 -33,774,000 -33,774,000  -5,375,000     -22,222,000 -22,222,000 -5,081,000 -30,179,000 -30,179,000   -45,571,000 -45,571,000 -6,864,000              -3,516,000 -4,339,000 -4,339,000     -7,644,000 -7,644,000     -4,330,000 -4,330,000                                                   
          proceeds from disposal of financial assets at fair value through profit or loss
        3,707,000 3,707,000 26,225,000 26,225,000 5,017,000 3,722,000 33,036,000 33,036,000 25,468,000 25,468,000 8,163,000 1,645,000 21,217,000 21,217,000 52,482,000 52,482,000 195,000 195,000 5,082,000 33,188,000 33,188,000 70,316,000 70,316,000 1,697,000 1,697,000 8,258,000 1,339,000 1,339,000 14,797,000 14,797,000 4,747,000 4,747,000 1,603,000 6,866,000 6,866,000 2,502,000 2,502,000 1,097,000 1,097,000 3,641,000             26,506,000 26,506,000                                                   
          acquisitions of financial assets at fair value through other comprehensive income
            -2,500,000    -17,164,000 -17,164,000  -1,379,000                                                                                             
          acquisitions of equity method investment
          -2,500,000 -2,500,000                                                                                                     
          decrease in refundable deposits
        18,068,000 18,068,000 30,000 30,000   11,339,000 11,339,000 14,000 14,000   6,133,000  1,193,000                     177,000    -2,909,000 21,000 21,000 57,000 57,000 10,000  78,000  4,000  6,000                                                      
          releases of restricted deposit
        31,000 31,000                                       323,000 323,000 3,000 3,000   3,000 3,000                                                         
          net cash from investing activities
        14,438,000 14,438,000 -26,629,000 -26,629,000 3,367,000  12,998,000 12,998,000 -27,024,000 -27,024,000 18,136,000 -22,987,000 6,243,000 6,243,000 17,022,000 17,022,000 -89,160,000 -89,160,000 9,172,000 -6,584,000 -6,584,000 55,273,000 55,273,000 -42,863,000 -42,863,000 -125,297,000         218,000     -5,072,000 -13,123,000 -13,123,000     -6,956,000 -6,956,000     -760,000 -760,000    -11,962,000 -11,962,000 406,000 406,000   -3,832,000 875,000 875,000     -1,313,000 -5,380,000 2,240,000 -2,352,000 8,463,000 2,293,000  -3,303,000 -9,152,000 -9,885,000 -9,885,000 -1,930,000 4,015,000 -1,150,000  -2,308,000 -6,720,000  871,000 -26,323,000 -49,758,000   -10,024,000 -5,970,000  -4,225,000 -8,934,000 -4,225,000    11,189,000 11,189,000 
          cash flows from financing activities:
                                                                                                                
          purchase of treasury shares
          -3,885,000 -3,885,000                                                                                                     
          decrease in prepayments for purchase of treasury shares
          885,000 885,000                                                                                                     
          payment of cash dividends
          -442,000 -442,000                                                                                                     
          payments of dividend equivalents
              -233,000 -233,000                                                                                                 
          proceeds from issuance of new shares by subsidiaries
        158,000 158,000         71,000 916,000       487,000               884,000 884,000                                   1,466,000       5,071,000 4,391,000  390,000 390,000  33,000 86,000  12,000 10,000 10,000 21,000 95,000 117,000 76,000 65,000 805,000 2,290,000  1,217,000 655,000 1,217,000  655,000    
          proceeds from short-term unsecured borrowings
          334,000 334,000 612,000       36,932,000   10,294,000 10,294,000          5,000,000     10,000,000 10,000,000  10,000,000 10,000,000                                                                      
          repayments of long-term unsecured borrowings
          -1,500,000 -1,500,000 -1,500,000  -1,500,000 -1,500,000 -1,500,000 -1,500,000  -1,500,000     -1,500,000 -1,500,000 -1,500,000 -41,500,000 -41,500,000   -1,500,000 -1,500,000 -1,500,000                                                                               
          proceeds from short-term secured borrowings
        688,200,000 688,200,000 484,300,000 484,300,000 484,300,000 461,400,000 522,600,000 522,600,000 349,200,000 349,200,000 447,100,000 427,100,000 530,800,000 530,800,000 139,200,000 139,200,000 286,200,000 286,200,000 358,200,000 668,700,000 668,700,000 51,400,000 51,400,000 134,400,000 134,400,000 221,400,000 233,200,000 233,200,000 60,000,000 60,000,000 97,000,000 97,000,000 47,000,000 107,000,000 107,000,000                                                                      
          repayments of short-term secured borrowings
          -484,300,000 -484,300,000 -484,300,000  -471,900,000 -471,900,000 -349,200,000 -349,200,000  -427,100,000     -286,200,000 -286,200,000 -358,200,000 -450,800,000 -450,800,000   -134,400,000 -134,400,000 -221,400,000                                                                               
          pledge of restricted deposit
              -50,700,000 -50,700,000            -217,900,000 -217,900,000                                                                                    
          payment of lease liabilities
          -584,000 -584,000 -1,448,000  -979,000 -979,000 -1,565,000 -1,565,000  -1,244,000     -1,179,000 -1,179,000 -1,258,000 -601,000 -601,000   -1,229,000 -1,229,000 -1,237,000              -601,000 -392,000 -392,000                                                               
          guarantee deposits refunded
                                                                                                                
