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ProAssurance Quarterly Balance Sheets Chart

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ProAssurance Quarterly Balance Sheets Table

Quarterly
 | 
Annual
 
Unit: USD2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-03-31 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2011-12-31 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2006-09-30 2006-06-30 2006-03-31 2002-06-30 2002-03-31 
                                                                     
  assets                                                                   
  investments                                                                   
  fixed maturities, available-for-sale, at fair value3,659,830,000 3,663,483,000 3,582,207,000 3,686,132,000 3,583,505,000 3,544,137,000 3,493,597,000 3,355,312,000 3,352,331,000 3,470,027,000 3,472,472,000 3,431,143,000 3,531,815,000 3,700,821,000 3,833,722,000 3,904,136,000 3,734,655,000 2,563,273,000 2,457,531,000 2,386,085,000 2,281,664,000                                               
  fixed maturities, trading, at fair value13,048,000 16,182,000 53,157,000 51,774,000 51,782,000 50,106,000 48,324,000 45,999,000 45,732,000 44,818,000 43,434,000 43,451,000 45,274,000 49,421,000 43,670,000 45,049,000 45,957,000 45,151,000 48,456,000 53,081,000 47,680,000                                          46,776,000 49,506,000    
  equity investments, at fair value108,758,000 120,072,000 130,158,000 134,693,000 128,860,000 137,914,000 151,295,000 143,920,000 149,529,000 146,868,000 143,738,000 142,254,000 147,612,000 203,925,000 214,807,000 214,530,000 234,211,000 77,537,000 120,101,000 129,385,000 92,750,000                                               
  short-term investments257,268,000 244,041,000 254,922,000 230,575,000 219,600,000 184,001,000 235,785,000 247,394,000 315,581,000 251,027,000 245,313,000 288,927,000 326,050,000 233,345,000 216,987,000 151,708,000 351,885,000 280,993,000 337,813,000 377,539,000 347,340,000 287,009,000 217,788,000 308,319,000 204,573,000 212,945,000 349,119,000 432,126,000 294,379,000 263,701,000 280,341,000 442,084,000 254,970,000 206,753,000 148,355,000 119,236,000 158,057,000 144,351,000 131,259,000 94,973,000 172,868,000 161,507,000 248,605,000 115,946,000 87,274,000 149,384,000 71,737,000 167,516,000 119,421,000 145,490,000 168,438,000 338,001,000 288,921,000 152,045,000 187,059,000 137,908,000 227,251,000 365,011,000 298,707,000 307,208,000 273,141,000 220,029,000 239,442,000 197,558,000 524,220,000 125,148,000 98,465,000 
  business owned life insurance81,418,000 80,797,000 80,179,000 80,292,000 79,191,000 78,657,000 78,205,000 77,502,000 80,930,000 82,402,000 81,746,000 81,239,000 80,818,000 80,879,000 81,767,000 80,821,000 80,198,000 66,932,000 67,847,000 67,393,000 66,569,000 65,008,000 64,549,000 64,096,000 63,638,000 63,017,000 62,562,000 62,113,000 61,652,000 61,031,000 60,589,000 60,134,000 59,664,000 58,111,000 57,672,000 57,213,000 56,748,000 56,090,000 56,381,000 55,918,000 55,272,000 54,820,000 54,374,000 53,922,000 53,289,000 52,850,000 52,414,000 52,070,000 52,651,000 50,948,000 50,484,000 66,165,000 65,825,000 65,411,000 65,003,000 64,597,000 64,261,000 63,862,000 62,990,000 62,689,000 62,121,000 61,509,000 58,144,000 57,576,000 57,009,000   
  investment in unconsolidated subsidiaries251,198,000 256,606,000 259,538,000 271,490,000 283,037,000 278,931,000 276,756,000 297,314,000 306,027,000 297,537,000 305,210,000 305,184,000 321,912,000 321,402,000 335,576,000 317,869,000 314,892,000 299,360,000 310,529,000 312,848,000 371,372,000 385,631,000 390,854,000 367,757,000 390,738,000 390,214,000 401,030,000 330,591,000 331,897,000 330,329,000 330,479,000 340,906,000 337,472,000 332,403,000 327,867,000 311,908,000 298,375,000 291,661,000 276,501,000 254,962,000 242,811,000 235,220,000 214,236,000 189,590,000 191,749,000 198,189,000 121,049,000 120,670,000 111,324,000 102,290,000 88,754,000 69,844,000 79,266,000 51,488,000 48,502,000 47,392,000 45,755,000 45,229,000 46,453,000 47,484,000 45,781,000 26,767,000      
  other investments7,807,000 7,801,000 7,266,000 6,160,000 6,288,000 59,796,000 65,819,000 62,816,000 65,287,000 88,969,000 95,770,000 93,309,000 95,496,000 103,876,000 101,794,000 110,012,000 110,052,000 71,621,000 47,068,000 40,650,000 33,778,000                     88,722,000 52,240,000 36,459,000 33,311,000 33,104,000 31,085,000 31,221,000 38,224,000 36,710,000 38,078,000 36,411,000 47,885,000 59,086,000 47,258,000 45,944,000 45,179,000 44,270,000          
  total investments4,379,327,000 4,388,982,000 4,367,427,000 4,461,116,000 4,352,263,000 4,333,542,000 4,349,781,000 4,230,257,000 4,315,417,000 4,381,648,000 4,387,683,000 4,385,507,000 4,548,977,000 4,693,669,000 4,828,323,000 4,824,125,000 4,871,850,000 3,404,867,000 3,389,345,000 3,366,981,000 3,241,153,000 3,467,300,000 3,414,614,000 3,349,382,000 3,383,632,000 3,353,804,000 3,498,645,000 3,686,528,000 3,671,838,000 3,692,540,000 3,747,620,000 3,925,696,000 3,849,956,000 3,816,595,000 3,698,275,000 3,650,130,000 3,748,655,000 3,857,891,000 4,009,707,000 4,051,314,000 4,138,533,000 4,074,963,000 3,941,045,000 3,857,673,000 4,156,888,000 4,318,352,000 3,926,902,000 4,125,634,000 4,090,541,000 4,007,609,000 3,990,431,000 3,997,998,000 3,966,174,000 3,908,587,000 3,838,222,000 3,863,396,000 3,771,646,000 3,574,071,000 3,524,027,000 3,674,412,000 3,699,108,000 3,629,607,000 3,462,041,000 3,074,849,000 3,104,522,000 1,598,922,000 1,553,010,000 
  cash and cash equivalents41,605,000 43,541,000 54,881,000 45,298,000 36,877,000 65,400,000 65,898,000 62,110,000 46,034,000 56,434,000 29,959,000 41,372,000 34,832,000 72,101,000 143,602,000 202,953,000 160,796,000 214,835,000 215,782,000 231,948,000 217,169,000 91,879,000 71,830,000 80,471,000 87,559,000 66,715,000 43,247,000 134,495,000 119,005,000 117,463,000 101,918,000 117,347,000 128,903,000 145,169,000 197,312,000 241,100,000 201,342,000 151,366,000 197,040,000 248,005,000 210,659,000 296,243,000 129,383,000 279,051,000 119,234,000 94,830,000 118,551,000 97,659,000 130,400,000 59,504,000 50,851,000 48,264,000 45,287,000 48,848,000 40,642,000 20,758,000 12,860,000 23,132,000 4,564,000 8,389,000 10,688,000 39,090,000 23,568,000 26,611,000 36,150,000 83,601,000 71,529,000 
  premiums receivable252,473,000 247,002,000 228,900,000 264,981,000 248,372,000 262,270,000 235,569,000 279,131,000 258,867,000 266,631,000 246,094,000 271,917,000 245,050,000 260,929,000 241,095,000 288,819,000 288,589,000 210,560,000 201,395,000 237,894,000 266,822,000 278,828,000 289,126,000 261,466,000 283,687,000 279,645,000 247,644,000 238,085,000 262,686,000 235,117,000 224,718,000 223,480,000 240,907,000 228,025,000 219,883,000 217,034,000 239,907,000 219,993,000 202,528,000 229,798,000 215,178,000 204,090,000 115,403,000 131,179,000 119,861,000 122,396,000 106,312,000 125,204,000 120,220,000 123,628,000 120,950,000 117,615,000 104,441,000 115,453,000 116,403,000 126,205,000 109,243,000 99,537,000 90,938,000 94,720,000 105,986,000 98,693,000 126,486,000 95,257,000 113,708,000 87,190,000 110,603,000 