          net cash from financing activities
          -5,192,000 -5,192,000 -2,336,000  -53,382,000 -53,382,000 -24,769,000 -24,769,000  -2,136,000     -2,679,000 -2,679,000 -14,271,000 -220,856,000 -220,856,000 11,174,000 11,174,000 12,885,000 12,885,000 49,838,000       1,013,000  2,021,000   10,138,000 10,138,000 -34,004,000 13,223,000 13,223,000 36,546,000 36,546,000  19,496,000 20,000,000 20,000,000      11,000     -1,000     -22,630,000  1,000     -37,000  -28,000 -45,710,000 -476,000 10,000  -38,017,000  468,000 468,000 -640,000 -11,089,000 -966,000 -6,236,000 488,000 -23,930,000  -440,000 13,170,000     2,290,000 -625,000 -9,624,000 655,000 -9,624,000  655,000  109,236,000 109,236,000 
          effect of foreign currency exchange rate changes on cash and cash equivalents
          580,000 580,000 219,000  985,000 985,000 -182,000 -182,000  873,000     183,000 183,000 1,469,000 -2,043,000 -2,043,000   -33,000 -33,000 38,000   119,000 119,000   567,000     54,000 54,000 111,000 -362,000 -362,000     112,000 112,000     255,000 255,000 299,000 99,000 99,000 59,000 59,000     -16,000   24,000 24,000  -130,000 13,000    39,000 -40,000 20,000 26,000 40,000 2,000 2,000 41,000  -12,000  36,000  38,000 21,000 54,000               
          net increase in cash and cash equivalents
          29,233,000 29,233,000 57,297,000 24,009,000   -25,026,000 -25,026,000 69,953,000 44,492,000   15,139,000 15,139,000 -25,295,000 -25,295,000 1,836,000 -233,157,000 -233,157,000 74,889,000 74,889,000 41,989,000 41,989,000 106,827,000   24,347,000 24,347,000 42,440,000 42,440,000 53,115,000  35,693,000    14,622,000   23,722,000     15,491,000 15,491,000      1,783,000    -13,139,000 -13,139,000     -23,618,000  13,902,000  20,692,000   -15,106,000 -9,104,000 40,889,000 -25,222,000 30,911,000 11,568,000   -11,766,000 19,979,000 19,979,000 49,915,000 -14,170,000 1,080,000 -4,252,000 15,510,000  -5,632,000 12,677,000 16,703,000  -1,965,000 45,008,000 -3,638,000 -18,262,000 25,670,000 2,085,000  2,085,000    135,637,000 135,637,000 
          cash and cash equivalents at beginning of period
        304,678,000 304,678,000 275,445,000 275,445,000 218,148,000 194,139,000 236,676,000 236,676,000 261,702,000 261,702,000 191,749,000 147,257,000 211,425,000 211,425,000 196,286,000 196,286,000 221,581,000 221,581,000 219,745,000 452,902,000 452,902,000 378,013,000 378,013,000 336,024,000 336,024,000 229,197,000 251,725,000 251,725,000 227,378,000 227,378,000 184,938,000 184,938,000 131,823,000 96,130,000 96,130,000 115,677,000 115,677,000 101,055,000 101,055,000 116,579,000 92,857,000 92,857,000 96,753,000 96,753,000 106,437,000 106,437,000 90,946,000 90,946,000 114,480,000 114,480,000 139,806,000 139,806,000 138,023,000 138,023,000 141,482,000 177,206,000 177,206,000 190,345,000 190,345,000     164,423,000 150,521,000 150,521,000 129,829,000 129,829,000 106,387,000 161,256,000 176,362,000 185,466,000 144,577,000 169,799,000 138,888,000 127,320,000 133,090,000 146,950,000 158,716,000 138,737,000 138,737,000 88,822,000 102,992,000 101,912,000 106,164,000 90,654,000 103,887,000 109,519,000 96,842,000 80,139,000 153,967,000 155,932,000 110,924,000 114,562,000 137,508,000 111,838,000 109,753,000 166,884,000 109,753,000 155,594,000 166,884,000  31,247,000 31,247,000 
          cash and cash equivalents at end of period
        257,090,000 257,090,000 304,678,000 304,678,000 275,445,000 218,148,000 194,139,000 194,139,000 236,676,000 236,676,000 261,702,000 191,749,000 147,257,000 147,257,000 211,425,000 211,425,000 196,286,000 196,286,000 221,581,000 219,745,000 219,745,000 452,902,000 452,902,000 378,013,000 378,013,000 336,024,000 229,197,000 229,197,000 251,725,000 251,725,000 227,378,000 227,378,000 184,938,000 131,823,000 131,823,000 96,130,000 96,130,000 115,677,000 115,677,000 101,055,000 116,579,000 116,579,000 92,857,000 92,857,000 96,753,000 96,753,000 106,437,000 106,437,000 90,946,000 90,946,000 114,480,000 114,480,000 139,806,000 139,806,000 138,023,000 141,482,000 141,482,000 177,206,000 177,206,000     140,805,000 164,423,000 164,423,000 150,521,000 150,521,000 129,829,000 106,387,000 161,256,000 176,362,000 185,466,000 144,577,000 169,799,000 138,888,000 127,320,000 133,090,000 146,950,000 158,716,000 158,716,000 138,737,000 88,822,000 102,992,000 101,912,000 106,164,000 90,654,000 103,887,000 109,519,000 96,842,000 80,139,000 153,967,000 155,932,000 110,924,000 119,246,000 137,508,000 111,838,000 155,594,000 111,838,000 109,753,000 155,594,000  166,884,000 166,884,000 
          gains on disposals of property, plant and equipment
                                                                                                                
          purchases of subsidiaries shares from noncontrolling interests
                -190,000 -190,000                                                                                               
          losses (gains) on disposals of property, plant and equipment
            -3,205,000                                                                                                    
          acquisition of a subsidiary, net of cash paid
                                                                                                                
          proceeds from capital reduction of investment
             338,000      360,000                   151,000 151,000 32,000        17,000 17,000 30,000 30,000   55,000 55,000        132,000 132,000     137,000 137,000  431,000 431,000                                       
          decrease (increase) in refundable deposits
            10,283,000      22,217,000   6,133,000  1,193,000                     177,000         10,000  78,000  4,000  6,000                                                     
          prepayments for purchase of treasury shares
                                                                                                                
          guarantee deposits received
             219,000   -21,514,000 -21,514,000  -5,000 200,000 200,000 5,000 5,000   -12,000,000 -882,000 -882,000 14,181,000 14,181,000 15,614,000 15,614,000 54,050,000                                                                               
          losses on disposals of property, plant and equipment
             4,000                                                                                                   
          loss on re-measurement of the pre-existing relationships in a business combination
                   1,932,000                                                                                             
          proceeds from disposal of property, plant and equipment
                   111,000                      2,000 2,000 247,000 247,000   84,000   8,000 8,000 6,000 6,000   1,000 1,000                                                       
          proceeds from disposal of financial assets at fair value through other comprehensive income
                   99,000       96,000                                                                                      
          acquisition of a subsidiary, net of cash acquired
                                        1,302,000                                                                        
          payments of cash dividends
              -50,670,000 -50,670,000            -217,873,000 -217,873,000                                           -22,348,000                                         
          repayments of short-term unsecured borrowings
                   -37,226,000              -5,000,000                                                                               
          profit for the year
                                                                                                                
          gain on disposal of subsidiary
                          -10,694,000                                                                                      
          loss (gains) on disposal of property, plant and equipment
                                                                                                                
          ​
                                                                                                                
          proceeds from disposal of a subsidiary
                                                                                                                
          acquisitions of equity method investments
                          -3,264,000                      -129,000 -129,000     -2,093,000 -2,093,000                                                         
          releases (pledges) of restricted deposit
                               2,700,000 2,700,000 2,700,000 2,699,000 2,699,000 2,700,000 2,700,000        1,000 1,000 -5,000     2,000 2,000   1,000 1,000 21,000 21,000 -11,000 -11,000                                                   
          cash received in advance from disposal of land
                    2,821,000 2,821,000             3,075,000 3,075,000      1,486,000 1,486,000                                                                      
          purchases of subsidiary shares from noncontrolling interests
                   -9,000              -1,475,000                                -1,000 -1,000     -290,000      -305,000                                   
          proceeds from long-term unsecured borrowings
                           40,000,000 40,000,000             60,000,000 60,000,000                                                                      
          cash and cash equivalents at beginning of year
                                                                                                                
          cash and cash equivalents at end of year
                                                                                                                
          net decrease in cash and cash equivalents
              -42,537,000 -42,537,000                                                              -54,869,000        -13,860,000         -13,233,000    -73,828,000       -11,290,000       
          income tax refunded
                -7,680,000 -7,680,000 391,000                                                                                              
          proceeds from issuance of new shares by subsidiary
                                                            11,000 11,000 105,000                                                  
          gain on disposals of property, plant and equipment
                   -368,000                                                                                             
          himax technologies, inc.
                                                                                                                
          unaudited condensed consolidated statements of cash flows
                                                                                                                
          acquisition of a subsidiary, net of cash increased
                   433,000                                                                                             
          proceeds from disposal of subsidiary
                          14,769,000                                                                                      
          reversal of credit losses recognized on accounts receivable
                                 -190,000                                                                               
          gains on disposal of property, plant and equipment
                                 -147,000                                                                               
          other non-current assets
                                                                                                                
          increase in refundable deposits
                        -64,259,000 -64,259,000 -13,000 -6,131,000 -6,131,000     -119,289,000                           -1,000 -1,000                                            -92,000       
          proceeds from exercise of employee stock options
                                  30,000 30,000 35,000 35,000 1,117,000 1,117,000 3,281,000 253,000 253,000 173,000 173,000                                                                    
          gain on disposal of property, plant and equipment
                                               -84,000                                                                 
          unrealized foreign currency exchange gains
                               -2,632,000 -2,632,000 -799,000                                                                               
          release (pledge) of restricted deposit
                                                                                                                
          pledges of restricted deposit
                                                                                                                
          expected (reversal of) credit losses recognized on accounts receivable
                                                                                                                
          acquisition of business
                                                            -700,000 -700,000                                                   
          cash paid for loan made to related party
                                                                                                                
          cash received from loan made to related party
                                                  2,780,000 2,780,000           2,650,000                                                  
          accounts receivable to related parties
                                    25,000 25,000                                                                           
          accounts payable to related parties
                                    997,000 997,000   1,568,000                                                                        
          net defined benefit liabilities
                                    1,000 1,000    1,000 1,000 1,000 1,000   -44,000     51,000 51,000 -99,000 -99,000     26,000 26,000                                                   
          share of losses (profits) of associates
                                    184,000 184,000    191,000 191,000   91,000 91,000 381,000       -1,397,000 -1,397,000                                                         
          expected credit loss recognized on accounts receivable
                                               67,000       100,000 100,000                                                         
          net cash from (used in) investing activities
                                                                                                       -8,309,000         
          release of restricted deposit
                                         60,000,000 60,000,000                                                                      
          gain on re-measurement of the pre-existing relationships in a business combination
                                                                                                                
          income tax paid for disposal of financial assets at fair value through profit or loss
                                                            -2,187,000 -2,187,000                                                   
          other payable to related party
                                           300,000 300,000 220,000 220,000 -400,000 260,000 260,000   140,000 140,000 1,547,000 1,547,000 50,000 50,000 300,000 300,000 -300,000 -300,000 850,000 1,350,000 1,350,000                                                
          net cash provided by (used in) operating activities
                                         33,473,000                      16,872,000  -1,235,000       13,092,000  21,505,000   14,143,000       -1,780,000  -2,654,000         -3,497,000                 
          net cash provided by (used in) investing activities
                                         218,000                                                   -1,630,000   -2,049,000                 
          net cash from (used in) financing activities
                                         2,021,000                                                                       
          net increase (decrease) in cash and cash equivalents
                                         35,693,000    14,622,000  -15,524,000 23,722,000            1,783,000            13,902,000  20,692,000  23,442,000        -5,770,000                            
          proceeds from unsecured borrowings
                                           58,403,000 58,403,000 139,734,000 139,734,000 67,218,000 60,000,000 60,000,000 77,006,000 77,006,000 40,000,000 40,000,000                                                           
          repayments of unsecured borrowings
                                               -100,621,000 -46,385,000 -46,385,000                                                               
          proceeds from secured borrowings
                                           87,000,000 87,000,000 37,000,000 37,000,000 27,000,000 67,000,000 67,000,000 27,000,000 27,000,000 37,000,000 37,000,000                                                           
          repayments of secured borrowings
                                               -27,000,000 -67,000,000 -67,000,000                                                               
          acquisitions of business
                                                                                                                
          other receivable from related party
                                                                                                                
          accounts payable to related party
                                                                 -1,098,000 -1,098,000 522,000 522,000                                            
          cash paid for loan made to related parties
                                                            -250,000 -250,000                                                   
          proceeds from disposal of subsidiary shares to noncontrolling interests by himax imaging, inc.
                                                                                18,000 2,000 8,000 10,000  -14,000  78,000 78,000 25,000 78,000 1,000  2,521,000 720,000                  
          acquisitions of noncontrolling interests
                                                                                                                
          foreign currency exchange losses of financial assets
                                                182,000      9,000 9,000 167,000 167,000 340,000                                                      
          proceeds from disposals of financial assets at amortized cost
                                                1,896,000 1,896,000 335,000 335,000 803,000 803,000 1,556,000 1,556,000 901,000 901,000 303,000 303,000                                                     
          proceeds from disposals of financial assets at fair value through profit or loss
                                                21,287,000 21,287,000 17,634,000 17,634,000 8,086,000 8,086,000 7,626,000 7,626,000 6,939,000 6,939,000 7,693,000 7,693,000                                                     
          foreign currency exchange losses (gains) of financial assets
                                                 182,000          340,000                                                     
          share of losses (profit) of associates
                                                  2,000 2,000     549,000 549,000                                                       
          acquisition of equity method investment
                                                                                                                