  receivable from reinsurers on paid losses and loss adjustment expenses17,863,000 18,120,000 18,226,000 6,477,000 7,518,000 9,387,000 21,122,000 27,811,000 26,651,000 14,370,000 15,313,000 11,252,000 14,902,000 14,310,000 14,599,000 17,872,000 16,280,000 10,451,000 14,370,000 13,697,000 16,375,000 17,418,000 27,956,000 11,558,000 9,533,000 10,035,000 12,935,000 7,317,000 7,408,000 5,967,000 5,574,000 5,446,000 13,122,000 11,184,000 17,881,000 9,249,000 6,807,000 9,024,000 6,494,000 9,918,000 5,766,000 8,942,000 3,231,000 6,934,000 2,706,000 2,482,000 4,517,000 9,292,000 4,175,000 4,589,000 4,582,000 6,384,000 9,697,000 10,530,000 16,778,000 33,266,000 16,473,000 20,872,000 17,804,000         
  receivable from reinsurers on unpaid losses and loss adjustment expenses361,278,000 369,413,000 409,069,000 461,302,000 447,866,000 447,157,000 445,573,000 417,323,000 425,560,000 447,693,000 431,889,000 466,483,000 469,116,000 464,780,000 451,741,000 476,315,000 484,059,000 393,420,000 385,087,000 391,637,000 389,792,000 352,012,000 349,319,000 343,820,000 332,555,000 324,168,000 329,540,000 335,585,000 313,876,000 280,332,000 271,679,000 273,475,000 254,777,000 253,815,000 245,403,000 249,350,000 240,239,000 237,801,000 237,966,000 251,605,000 256,704,000 265,995,000 247,518,000 249,720,000 252,891,000 251,053,000 191,645,000 231,250,000 247,658,000 280,866,000 277,436,000 269,871,000 265,794,000 260,846,000 262,659,000 258,112,000 275,162,000 268,727,000 279,427,000 281,149,000 329,768,000 327,111,000 390,613,000 331,910,000 331,540,000 399,083,000 386,976,000 
  prepaid reinsurance premiums34,276,000 35,686,000 30,623,000 37,248,000 33,517,000 35,808,000 31,149,000 38,141,000 34,327,000 34,662,000 29,120,000 35,314,000 32,730,000 32,198,000 24,571,000 32,275,000 39,261,000 34,802,000 35,885,000 45,159,000 44,120,000 48,392,000 45,095,000 40,631,000 51,437,000 50,478,000 39,899,000 39,916,000 47,529,000 47,711,000 43,184,000 39,723,000 45,195,000 42,361,000 40,443,000 34,050,000 36,476,000 35,673,000 32,115,000 36,286,000 29,256,000 27,098,000 21,449,000 24,348,000 26,880,000 24,804,000 13,404,000 16,100,000 12,568,000 12,657,000 11,023,000 12,138,000 13,066,000 13,507,000 11,836,000 12,859,000 14,445,000 14,703,000 13,255,000 13,827,000 15,245,000 14,835,000 20,250,000 16,225,000 18,949,000 25,360,000 30,020,000 
  deferred policy acquisition costs59,879,000 61,241,000 59,026,000 63,827,000 61,041,000 63,619,000 60,336,000 67,257,000 62,999,000 63,978,000 58,148,000 65,017,000 63,113,000 65,491,000 58,940,000 57,929,000 52,102,000 47,616,000 47,196,000 53,038,000 56,166,000 55,871,000 56,923,000 54,116,000 56,250,000 52,193,000 50,765,000 50,261,000 51,691,000 50,209,000 49,185,000 46,809,000 49,609,000 47,713,000 44,958,000 44,388,000 47,662,000 44,398,000 38,790,000 44,049,000 43,335,000 41,171,000 28,999,000 30,245,000 27,424,000 26,342,000 23,179,000 25,042,000 26,626,000 28,109,000 27,281,000 27,954,000 26,769,000 28,182,000 25,493,000 26,916,000 23,706,000 23,282,000 20,954,000         
  deferred tax asset142,694,000 153,932,000 163,928,000 157,026,000 183,164,000 184,897,000 186,164,000 213,572,000 202,165,000 202,056,000 209,535,000 217,734,000 188,824,000 157,214,000 117,613,000 117,940,000 110,785,000 67,699,000 57,105,000 59,585,000 66,710,000 11,290,000 15,685,000 29,108,000 17,962,000 18,196,000 16,874,000 9,930,000 13,957,000 5,919,000 1,870,000 10,256,000   877,000 15,097,000 7,745,000      1,757,000 1,341,000 8,092,000                       
  real estate14,981,000 15,082,000 29,581,000 29,778,000 30,016,000 29,523,000 29,757,000 29,990,000 30,202,000 30,435,000 29,968,000 30,197,000 30,413,000 30,117,000 30,342,000 30,547,000 30,722,000 30,594,000 30,529,000 29,990,000 31,122,000 30,841,000 30,688,000 31,114,000 31,307,000 31,316,000 31,646,000 31,975,000 32,305,000 32,611,000 31,580,000 31,814,000 38,134,000 38,475,000 38,450,000 38,470,000 38,704,000 39,374,000 39,799,000 40,116,000 40,394,000 40,651,000 41,010,000 41,373,000 41,613,000 41,490,000 41,502,000 41,111,000 40,432,000 43,601,000 43,951,000 44,259,000 44,286,000 44,246,000 44,496,000 43,747,000 43,200,000 23,307,000 23,725,000 23,962,000 24,146,000 24,004,000 23,338,000 16,054,000 16,356,000 17,805,000 17,977,000 
  operating lease rou assets15,153,000 15,819,000 16,514,000 17,241,000 16,799,000 17,530,000 16,275,000 16,092,000 17,032,000 17,992,000 18,987,000 19,735,000 17,702,000 17,989,000 19,595,000 20,253,000 21,670,000 18,219,000 19,013,000 18,925,000 19,722,000 20,374,000 17,227,000                                             
  intangible assets51,284,000 52,746,000 54,208,000 55,669,000 57,131,000 58,676,000 60,308,000 61,939,000 63,571,000 65,203,000 66,835,000 68,466,000 70,098,000 71,717,000 73,336,000 74,955,000 76,574,000 64,173,000 65,720,000 67,284,000 70,167,000 73,815,000 75,267,000 76,776,000 78,320,000 79,864,000 81,408,000 82,952,000 84,496,000 81,592,000 82,999,000 84,406,000 86,402,000 88,433,000 90,394,000 92,462,000 94,530,000 96,598,000 100,733,000 103,224,000 105,813,000 108,402,000 52,002,000 52,880,000 54,252,000 55,577,000 53,225,000 50,209,000 53,703,000 57,094,000                  
  goodwill5,500,000 5,500,000 5,500,000 5,500,000 5,500,000 5,500,000 5,500,000 5,500,000 49,610,000 49,610,000 49,610,000 49,610,000 49,610,000 49,610,000 49,610,000 49,610,000 49,610,000 49,610,000 49,610,000 49,610,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 210,725,000 161,115,000 161,115,000 161,115,000 161,123,000 163,055,000 159,625,000 159,625,000 161,453,000 161,453,000 122,317,000 122,317,000 122,317,000 122,317,000 118,997,000 118,982,000 90,250,000 72,213,000         
  other assets109,290,000 118,956,000 136,390,000 126,909,000 134,900,000 136,727,000 124,493,000 124,834,000 124,977,000 117,151,000 126,858,000 120,715,000 125,823,000 128,473,000 138,110,000 133,675,000 155,889,000 127,692,000 143,766,000 126,749,000 100,807,000 127,373,000 112,653,000 111,559,000 110,475,000 106,325,000 115,596,000 101,428,000 109,638,000 101,530,000 101,589,000 96,004,000 98,045,000 94,342,000 89,898,000 106,108,000 90,212,000 98,648,000 93,263,000 100,957,000 141,331,000 127,224,000 329,979,000 127,973,000 141,089,000 120,297,000 234,286,000 83,578,000 81,941,000 80,802,000 84,455,000 82,705,000 89,112,000 88,365,000 89,789,000 89,620,000 97,997,000 60,081,000 158,008,000 171,902,000 195,396,000 203,391,000 163,060,000 119,426,000 115,949,000 93,920,000 94,186,000 
  total assets5,485,603,000 5,526,020,000 5,574,273,000 5,732,372,000 5,614,964,000 5,650,036,000 5,631,925,000 5,573,957,000 5,657,412,000 5,747,863,000 5,699,999,000 5,783,319,000 5,891,190,000 6,058,598,000 6,191,477,000 6,327,268,000 6,358,187,000 4,674,538,000 4,654,803,000 4,692,497,000 4,730,850,000 4,786,118,000 4,717,108,000 4,600,726,000 4,653,442,000 4,583,464,000 4,678,924,000 4,929,197,000 4,925,154,000 4,861,716,000 4,872,641,000 5,065,181,000 5,015,775,000 4,976,837,000 4,894,499,000 4,908,163,000 4,963,004,000 5,001,491,000 5,169,160,000 5,325,997,000 5,397,694,000 5,405,504,000 5,150,891,000 4,963,832,000 5,112,045,000 5,218,746,000 4,876,578,000 4,972,666,000 4,998,878,000 4,905,179,000 4,875,056,000 4,771,439,000 4,737,482,000 4,706,400,000 4,647,414,000 4,669,440,000 4,598,409,000 4,322,067,000 4,340,362,000 4,376,974,000 4,473,964,000 4,439,836,000      
  liabilities and shareholders' equity                                                                   
  liabilities                                                                   
  policy liabilities and accruals                                                                   
  reserve for losses and loss adjustment expenses3,134,904,000 3,180,767,000 3,257,696,000 3,339,683,000 3,367,540,000 3,382,512,000 3,401,281,000 3,395,651,000 3,420,925,000 3,469,279,000 3,471,147,000 3,544,928,000 3,572,862,000 3,603,246,000 3,579,940,000 3,632,686,000 3,621,831,000 2,438,250,000 2,417,179,000 2,407,488,000 2,331,048,000 2,195,460,000 2,158,995,000 2,119,847,000 2,099,827,000 2,078,817,000 2,056,801,000 2,048,381,000 2,040,698,000 1,991,865,000 1,996,989,000 1,993,428,000 1,998,019,000 1,992,801,000 2,005,770,000 2,005,326,000 2,022,261,000 2,026,697,000 2,058,266,000 2,146,018,000 2,174,293,000 2,204,347,000 2,072,822,000 2,148,112,000 2,192,640,000 2,216,874,000 2,054,994,000 2,153,548,000 2,247,772,000 2,411,358,000 2,414,100,000 2,405,828,000 2,412,343,000 2,423,312,000 2,422,230,000 2,469,691,000 2,505,888,000 2,372,788,000 2,481,404,000 2,506,661,000 2,555,403,000 2,559,707,000 2,588,954,000 2,313,964,000 2,276,697,000 1,507,401,000  
  unearned premiums425,551,000 463,694,000 418,756,000 477,894,000 437,691,000 476,941,000 433,715,000 492,950,000 439,556,000 473,696,000 422,950,000 476,270,000 450,571,000 486,693,000 433,961,000 509,317,000 498,653,000 375,246,000 361,547,000 415,184,000 443,288,000 441,923,000 457,607,000 415,211,000 444,998,000 421,065,000 426,627,000 398,884,000 422,009,000 397,495,000 397,139,000 372,563,000 406,484,000 385,214,000 387,085,000 362,066,000 401,996,000 370,459,000 345,828,000 391,296,000 363,172,000 366,170,000 256,255,000 281,568,000 260,464,000 278,019,000 233,861,000 257,661,000 251,155,000 275,598,000 256,050,000 249,450,000 230,980,000 267,783,000 244,212,000 272,290,000 247,095,000 227,286,000 210,188,000 207,775,000 246,022,000 218,028,000 288,445,000 250,594,000 293,759,000 224,285,000  
  reinsurance premiums payable22,005,000 22,166,000 27,289,000 33,596,000 28,491,000 29,435,000 24,019,000 32,018,000 27,184,000 26,370,000 28,514,000 38,232,000 32,565,000 24,891,000 22,627,000 36,459,000 45,178,000 31,039,000 39,998,000 46,117,000 52,367,000 54,891,000 54,692,000 55,614,000 54,174,000 51,569,000 46,933,000 37,726,000 34,769,000 38,076,000 34,222,000 30,001,000 31,510,000 34,039,000 29,513,000 30,114,000 23,369,000 24,143,000 17,451,000 32,314,000 28,931,000 42,113,000 34,321,000 37,507,000 42,009,000 45,160,000 45,591,000 86,047,000 82,039,000 107,509,000 111,680,000 118,272,000 119,271,000 112,686,000 113,994,000 111,813,000 129,411,000 128,801,000 126,079,000 124,840,000 123,906,000 128,582,000 100,716,000 82,045,000 84,986,000 59,365,000  
  total policy liabilities and accruals3,582,460,000 3,666,627,000 3,703,741,000 3,851,173,000 3,833,722,000 3,888,888,000 3,859,015,000 3,920,619,000 3,887,665,000 3,969,345,000 3,922,611,000 4,059,430,000 4,055,998,000 4,114,830,000                                                      
  operating lease liabilities15,954,000 16,671,000 17,390,000 18,161,000 17,757,000 18,517,000 17,179,000 16,926,000 17,912,000 18,969,000 20,008,000 20,803,000 18,793,000 19,190,000 20,844,000 21,670,000 23,499,000 19,168,000 20,116,000 20,194,000 21,311,000 21,131,000 18,036,000                                             
  other liabilities189,306,000 185,353,000 226,520,000 205,868,000 204,203,000 201,792,000 216,618,000 197,990,000 206,095,000 193,733,000 226,379,000 210,654,000 220,632,000 217,280,000 280,732,000 279,276,000 286,123,000 205,097,000 182,039,000 188,631,000 169,783,000 203,940,000 178,395,000 199,295,000 179,534,000 169,126,000 207,866,000 437,600,000 176,328,000 169,810,000 170,317,000 422,285,000 187,468,000 179,803,000 139,673,000 202,303,000 158,588,000 161,866,000 320,853,000 164,095,000 188,504,000 166,661,000 143,079,000 123,284,000 155,144,000 165,228,000 131,967,000 126,012,000 203,772,000 174,925,000 186,259,000 128,457,000 131,324,000 94,153,000 112,180,000 116,461,000 134,794,000 95,701,000 131,480,000 118,711,000 108,509,000 114,291,000 91,239,000 78,757,000 137,881,000 52,184,000 52,445,000 
  debt less unamortized debt issuance costs422,633,000 423,749,000 424,873,000 425,944,000 426,854,000 427,774,000 427,133,000 426,579,000 426,026,000 427,526,000 426,983,000 426,436,000 425,878,000 425,530,000 424,986,000 424,758,000 458,863,000 284,422,000 284,713,000 284,990,000 285,544,000                                               
  total liabilities4,210,353,000 4,292,400,000 4,372,524,000 4,501,146,000 4,482,536,000 4,536,971,000 4,519,945,000 4,562,114,000 4,537,698,000 4,609,573,000 4,595,981,000 4,717,323,000 4,721,301,000 4,776,830,000 4,763,090,000 4,904,166,000 4,934,147,000 3,353,222,000 3,305,593,000 3,362,604,000 3,303,341,000 3,204,562,000 3,155,212,000 3,077,724,000 3,066,547,000 3,008,848,000 3,109,755,000 3,334,402,000 3,074,264,000 3,023,620,000 3,046,955,000 3,266,479,000 2,973,608,000 2,948,642,000 2,909,985,000 2,949,809,000 2,956,214,000 2,944,307,000 3,011,216,000 3,004,785,000 3,036,923,000 3,053,522,000 2,756,477,000 2,590,471,000 2,775,257,000 2,857,703,000 2,605,998,000 2,623,268,000 2,834,425,000 3,020,439,000 3,019,193,000 2,953,232,000 2,944,504,000 2,948,697,000 2,942,819,000 3,019,980,000 3,070,738,000 2,860,003,000 3,007,447,000 3,122,367,000 3,198,109,000 3,184,766,000 3,248,420,000 2,892,748,000 2,960,637,000 1,920,735,000 1,910,893,000 
  shareholders' equity                                                                   
  common shares640,000 639,000 638,000 638,000 637,000 636,000 636,000 636,000 636,000 635,000 634,000 634,000 634,000 634,000 633,000 633,000 633,000 633,000 632,000 632,000 632,000                                               
  additional paid-in capital410,036,000 408,630,000 408,471,000 406,842,000 405,415,000 402,485,000 403,554,000 402,144,000 400,705,000 398,436,000 397,919,000 396,775,000 395,540,000 393,433,000 392,941,000 391,875,000 390,748,000 388,924,000 388,150,000 387,386,000 384,732,000 385,200,000 383,494,000 384,713,000 384,638,000 383,001,000 380,250,000 383,077,000 380,595,000 379,587,000 375,912,000 376,518,000 371,993,000 370,424,000 366,727,000 365,399,000 364,877,000 362,230,000 359,577,000 357,779,000 355,399,000 351,548,000 349,894,000 347,547,000 345,845,000 342,590,000 341,780,000 543,471,000 538,625,000 533,124,000 532,213,000 531,297,000 529,740,000 527,819,000 526,068,000 524,469,000 522,861,000 520,364,000 517,003,000 514,173,000 511,616,000 505,923,000 494,562,000 394,087,000 392,966,000 261,628,000 261,752,000 