          net cash provided by financing activities
                                                    19,496,000        11,000                                                    
          proceeds from short-term borrowings
                                                      47,000,000 47,000,000 57,000,000 57,000,000 27,000,000 27,000,000                                                     
          repayments of short-term borrowings
                                                      -27,000,000 -27,000,000                                                         
          bad debt expense
                                                          190,000 190,000   155,000       620,000       310,000    554,000                                
          acquisition of a subsidiary, net of cash used
                                                                                                                
          net cash used in financing activities
                                                                             -49,424,000                  -124,000   -3,826,000 -2,827,000 -3,577,000 -10,238,000           
          acquisition of equity method investments
                                                                                                                
          foreign currency exchange gains of financial assets
                                                            -222,000 -222,000                                                   
          net cash provided by operating activities
                                                            2,277,000  8,296,000       47,215,000       25,866,000                3,606,000 17,294,000       45,806,000            
          proceeds from disposals of subsidiary shares to noncontrolling interests by himax imaging, inc.
                                                                      1,000 8,000 1,000 1,000   4,000 8,000 7,000 3,000                                 
          net income
                                                              22,862,000 3,130,000 3,130,000 -983,000 -983,000 809,000 809,000 3,501,000 3,501,000 13,391,000 19,273,000 19,273,000 12,582,000 12,582,000 5,215,000 -2,930,000 7,616,000 11,561,000 15,138,000 10,146,000 23,187,000 15,432,000 14,376,000 10,896,000 18,074,000 12,578,000 12,578,000 14,258,000 10,164,000 14,917,000 11,041,000 5,029,000 -91,000 2,779,000 1,790,000 10,505,000 -675,000 11,038,000 8,198,000 10,088,000 21,773,000 26,842,000 18,019,000 2,625,000 18,019,000 29,388,000 4,592,000 4,592,000 19,525,000 19,525,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                                                
          loss on disposals of property and equipment
                                                               3,000      28,000                                           
          gain on disposal of investment in non-marketable equity securities
                                                                                                                
          gain on disposals of marketable securities
                                                                  -37,000     -95,000  49,000  41,000   -30,000                                  
          equity in losses (income) of equity method investees
                                                              483,000       712,000     161,000 161,000     24,000    32,000 -101,000                           
          deferred income tax benefit
                                                                 -50,000 -50,000                                              
          prepaid expenses and other current assets
                                                              6,498,000   1,898,000 1,898,000   4,739,000  24,435,000 296,000 296,000   8,977,000 -5,533,000 -1,967,000 590,000 573,000 -2,295,000 1,447,000 1,328,000 -587,000 1,907,000 -3,281,000 104,000 104,000 1,987,000 -320,000 424,000 -670,000 -514,000 1,890,000 -100,000 -325,000 -4,059,000 908,000 1,098,000 462,000 -1,132,000 -4,390,000 486,000 -85,000 -2,530,000 -85,000 6,285,000     
          income taxes payable
                                                               855,000 855,000 -7,854,000 -7,854,000 1,482,000 1,482,000  -215,000 13,708,000   2,651,000 2,651,000  -425,000 -8,442,000 3,141,000 3,092,000 1,344,000 -4,328,000 2,249,000 832,000 2,970,000 2,425,000 2,099,000 2,099,000 1,669,000 -4,067,000 4,967,000 4,142,000 675,000 -2,431,000 -3,912,000 52,000 -5,478,000 4,045,000 -8,844,000 2,354,000            
          other accrued expenses and other current liabilities
                                                               7,206,000 7,206,000 182,000 182,000 1,836,000 1,836,000   34,549,000      6,850,000 950,000 -219,000 -184,000 219,000 740,000 -4,037,000 3,028,000 -861,000 2,606,000 -961,000 -961,000 857,000 1,568,000 -1,066,000 -1,531,000 -2,717,000 -316,000 683,000 258,000 3,673,000 829,000 2,464,000 -2,199,000 2,158,000 -114,000 4,071,000 -6,290,000 3,477,000 -6,290,000 1,327,000 3,477,000 3,477,000   
          other liabilities
                                                                 -507,000 -507,000 443,000 443,000 33,000  3,851,000 7,000 7,000     -51,000 -80,000   1,000  333,000 -49,000  -1,055,000 -1,055,000 1,000 -1,039,000 36,000 669,000  -980,000 -906,000 -11,000 3,476,000 -34,000 -602,000  -697,000           
          purchases of property, plant and equipment
                                                              22,072,000 16,118,000 16,118,000 -11,919,000 -11,919,000    -9,851,000 -1,861,000 1,638,000 1,638,000 1,388,000 1,388,000 1,948,000                                    
          proceeds from disposal of property and equipment
                                                              87,000         9,000      2,000 6,000   1,000        1,000     7,000       7,000           
          purchases of available-for-sale marketable securities
                                                                 -15,979,000 -15,979,000     -6,123,000      -33,328,000 -8,799,000 -4,426,000                                 
          proceeds from disposals of available-for-sale marketable securities
                                                              5,088,000 19,014,000 19,014,000 16,497,000 16,497,000 6,520,000 6,520,000 8,956,000 8,956,000 8,777,000 12,831,000 12,831,000 7,968,000 7,968,000 17,520,000 16,757,000 8,015,000 4,428,000                                 
          purchase of equity method investment
                                                                 -2,230,000 -2,230,000     -37,000                                         
          proceeds from disposal of investment in non-marketable equity securities
                                                              10,000,000                                                  
          proceeds from (repayments of) refundable deposits
                                                                 284,000 284,000    56,000 5,000 394,000 394,000 6,000 6,000 13,000                                    
          releases (pledges) of restricted marketable securities
                                                              195,000   -115,000 -115,000                                              
          net cash used in investing activities
                                                                             -19,458,000       -8,185,000                            
          pledges of restricted cash, cash equivalents and marketable securities
                                                                                                                