  accumulated other comprehensive income-116,556,000 -134,858,000 -172,391,000 -125,108,000 -206,037,000 -206,961,000 -204,489,000 -296,839,000 -267,480,000 -255,978,000 -298,607,000 -324,241,000 -234,188,000 -124,566,000 16,284,000 41,507,000 53,072,000 41,522,000 75,227,000 68,285,000 -4,910,000                                               
  retained earnings1,450,824,000 1,428,903,000 1,434,725,000 1,418,556,000 1,402,115,000 1,386,607,000 1,381,981,000 1,375,604,000 1,425,038,000 1,414,411,000 1,423,286,000 1,412,042,000 1,423,865,000 1,428,229,000 1,434,491,000 1,405,049,000 1,395,549,000 1,306,199,000 1,301,163,000 1,289,552,000 1,463,017,000 1,581,273,000 1,586,393,000 1,571,847,000 1,639,743,000 1,625,137,000 1,614,344,000 1,614,186,000 1,864,136,000 1,851,745,000 1,848,751,000 1,824,088,000 2,034,898,000 2,017,521,000 1,990,907,000 1,988,035,000 2,022,534,000 2,028,745,000 1,991,704,000 2,094,181,000 2,076,742,000 2,044,428,000 2,015,603,000 1,963,140,000 1,915,316,000 1,880,262,000 1,782,857,000 1,851,052,000 1,699,853,000 1,475,719,000 1,428,026,000 1,325,973,000 1,274,921,000 1,234,540,000 1,196,428,000 1,111,851,000 1,056,649,000 999,257,000 894,599,000 872,352,000 829,034,000 793,166,000 586,520,000 553,152,000 523,161,000 153,463,000 152,379,000 
  treasury shares, at cost-469,694,000 -469,694,000 -469,694,000 -469,702,000 -469,702,000 -469,702,000 -469,702,000 -469,702,000 -439,185,000 -419,214,000 -419,214,000 -419,214,000 -415,962,000 -415,962,000 -415,962,000 -415,962,000 -415,962,000 -415,962,000 -415,962,000 -415,962,000 -415,962,000                                               
  total shareholders' equity1,275,250,000 1,233,620,000 1,201,749,000 1,231,226,000 1,132,428,000 1,113,065,000 1,111,980,000 1,011,843,000 1,119,714,000 1,138,290,000 1,104,018,000 1,065,996,000 1,169,889,000 1,281,768,000 1,428,387,000 1,423,102,000 1,424,040,000 1,321,316,000 1,349,210,000 1,329,893,000 1,427,509,000 1,581,556,000 1,561,896,000 1,523,002,000 1,586,895,000 1,574,616,000 1,569,169,000                                         
  total liabilities and shareholders' equity5,485,603,000 5,526,020,000 5,574,273,000 5,732,372,000 5,614,964,000 5,650,036,000 5,631,925,000 5,573,957,000 5,657,412,000 5,747,863,000 5,699,999,000 5,783,319,000 5,891,190,000 6,058,598,000 6,191,477,000 6,327,268,000 6,358,187,000 4,674,538,000 4,654,803,000 4,692,497,000 4,730,850,000 4,786,118,000 4,717,108,000 4,600,726,000 4,653,442,000 4,583,464,000 4,678,924,000                                         
  total policy liabilities              4,036,528,000 4,178,462,000 4,165,662,000 2,844,535,000 2,818,725,000 2,868,789,000 2,826,703,000 2,692,274,000 2,671,294,000 2,590,672,000 2,598,999,000 2,551,451,000 2,530,361,000 2,484,991,000 2,497,476,000 2,427,436,000 2,428,350,000 2,395,992,000 2,436,013,000 2,412,054,000 2,422,368,000 2,397,506,000 2,447,626,000 2,421,299,000 2,421,545,000 2,569,628,000 2,566,396,000 2,612,630,000 2,363,398,000 2,467,187,000 2,495,113,000 2,540,053,000 2,334,446,000 2,497,256,000 2,580,966,000 2,794,465,000 2,781,830,000 2,773,550,000 2,762,594,000 2,803,781,000 2,780,436,000 2,853,794,000 2,882,394,000 2,728,875,000 2,817,671,000 2,839,276,000 2,925,331,000 2,906,317,000 2,978,115,000 2,646,603,000 2,655,442,000 1,791,051,000 1,778,448,000 
  fixed maturities, available for sale, at fair value; amortized cost, 2,188,547 and 2,116,825, respectively                     2,229,346,000                                              
  fixed maturities, trading, at fair value; cost, 42,905 and 38,445, respectively                     43,156,000                                              
  equity investments, at fair value; cost, 398,489 and 450,931, respectively                     420,425,000                                              
  other investments, 33,824 and 31,344 at fair value, respectively, otherwise at cost or amortized cost                     36,725,000                                              
  debt less debt issuance costs                     287,217,000 287,487,000 287,757,000 288,014,000 288,271,000 371,528,000 411,811,000 400,460,000 426,374,000 448,288,000 448,202,000 348,116,000 348,030,000 347,944,000                                 
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 63,112,288 and 62,989,421 shares issued, respectively                     631,000                                              
  accumulated other comprehensive income, net of deferred tax benefit of 8,627 and (4,355), respectively                     31,729,000                                              
  treasury shares, at cost, 9,352,373 shares as of each respective period end                     -417,277,000 -417,277,000                                             
  fixed maturities, available for sale, at fair value; amortized cost, 2,175,109 and 2,116,825, respectively                      2,185,798,000                                             
  fixed maturities, trading, at fair value; cost, 43,031 and 38,445, respectively                      42,973,000                                             
  equity investments, at fair value; cost, 451,925 and 450,931, respectively                      476,324,000                                             
  other investments, 33,441 and 31,344 at fair value, respectively, otherwise at cost or amortized cost                      36,328,000                                             
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 63,093,580 and 62,989,421 shares issued, respectively                      631,000                                             
  accumulated other comprehensive income, net of deferred tax benefit of 2,449 and (4,355), respectively                      8,655,000                                             
  fixed maturities, at fair value; cost or amortized cost, 2,155,270 and 2,257,188, respectively                       2,131,986,000                                            
  equity investments, at fair value; cost, 450,931 and 425,942, respectively                       442,937,000                                            
  other investments, 31,344 and 52,301 at fair value, respectively, otherwise at cost or amortized cost                       34,287,000                                            
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,989,421 and 62,824,523 shares issued, respectively                       630,000                                            
  accumulated other comprehensive income, net of deferred tax benefit of (4,355) and 5,218, respectively                       -16,911,000                                            
  treasury shares, at cost, 9,352,373 shares and 9,367,502 shares, respectively                       -417,277,000                                            
  fixed maturities, at fair value; cost or amortized cost, 2,192,705 and 2,257,188, respectively                        2,165,117,000                                           
  equity investments, at fair value; cost, 494,157 and 425,942, respectively                        523,768,000                                           
  other investments, 32,868 and 52,301 at fair value, respectively, otherwise at cost or amortized cost                        35,798,000                                           
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,987,485 and 62,824,523 shares issued, respectively                        630,000                                           
  accumulated other comprehensive income, net of deferred tax benefit of (5,224) and 5,218, respectively                        -20,107,000                                           
  treasury shares, at cost, 9,367,545 shares and 9,367,502 shares, respectively                        -418,009,000 -418,009,000 -418,009,000                                         
  fixed maturities, at fair value; cost or amortized cost, 2,178,066 and 2,257,188, respectively                         2,155,693,000                                          
  equity investments, at fair value; cost, 474,306 and 425,942, respectively                         496,026,000                                          
  other investments, 33,020 and 52,301 at fair value, respectively, otherwise at cost or amortized cost                         35,909,000                                          
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,986,474 and 62,824,523 shares issued, respectively                         630,000                                          
  accumulated other comprehensive income, net of deferred tax benefit of (4,027) and 5,218, respectively                         -16,143,000                                          
  fixed maturities, at fair value; cost or amortized cost, 2,169,546 and 2,257,188, respectively                          2,157,831,000                                         
  equity investments, at fair value; cost, 471,337 and 425,942, respectively                          492,159,000                                         
  other investments, 33,042 and 52,301 at fair value, respectively, otherwise at cost or amortized cost                          35,944,000                                         
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,960,615 and 62,824,523 shares issued, respectively                          630,000                                         
  accumulated other comprehensive income, net of deferred tax benefit of (1,842) and 5,218, respectively                          -8,046,000                                         
  fixed maturities, available for sale, at fair value; amortized cost, 2,257,188 and 2,586,821, respectively                           2,280,242,000                                        
  equity securities, trading, at fair value; cost, 425,942 and 353,744, respectively                           470,609,000                                        
  other investments, 52,301 and 31,501 at fair value, respectively, otherwise at cost or amortized cost                           110,847,000                                        
  liabilities and shareholders’ equity                                                                   
  shareholders’ equity                                                                   
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,824,523 and 62,660,234 shares issued, respectively                           628,000                                        
  accumulated other comprehensive income, net of deferred tax benefit of 5,218 and 9,894, respectively                           14,911,000                                        
  treasury shares, at cost, 9,367,502 shares and 9,408,977 shares, respectively                           -418,007,000                                        
  total shareholders’ equity                           1,594,795,000 1,850,890,000 1,838,096,000 1,825,686,000 1,798,702,000 2,042,167,000 2,028,195,000 1,984,514,000 1,958,354,000 2,006,790,000 2,057,184,000 2,157,944,000 2,321,212,000 2,360,771,000 2,351,982,000 2,394,414,000 2,373,361,000 2,336,788,000 2,361,043,000 2,270,580,000 2,349,398,000 2,164,453,000 1,884,740,000 1,855,863,000 1,818,207,000 1,792,978,000 1,757,703,000              
  total liabilities and shareholders’ equity                           4,929,197,000 4,925,154,000 4,861,716,000 4,872,641,000 5,065,181,000 5,015,775,000 4,976,837,000 4,894,499,000 4,908,163,000 4,963,004,000 5,001,491,000 5,169,160,000 5,325,997,000 5,397,694,000 5,405,504,000 5,150,891,000 4,963,832,000 5,112,045,000 5,218,746,000 4,876,578,000 4,972,666,000 4,998,878,000 4,905,179,000 4,875,056,000 4,771,439,000 4,737,482,000 4,706,400,000              
  fixed maturities, available for sale, at fair value; amortized cost, 2,429,092 and 2,586,821, respectively                            2,468,350,000                                       
  equity securities, trading, at fair value; cost, 376,074 and 353,744, respectively                            411,796,000                                       
  other investments, 51,789 and 31,501 at fair value, respectively, otherwise at cost or amortized cost                            103,764,000                                       
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,822,376 and 62,660,234 shares issued, respectively                            628,000                                       
  accumulated other comprehensive income, net of deferred tax benefit of 13,985 and 9,894, respectively                            25,459,000                                       
  treasury shares, at cost, 9,408,925 shares and 9,408,977 shares, respectively                            -419,928,000 -419,928,000 -419,928,000                                     
  fixed maturities, available for sale, at fair value; amortized cost, 2,505,953 and 2,586,821, respectively                             2,546,107,000                                      
  equity securities, trading, at fair value; cost, 377,336 and 353,744, respectively                             410,906,000                                      
  other investments, 30,814 and 31,501 at fair value, respectively, otherwise at cost or amortized cost                             80,466,000                                      
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,822,081 and 62,660,234 shares issued, respectively                             628,000                                      
  accumulated other comprehensive income, net of deferred tax benefit of 14,358 and 9,894, respectively                             26,064,000                                      
  fixed maturities, available for sale, at fair value; amortized cost, 2,573,272 and 2,586,821, respectively                              2,604,429,000                                     
  equity securities, trading, at fair value; cost, 354,077 and 353,744, respectively                              391,206,000                                     