          proceeds from short-term debt
                                                              27,000,000 70,000,000 70,000,000 27,000,000 27,000,000    141,000,000 89,000,000 49,000,000 49,000,000 61,000,000 61,000,000 92,303,000                                    
          repayments of short-term debt
                                                                 -27,000,000 -27,000,000     -89,000,000                                         
          net cash provided by (used in) financing activities
                                                              105,000   -1,000       1,000            4,175,000                            
          supplemental disclosures of cash flow information:
                                                                                                                
          cash paid during the period for:
                                                                                                                
          interest
                                                              170,000 145,000 145,000 113,000 113,000    500,000 137,000 182,000 182,000 187,000 187,000                                   28,000 28,000 
          income taxes
                                                              273,000 6,371,000 6,371,000 7,986,000 7,986,000    6,976,000 4,558,000 6,591,000 6,591,000 71,000 71,000 350,000 2,479,000 9,576,000 100,000 84,000 2,328,000 10,418,000 481,000 377,000 435,000 4,330,000 108,000 108,000 88,000 174,000 123,000 63,000 46,000 95,000 5,979,000 206,000 41,000 45,000 8,196,000 47,000 13,000  4,706,000 17,000 21,000 17,000 18,000 21,000  5,549,000 5,549,000 
          supplemental disclosures of investing activities affecting both cash and non-cash items:
                                                                                                                
          decrease in payable for purchases of equipment and asset retirement obligations
                                                                 -1,373,000       42,000  814,000 814,000 1,619,000                                    
          cash paid
                                                              15,712,000 10,178,000 10,178,000 11,919,000 11,919,000    6,041,000 1,861,000 1,680,000 1,680,000 2,202,000 2,202,000 3,567,000                                    
          increase in other current assets for disposal of investment in non-marketable equity securities
                                                                                                                
          cash received
                                                              10,000,000                                                  
          adjustments to reconcile net income to net cash provided by operating activities:
                                                                                                                
          gain on disposals of equity method investment
                                                                               -88,000                                 
          gain on disposals of investment in non-marketable equity securities
                                                                                                                
          equity in losses of equity method investees
                                                                 697,000 697,000 134,000 134,000  712,000 206,000 198,000 198,000    119,000  50,000    75,000   64,000 127,000 127,000 14,000 30,000 12,000 72,000 74,000 82,000 112,000 81,000 146,000 99,000 106,000             
          deferred tax expense
                                                                                                                
          proceeds from disposals of property and equipment
                                                                   28,000 28,000                                           
          purchases of investment in non-marketable equity securities
                                                                                                                
          proceeds from disposals of investment in non-marketable equity securities
                                                                                                                
          proceeds from disposals of equity method investment
                                                                               179,000                                 
          cash received from the acquisition of liqxtal, net of cash paid of 1,780
                                                                                                                
          excess tax benefits from share-based compensation
                                                                             771,000    1,232,000                               
          releases
                                                                                                                
          proceeds from issuances of new shares by subsidiaries
                                                                                                                
          cash paid during the year for:
                                                                                                                
          purchase of property, plant and equipment
                                                                                                      -2,500,000 -6,877,000         
          increase in payable for purchases of equipment and asset retirement obligations
                                                                                                                
          purchases of investment securities
                                                                       -1,600,000                                         
          pledges of restricted marketable securities
                                                                             -131,000 -93,000                                  
          cash received for loan made to related party
                                                               1,500,000 1,500,000 1,500,000 1,500,000 1,500,000 1,500,000                                            
          releases of restricted cash, cash equivalents and marketable securities
                                                                        42,000,000 42,000,000                                       
          supplemental disclosures of non-cash investing and financing activities:
                                                                                                                
          dividend payable
                                                                 41,281,000 41,281,000      22,348,000 22,348,000     51,364,000    46,042,000    42,394,000     10,680,000    21,227,000    44,188,000             
          gain on disposals of property and equipment
                                                                3,000       -2,000                                         
          loss on disposals of marketable securities
                                                                 -37,000       49,000  41,000                                      
          decrease (increase) in payable for purchases of equipment and asset retirement obligations
                                                                  -1,373,000     -88,000  42,000                                       
          deferred income tax expense
                                                                       -219,000     1,665,000 -85,000 1,660,000 908,000 2,710,000 -300,000 479,000 927,000 3,722,000 870,000 1,112,000 1,705,000 1,705,000 2,732,000 7,587,000 257,000 -906,000 5,213,000 2,020,000 -983,000 242,000 8,198,000 -3,850,000 2,639,000 -375,000 2,023,000           
          accounts payable from related parties
                                                                     576,000                                           
          proceeds from refundable deposits
                                                                     56,000                                           
          other receivables from related parties
                                                                       4,000,000                                         
          impairment loss on investment
                                                                                309,000                                
          valuation gain on financial instruments
                                                                                                                
          proceeds from disposals of subsidiary shares to noncontrolling interests by himax technologies limited
                                                                                                                
          gain on disposals of investment securities
                                                                              -1,682,000                                  
          proceeds from disposals of investment securities
                                                                              1,682,000                                  
          releases (pledges) of restricted cash, cash equivalents and marketable securities
                                                                       -2,000 451,000 451,000                                       
          assets
                                                                                                                
          current assets:
                                                                                                                
          cash and cash equivalents
                                                                       140,805,000                                         
          investments in marketable securities available-for-sale
                                                                       12,559,000                                         
          accounts receivable, less allowance for doubtful accounts, sales returns and discounts
                                                                       208,372,000                                         
          deferred income taxes
                                                                       3,459,000                                -727,000  132,000   132,000 132,000   
          restricted cash, cash equivalents and marketable securities
                                                                       138,000,000                                         
          total current assets
                                                                       701,012,000                                         
          investment in non-marketable equity securities
                                                                       12,379,000                                         
          equity method investments
                                                                       3,104,000                                         
          property, plant and equipment
                                                                       49,849,000                                         
          goodwill
                                                                       28,138,000                                         
          other intangible assets
                                                                       3,418,000                                         
          restricted marketable securities
                                                                       127,000                                         
          other assets
                                                                       1,547,000                                         
          total assets
                                                                       800,768,000                                         
          liabilities, redeemable noncontrolling interest and equity
                                                                                                                
          current liabilities:
                                                                                                                
          short-term debt
                                                                       138,000,000                                         
          total current liabilities
                                                                       328,211,000                                         
          total liabilities
                                                                       332,062,000                                         
          redeemable noncontrolling interest
                                                                       3,656,000                                         
          equity
                                                                                                                
          himax technologies, inc. stockholders’ equity:
                                                                                                                