  other investments, 29,978 and 31,501 at fair value, respectively, otherwise at cost or amortized cost                              80,576,000                                     
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,805,233 and 62,660,234 shares issued, respectively                              628,000                                     
  accumulated other comprehensive income, net of deferred tax benefit of 11,375 and 9,894, respectively                              20,323,000                                     
  fixed maturities, available for sale, at fair value; amortized cost, 2,586,821 and 2,722,063, respectively                               2,613,406,000                                    
  equity securities, trading, at fair value; cost, 353,744 and 319,320, respectively                               387,274,000                                    
  other investments, 31,501 and 30,611 at fair value, respectively, otherwise at cost or amortized cost                               81,892,000                                    
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,660,234 and 62,503,255 shares issued, respectively                               627,000                                    
  accumulated other comprehensive income, net of deferred tax benefit of 9,894 and 12,972, respectively                               17,399,000                                    
  treasury shares, at cost, 9,408,977 shares and 9,402,697 shares, respectively                               -419,930,000                                    
  fixed maturities, available for sale, at fair value; amortized cost, 2,662,428 and 2,722,063, respectively                                2,750,601,000                                   
  equity securities, trading, at fair value; cost, 344,836 and 319,320, respectively                                365,490,000                                   
  other investments, 31,727 and 30,611 at fair value, respectively, otherwise at cost or amortized cost                                81,759,000                                   
  deferred tax liability                                2,011,000 8,755,000    11,142,000 18,818,000 21,062,000 32,023,000 24,231,000    27,422,000 14,585,000                     
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,653,647 and 62,503,255 shares issued, respectively                                627,000                                   
  accumulated other comprehensive income, net of deferred tax benefit of 30,086, and 12,972, respectively                                56,315,000                                   
  treasury shares, at cost, 9,447,155 shares and 9,402,697 shares, respectively                                -421,666,000 -421,666,000                                  
  fixed maturities, available for sale, at fair value; amortized cost, 2,691,341 and 2,722,063, respectively                                 2,787,261,000                                  
  equity securities, trading, at fair value; cost, 340,502 and 319,320, respectively                                 351,348,000                                  
  other investments, 30,267 and 30,611 at fair value, respectively, otherwise at cost or amortized cost                                 80,719,000                                  
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,650,759 and 62,503,255 shares issued, respectively                                 627,000                                  
  accumulated other comprehensive income, net of deferred tax benefit of 32,773 and 12,972, respectively                                 61,289,000                                  
  fixed maturities, available for sale, at fair value; amortized cost, 2,681,385 and 2,722,063, respectively                                  2,755,209,000                                 
  equity securities, trading, at fair value; cost, 324,731 and 319,320, respectively                                  328,472,000                                 
  other investments, 30,494 and 30,611 at fair value, respectively, otherwise at cost or amortized cost                                  80,700,000                                 
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,631,713 and 62,503,255 shares issued, respectively                                  626,000                                 
  accumulated other comprehensive income, net of deferred tax benefit of 25,232 and 12,972, respectively                                  47,115,000                                 
  treasury shares, at cost, 9,430,366 shares and 9,402,697 shares, respectively                                  -420,861,000                                 
  fixed maturities, available for sale, at fair value; amortized cost, 2,722,063 and 3,055,477, respectively                                   2,760,287,000                                
  equity securities, trading, at fair value; cost, 319,320 and 283,107, respectively                                   322,353,000                                
  other investments, 30,611 and 28,958 at fair value, respectively, otherwise at cost or amortized cost                                   79,133,000                                
  debt                                   350,000,000                                
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,503,255 and 62,297,214 shares issued, respectively                                   625,000                                
  accumulated other comprehensive income, net of deferred tax benefit of 12,972 and 31,342, respectively                                   23,855,000                                
  treasury shares, at cost, 9,402,697 shares and 5,763,388 shares, respectively                                   -419,560,000                                
  fixed maturities, available for sale, at fair value; amortized cost, 2,769,432 and 3,055,477, respectively                                    2,826,179,000                               
  equity securities, trading, at fair value; cost, 334,036 and 283,107, respectively                                    317,886,000                               
  other investments, 29,480 and 28,958 at fair value, respectively, otherwise at cost or amortized cost                                    91,410,000                               
  long-term debt                                    350,000,000 350,000,000 250,000,000 250,000,000                 53,550,000 35,427,000 58,296,000 164,380,000 164,269,000 164,158,000 179,066,000 167,388,000 167,314,000 77,500,000 80,000,000 
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,498,192 and 62,297,214 shares issued, respectively                                    625,000                               
  accumulated other comprehensive income, net of deferred tax benefit of 19,051 and 31,342, respectively                                    36,096,000                               
  treasury shares, at cost, 9,348,376 shares and 5,763,388 shares, respectively                                    -417,342,000                               
  fixed maturities, available for sale, at fair value; amortized cost, 2,903,152 and 3,055,477, respectively                                     2,967,353,000                              
  equity securities, trading, at fair value; cost, 290,811 and 283,107 respectively                                     307,326,000                              
  other investments, 31,600 and 28,958 at fair value, respectively, otherwise at cost or amortized cost                                     91,110,000                              
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,496,623 and 62,297,214 shares issued, respectively                                     625,000                              
  accumulated other comprehensive income, net of deferred tax benefit of 21,784 and 31,342, respectively                                     41,049,000                              
  treasury shares, at cost, 8,481,567 shares and 5,763,388 shares, respectively                                     -375,465,000                              
  fixed maturities, available for sale, at fair value; amortized cost, 3,055,477 and 3,026,256, respectively                                      3,145,027,000                             
  equity securities, trading, at fair value; cost, 283,107 and 203,308, respectively                                      314,482,000                             
  other investments, 28,958 at fair value at december 31, 2014, otherwise at cost or amortized cost                                      86,057,000                             
  restricted cash                                          78,000,000                         
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,297,214 and 62,096,787 shares issued, respectively                                      623,000                             
  accumulated other comprehensive income, net of deferred tax benefit of 31,342 and 32,127, respectively                                      58,204,000                             
  treasury shares, at cost, 5,763,388 shares and 900,281 shares, respectively                                      -252,164,000                             
  fixed maturities, available for sale, at fair value; amortized cost, 3,143,726 and 3,026,256, respectively                                       3,246,820,000                            
  equity securities, trading, at fair value; cost, 274,324 and 203,308, respectively                                       306,631,000                            
  other investments, 30,058 at fair value at september 30, 2014, otherwise at cost or amortized cost                                       92,010,000                            
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,283,426 and 62,096,787 shares issued, respectively                                       623,000                            
  accumulated other comprehensive income, net of deferred tax benefit of 35,591 and 32,127, respectively                                       67,007,000                            
  treasury shares, at cost, 4,596,000 shares and 900,281 shares, respectively                                       -198,378,000                            
  fixed maturities, available for sale, at fair value; amortized cost, 3,147,334 and 3,026,256, respectively                                        3,272,990,000                           
  equity securities, trading, at fair value; cost, 258,377 and 203,308, respectively                                        301,114,000                           
  other investments, 31,544 at fair value at june 30, 2014, otherwise at cost or amortized cost                                        93,478,000                           
  long-term debt, at amortized cost                                        250,000,000 250,000,000 250,000,000  125,000,000 125,000,000                      
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,283,343 and 62,096,787 shares issued, respectively                                        623,000                           
  accumulated other comprehensive income, net of deferred tax benefit of 43,376 and 32,127, respectively                                        81,653,000                           
  treasury shares, at cost, 3,601,764 shares and 900,281 shares, respectively                                        -153,646,000                           
  fixed maturities, available for sale, at fair value; amortized cost, 3,147,859 and 3,026,256, respectively                                         3,256,180,000                          
  equity securities, trading, at fair value; cost, 241,221 and 203,308, respectively                                         278,514,000                          
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,269,362 and 62,096,787 shares issued, respectively                                         623,000                          
  accumulated other comprehensive income, net of deferred tax benefit of 37,676 and 32,127, respectively                                         70,406,000                          
  treasury shares, at cost, 2,738,289 shares and 900,281 shares, respectively                                         -115,023,000                          
  fixed maturities, available for sale, at fair value; amortized cost, 3,026,256 and 3,224,332, respectively                                          3,118,049,000                         
  equity securities, trading, at fair value; cost, 203,308 and 187,891, respectively                                          253,541,000                         
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,096,787 and 61,867,034 shares issued, respectively                                          621,000                         
  accumulated other comprehensive income, net of deferred tax benefit of 32,127 and 78,284, respectively                                          59,661,000                         
  treasury shares, at cost, 900,281 shares and 243,530 shares, respectively                                          -31,365,000                         
  fixed maturities, available for sale, at fair value; amortized cost, 3,104,248 and 3,224,332, respectively                                           3,212,057,000                        
  equity securities, trading, at fair value; cost, 211,188 and 187,891, respectively                                           249,699,000                        
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,092,164 and 61,867,034 shares issued, respectively                                           621,000                        
  accumulated other comprehensive income, net of deferred tax benefit of 37,733 and 78,284, respectively                                           70,073,000                        
  treasury shares, at cost, 418,240 shares and 243,530 shares, respectively                                           -8,020,000                        