          ordinary shares, us0.3 par value, 1,000,000,000 shares authorized; 356,699,482 shares issued; and 344,007,418 shares, 343,815,424 shares and 343,815,424 shares outstanding at september 30, 2016, june 30, 2016 and september 30, 2015, respectively
                                                                       107,010,000                                         
          additional paid-in capital
                                                                       106,109,000                                         
          treasury shares, at cost, 12,692,064 shares, 12,884,058 shares and 12,884,058 shares at september 30, 2016, june 30, 2016 and september 30, 2015, respectively
                                                                       -9,020,000                                         
          accumulated other comprehensive loss
                                                                       -1,794,000                                         
          unappropriated retained earnings
                                                                       261,283,000                                         
          himax technologies, inc. stockholders’ equity
                                                                       463,588,000                                         
          noncontrolling interests
                                                                       1,462,000                                         
          total equity
                                                                       465,050,000                                         
          total liabilities, redeemable noncontrolling interest and equity
                                                                       800,768,000                                         
          losses on disposals of marketable securities
                                                                             -32,000                                   
          valuation gain on financial liabilities
                                                                                -1,255,000    -160,000                            
          changes in operating assets and liabilities:
                                                                                                                
          proceeds from capital reduction of investments
                                                                                1,168,000                                
          cash increase resulting from change in consolidated entity
                                                                            341,000                                    
          interest expense
                                                                            79,000 215,000 148,000 74,000 223,000 139,000 117,000 113,000 118,000 110,000 82,000 80,000 80,000 79,000 77,000 97,000 99,000 126,000 188,000 79,000 97,000 165,000  5,000             
          issuance of new shares by subsidiary for royalties
                                                                                      49,000                          
          accounts receivable from related parties
                                                                                      53,297,000 19,970,000 19,970,000 8,782,000 1,811,000 2,077,000 -6,079,000 594,000 6,542,000 -3,244,000 12,289,000 1,645,000 21,178,000 9,827,000 8,656,000 10,700,000 -40,994,000 -31,856,000 11,514,000 -5,096,000 11,514,000    5,076,000 5,076,000 
          repayments of refundable deposits
                                                                             -204,000 -87,000 -26,000                                 
          purchases of property and equipment
                                                                             -2,554,000 -2,019,000 -1,842,000                                 
          purchases of equity method investment
                                                                              -18,000 -3,690,000                                 
          distribution of cash dividends
                                                                             -51,364,000    -46,042,000    -42,394,000     -10,680,000    -21,224,000    -44,097,000              
          pledge of restricted cash equivalents
                                                                             -50,000,000    -32,000,000    -42,000,000                           
          proceeds from borrowing of short-term debts
                                                                             130,000,000 50,000,000 140,000,000 136,000,000 195,000,000  86,500,000 19,000,000 115,000,000 145,320,000                          
          repayments of short-term debts
                                                                             -80,000,000 -50,000,000 -140,000,000                                 
          losses (gains) on disposals of marketable securities
                                                                                                                
          equity in losses (gains) of equity method investees
                                                                                                                
          equity in losses (gain) of equity method investees
                                                                              170,000                                  
          proceeds from disposal of subsidiary shares to noncontrolling interests by himax technologies limited
                                                                                  83,000         97,000      135,000  94,000             
          purchases of subsidiary shares from noncontrolling
                                                                              -44,000                                  
          interests
                                                                                                                
          loss on disposals of investment securities
                                                                                                                
          gain on disposal of property and equipment
                                                                                                                
          gain on disposal of equity method investment
                                                                                    -54,000           -313,000                 
          loss on disposal of marketable securities
                                                                                26,000 10,000  1,000 13,000   2,000  -17,000 -635,000 11,000  1,000 36,000      -59,000            
          purchase of property and equipment
                                                                                -2,383,000 -2,058,000 -3,781,000 -2,709,000 -3,925,000 -3,752,000 -6,021,000 -4,714,000 -4,714,000 -2,199,000 -1,746,000 -1,009,000 -1,606,000 -1,206,000 -7,128,000 -8,674,000 -1,851,000 -1,831,000 -1,233,000 -1,720,000 -2,388,000 -2,125,000   -6,483,000  -6,483,000      
          purchase of available-for-sale marketable securities
                                                                                -6,252,000 -5,023,000 -9,180,000 -3,311,000 -6,354,000 -4,970,000 -9,060,000 -2,026,000 -2,026,000 -4,485,000 -3,351,000 -5,526,000 -6,247,000 -3,443,000 -5,193,000 -2,840,000 -6,014,000 -15,958,000 -9,184,000 -4,257,000 -5,577,000 -15,721,000           
          disposal of available-for-sale marketable securities
                                                                                6,851,000 5,009,000 6,856,000 3,305,000 6,344,000 4,361,000 9,063,000 2,024,000 2,024,000 4,502,000 7,984,000 5,515,000 6,254,000 3,442,000 5,158,000 9,501,000 7,733,000 10,399,000 6,340,000 5,514,000 11,190,000 7,946,000           
          purchase of investment securities
                                                                                    -4,000,000   -5,189,000 -5,189,000                        
          cash decrease resulting from change in consolidated entity
                                                                                                                
          release (pledge) of restricted cash equivalents and marketable securities
                                                                                2,887,000    24,000   4,000 4,000     -1,101,000   1,002,000        2,000  2,000      
          increase in other assets
                                                                                -31,000 -86,000 -114,000  -270,000       -132,000                     
          purchase of subsidiary shares from noncontrolling
                                                                                -46,000 -902,000                               
          release
                                                                                7,500,000    9,500,000      -10,000,000                      
          repayment of short-term debts
                                                                                -143,500,000 -163,000,000  -86,500,000 -28,500,000 -73,000,000 -145,320,000                          
          interest income from amortization of discount on investment in corporate bonds
                                                                                          -18,000 -41,000  -40,000 -41,000 -41,000 -48,000                
          payments to repurchase ordinary shares
                                                                                         -664,000 -511,000 -1,147,000 -6,564,000                    
          supplemental disclosures of non-cash investing activities:
                                                                                                                
          issuance of ordinary shares by himax display, inc. to acquire the net assets of spatial photonics, inc.
                                                                                                                
          loss on disposal of property and equipment
                                                                                                  34,000   2,000   35,000  35,000    5,000 5,000 
          gain on disposal of investment securities
                                                                                                                
          equity in income of equity method investees
                                                                                 -14,000                               
          disposal of investment securities
                                                                                  14,743,000 4,948,000                             
          release (pledge)of restricted cash equivalents and marketable securities
                                                                                 -195,000 -61,000   1,090,000      2,000  500,000                   
          supplemental disclosures of non-cash financing activities:
                                                                                                                
          gain on disposal of marketable securities
                                                                                        2,000       -194,000 -193,000 -197,000 -21,000 -19,000  -17,000           
          provision for allowance for doubtful accounts
                                                                                      173,000                          
          loss on disposal of investment securities
                                                                                  -10,743,000 241,000                             
          purchase of subsidiary shares from noncontrolling interests
                                                                                  -567,000            -1,383,000 -67,000 -461,000   -109,000             
          benefit from allowance for doubtful accounts
                                                                                                                
          release of restricted cash equivalents and marketable securities
                                                                                   66,000        21,200,000              424,000       
          decrease in other assets
                                                                                     -32,000 -3,134,000 16,000  253,000 585,000  -24,000  65,000 -32,000 1,000 88,000 7,000 72,000 69,000 -108,000           
          release of restricted cash equivalents
                                                                                                                
          decrease (increase) in other assets
                                                                                        16,000                        
          purchase of subsidiary shares from noncontrolling interests
                                                                                    -896,000         -47,000                   
          equity in earnings from subsidiaries
                                                                                                                
          proceeds from borrowing of short-term debt
                                                                                       73,000,000 73,000,000  73,000,000    27,200,000   13,000,000 44,000,000 160,000,000             
          repayment of short-term debt
                                                                                       -73,000,000 -73,000,000  -63,000,000 -21,200,000        -160,000,000             
          investment returned from subsidiaries
                                                                                                                
          proceeds from issue of rsus from a subsidiary
                                                                                                                
          proceeds from (repayment of) debt from a subsidiary
                                                                                                                
          acquisitions of ordinary shares for retirement
                                                                                                                
          net increase in cash
                                                                                                                
          cash at beginning of year
                                                                                                                
          cash at end of year
                                                                                                                
          interest paid during the year
                                                                                                                
          income taxes paid during the year
                                                                                                                
          loss on disposal of property, plant and equipment
                                                                                     1,000  87,000 87,000 6,000 30,000   7,000 114,000         204,000         
          unrealized loss on conversion option
                                                                                          62,000 62,000 -152,000 32,000 298,000 144,000 460,000                
          cash acquired in acquisition
                                                                                          546,000              6,197,000  6,197,000      
          fair value of ordinary shares issued by himax display, inc. in the acquisition of spatial photonics, inc.
                                                                                          541,000                      
          unrealized gain on conversion option
                                                                                                                
          impairment loss on investment in non-marketable securities
                                                                                         238,000                       
          pledge of restricted cash equivalents and marketable securities
                                                                                              -27,191,000   -13,512,000               
          proceeds from disposal of subsidiary shares to noncontrolling interests by himax technologies, limited.
                                                                                                                
          disposal of equity method investment
                                                                                                                
          purchase of equity method investments
                                                                                                    -897,000            
          refund from (increase in) refundable deposits
                                                                                                      -15,000 76,000 -16,000  -16,000      
          pledge of restricted cash, cash equivalents and marketable securities
                                                                                                                
          fair value of ordinary shares issued by himax display, inc. in the acquisition
                                                                                                                
          adjustments to reconcile net income to net cash from operating activities:
                                                                                                                
          proceeds from disposal of equity method investment
                                                                                              371,000                  
          adjustments to reconcile net income to net cash provided by operating activities:
                                                                                                                
          interest income from amortization of discount on investment in corporate bonds
                                                                                            -42,000                    
          release (pledge)of restricted cash equivalents and marketable securities
                                                                                                                
          proceeds from disposal of subsidiary shares to noncontrolling interests by himax technologies limited
                                                                                                                
          proceeds from disposal of subsidiary shares to noncontrolling interests by himax imaging, inc.
                                                                                            332,000                    
          release of restricted cash equivalents and marketable securities
                                                                                                                
          effect of foreign currency exchange rate changes on cash and cash equivalents
                                                                                            8,000                    
          unauditedcondensed consolidated statements of cash flows
                                                                                                                
          payments to acquire ordinary shares for retirement
                                                                                             -2,498,000 -2,062,000 -67,000   -4,210,000 -2,903,000 -3,642,000 -11,043,000           
          share-based compensation expense
                                                                                                                
          proceeds from debt from a subsidiary
                                                                                                                
          bad debt expenses
                                                                                                                
          valuation gain on investment securities
                                                                                                 -258,000               
          amortization of discount on investment securities
                                                                                                 -34,000 -18,000              
          purchase of non-marketable equity securities
                                                                                                 -5,500,000 -1,000,000 -1,024,000             
          purchase of subsidiary shares from noncontrolling  interests
                                                                                                 -60,000               
          adjustments to reconcile net income to net cash from operating activities:
                                                                                                                
          valuation gain on trading securities
                                                                                                  -62,000              
          purchase of trading securities
                                                                                                  -684,000              
          release (pledge) of restricted cash equivalents and marketable securities
                                                                                                  -44,004,000              
          proceeds from disposal of subsidiary shares to noncontrolling interests by himax technologies limited
                                                                                                  364,000              
          purchase of subsidiary shares from noncontrolling interests
                                                                                                     -99,000           
          effect of foreign currency exchange rate changes on cash and cash equivalents
                                                                                                  27,000              
          reversal for allowance for doubtful accounts
                                                                                                                
          net cash provided by(used in) investing activities
                                                                                                   -1,430,000 2,777,000            
          himax technologies, inc. unaudited condensed consolidated statements of cash flows
                                                                                                                
          provision (reversal) for allowance for doubtful accounts
                                                                                                     -575,000           
          equity in loss of equity method investees
                                                                                                    59,000            
          proceeds from disposal of subsidiary shares to noncontrolling interests by himax technologies limited
                                                                                                    418,000            
          purchase of subsidiary shares from noncontrolling   interests
                                                                                                    -38,000            
          effect of foreign currency exchange rate changes on cash and cash equivalents
                                                                                                    2,000            
          investment loss under equity method investment
                                                                                                     48,000           
          gain on disposal of subsidiary shares
                                                                                                                
          income tax payable
                                                                                                     1,068,000  -4,333,000  -1,075,000  2,601,000     
          proceeds from disposal of subsidiary shares by himax technologies limited
                                                                                                     76,000           
          purchase of equity-method investments
                                                                                                                
          effect of exchange rate changes on cash and cash equivalents
                                                                                                      22,000 -35,000 57,000 73,000 57,000      
          write-off of in-process research and development
                                                                                                       900,000 700,000  700,000      
          cash acquired in acquisition, net of cash paid
                                                                                                                
          purchase of investments in non-marketable equity securities
                                                                                                                
          release (pledge) of restricted marketable securities
                                                                                                                
          purchase of intangible assets
                                                                                                                
          distribution of special cash dividends
                                                                                                                
          proceeds from repayments of short-term debt
                                                                                                                
          proceeds from initial public offering, net of issuance costs
                                                                                                                
          proceeds from long-term debt from a subsidiary
                                                                                                                
          cash and cash equivalent at end of year
                                                                                                                
          minority interest, net of tax
                                                                                                      -316,000 -247,000 -325,000 157,000 -325,000  157,000 157,000   
          gain on sales of subsidiary shares and investment in non-marketable securities
                                                                                                                
          gain on sale of marketable securities
                                                                                                      -31,000 -23,000 -30,000 -12,000 -30,000      
          impairment loss on investments in non-marketable securities
                                                                                                                
          purchase of land, property and equipment
                                                                                                         -5,691,000       
          proceeds from sale of property and equipment
                                                                                                                
          sales and maturities of available-for-sale marketable securities
                                                                                                      9,404,000 11,258,000 13,639,000 8,480,000 13,639,000    9,830,000 9,830,000 
          proceeds from sale of subsidiary shares and investment in non-marketable securities by himax technologies limited
                                                                                                                
          purchase of investment in non-marketable securities
                                                                                                                
          purchase of subsidiary shares from minority interest
                                                                                                      -112,000 -46,000 -17,000 -64,000 -17,000      
          repayment of long-term debt
                                                                                                                
          fair value of ordinary shares issued by himax display, inc. in the acquisition of integrated microdisplays limited
                                                                                                                
          loss (gain) on disposal of property, plant and equipment
                                                                                                      -16,000          
          gain on sale of subsidiary shares and investments in non-marketable securities
                                                                                                      -112,000 -125,000 -21,000  -21,000      
          proceeds from sale of property, plant and equipment
                                                                                                      3,000 3,000         
          purchase of available-for-sales marketable securities
                                                                                                      -12,144,000 -11,723,000 -17,581,000 -10,608,000 -17,581,000      
          proceeds from sale of subsidiary shares and investments in non-marketable securities by himax technologies limited
                                                                                                      144,000 131,000 34,000  34,000      
          purchase of investments in non-marketable securities
                                                                                                      -750,000 -1,040,000  -1,410,000       
          release (pledge) of restricted cash equivalents
                                                                                                       -91,000         
          acquisition of ordinary shares for retirement
                                                                                                       -625,000 -10,841,000  -10,841,000      
          cash paid during the period for income taxes
                                                                                                      24,000          
          payable for purchase of equipment and construction in progress
                                                                                                      6,000 -4,473,000 1,384,000 -1,750,000 1,384,000      
          dividends payable
                                                                                                      39,710,000          
          impairment loss on an investment
                                                                                                              1,500,000 1,500,000 
          fair value of ordinary shares issued by himax technologies, inc. in the acquisition of wisepal technologies, inc.
                                                                                                        45,031,000  45,031,000      
          loss on disposal of property, plant, and equipment
                                                                                                                
          inventory write downs
                                                                                                                
          fair value of common stocks issued by himax display, inc. in the acquisition of integrated microdisplays limited
                                                                                                                
          gain on sale of subsidiary shares
                                                                                                         -11,000       
          proceeds from sale of subsidiary shares by himax technologies limited
                                                                                                         27,000       
          adjustments to reconcile net income to net cash provided
                                                                                                                
          (used in) by operating activities:
                                                                                                                
          inventories write down
                                                                                                           2,691,000     
          sales and maturities of available-for-sale marketable
                                                                                                                
          securities
                                                                                                           7,940,000 8,480,000 8,480,000 14,101,000 14,101,000 
          proceeds from sale of subsidiary shares by himax
                                                                                                                
          technologies limited
                                                                                                           937,000 27,000 27,000   
          return of (increase in) refundable deposits
                                                                                                           62,000     
          release (pledge) of restricted cash equivalents and
                                                                                                                
          marketable securities
                                                                                                                
          proceeds from issuance of ordinary shares
                                                                                                              147,813,000 147,813,000 
          shares buyback for canceling
                                                                                                                
          net cash provided (used in) by financing activities
                                                                                                                
          effect of exchange rate changes on cash and cash
                                                                                                                
          equivalents
                                                                                                           15,000 73,000    
          cash received from the acquisition of subsidiary
                                                                                                           20,000     
          supplemental disclosures of non-cash investing
                                                                                                                
          and financing activities:
                                                                                                                
          increase in payable for purchase of
                                                                                                                
          equipment and construction in progress
                                                                                                           4,481,000     
          net cash from (used in) operating activities
                                                                                                                
          release of restricted cash equivalents and marketable
                                                                                                                
          decrease in payable for purchase of equipment and
                                                                                                                
          construction in progress
                                                                                                                
          adjustments to reconcile net income to net cash
                                                                                                                
          from operating activities:
                                                                                                                
          gain on sales of subsidiary shares
                                                                                                                
          purchase of treasury stock
                                                                                                                
          proceeds from issuance of treasury stock to employees
                                                                                                                
          proceeds from borrowing of long-term debt
                                                                                                                
          effect of exchange rate changes on cash
                                                                                                                
          cash at beginning of period
                                                                                                                
          cash at end of period
                                                                                                                
          supplemental disclosure of non-cash investing and
                                                                                                                
          financing activities:
                                                                                                                
          payable for purchase of equipment and construction
                                                                                                                
          in progress
                                                                                                                
          adjustments to reconcile net income to net cash from
                                                                                                                
          operating activities:
                                                                                                                
          other accrued expenses and other current liability
                                                                                                                
          proceeds from sale of subsidiary shares by himax technologies
                                                                                                                
          limited
                                                                                                              55,000 55,000 
          release (pledge) of restricted cash equivalents and marketable
                                                                                                                
          adjustments to reconcile net income to net cash provided by
                                                                                                                
          long and short term debt
                                                                                                                
          operating lease obligations
                                                                                                                
          purchase obligations
                                                                                                                
          other obligations
                                                                                                                
          total