  fixed maturities, available for sale, at fair value; amortized cost, 3,418,947 and 3,224,332, respectively                                            3,534,433,000                       
  equity securities, trading, at fair value; cost, 221,674 and 187,891, respectively                                            256,832,000                       
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,077,867 and 61,867,034 shares issued, respectively                                            621,000                       
  accumulated other comprehensive income, net of deferred tax benefit of 40,420 and 78,284, respectively                                            75,062,000                       
  treasury shares, at cost, 243,530 shares                                            -56,000 -56,000                      
  fixed maturities, available for sale, at fair value; amortized cost, 3,415,342 and 3,224,332, respectively                                             3,627,080,000                      
  equity securities, trading, at fair value; cost, 222,167 and 187,891, respectively                                             257,745,000                      
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 62,060,426 and 61,867,034 shares issued, respectively                                             621,000                      
  accumulated other comprehensive income, net of deferred tax benefit of 74,108 and 78,284, respectively                                             137,626,000                      
  fixed maturities, available for sale, at fair value; amortized cost, 3,224,332 and 3,465,720, respectively                                              3,447,999,000                     
  equity securities, available for sale, at fair value; cost, 6 at december 31, 2011                                                                   
  equity securities, trading, at fair value; cost, 187,891 and 101,078, respectively                                              202,618,000                     
  long-term debt, 125,000 and 35,507 at amortized cost, respectively; and 14,180 at fair value at december 31, 2011                                              125,000,000                     
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 61,867,034 and 69,102,988 shares issued, respectively                                              619,000                     
  accumulated other comprehensive income, net of deferred tax benefit of 78,284 and 70,022, respectively                                              145,380,000                     
  treasury shares, at cost, 243,530 shares and 7,995,902 shares, respectively                                              -56,000                     
  fixed maturities, available for sale, at fair value; amortized cost, 3,325,657 and 3,465,720, respectively                                               3,570,179,000                    
  equity securities, trading, at fair value; cost, 169,144 and 101,078, respectively                                               183,978,000                    
  deferred taxes                                               7,962,000 30,989,000 45,267,000 56,862,000 33,478,000 41,697,000 55,910,000 68,806,000 65,259,000 104,042,000 124,105,000 135,447,000 108,613,000 93,627,000 103,105,000 121,025,000 122,419,000 115,734,000 83,809,000 97,483,000 
  long-term debt, 35,507 at amortized cost and 14,180 at fair value at december 31, 2011                                                                   
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 34,721,820 and 34,551,494 shares issued, respectively                                               347,000                    
  accumulated other comprehensive income, net of deferred tax benefit of 85,583 and 70,022, respectively                                               158,936,000                    
  treasury shares, at cost, 3,997,951 shares                                               -204,408,000                    
  fixed maturities available for sale, at fair value                                                3,665,763,000 3,635,683,000 3,603,754,000 3,452,106,000   3,442,995,000    3,041,171,000 3,172,913,000 3,241,680,000 3,244,593,000 3,052,315,000 2,706,642,000 2,459,618,000 1,356,173,000 1,339,938,000 
  equity securities, available for sale, at fair value                                                25,000 152,000 3,637,000  3,290,000 3,732,000 3,579,000 3,798,000 6,954,000 4,793,000 8,538,000 16,056,000 8,683,000 7,597,000 11,408,000 9,988,000    
  equity securities, trading, at fair value                                                103,133,000 36,336,000 37,286,000 32,214,000 23,871,000 46,181,000 43,826,000 39,353,000 32,607,000 11,533,000 15,160,000 16,054,000 15,111,000 14,173,000 5,862,000 5,409,000    
  long-term debt, 35,507 and 35,488, at amortized cost, respectively; 14,180 and 15,616 at fair value, respectively                                                49,687,000                   
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 34,551,494, and 34,419,383 shares issued, respectively                                                346,000                   
  accumulated other comprehensive income, net of deferred tax benefit of 70,022 and 42,607, respectively                                                130,037,000                   
  treasury shares, at cost, 3,997,951 shares and 3,666,149 shares, respectively                                                -204,408,000                   
  long-term debt, 35,494 and 35,488, at amortized cost, respectively; 15,555 and 15,616 at fair value, respectively                                                 51,049,000                  
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 34,499,377 and 34,419,383 shares issued, respectively                                                 345,000                  
  accumulated other comprehensive income, net of deferred tax benefit of 40,296 and 42,607, respectively                                                 74,833,000                  
  treasury shares, at cost, 3,924,970 shares and 3,666,149 shares, respectively                                                 -199,281,000                  
  amortizable intangible assets                                                  45,781,000 8,456,000 8,842,000 9,609,000 9,973,000             
  long-term debt, 35,488 and 35,463, at amortized cost, respectively; 15,616 and 14,740 at fair value, respectively                                                  51,104,000                 
  common shares, par value 0.01 per share, 100,000,000 shares authorized, 34,419,383 and 34,223,346 shares issued, respectively                                                  344,000                 
  accumulated other comprehensive income, net of deferred tax benefit of 42,607 and 31,908, respectively                                                  79,124,000                 
  treasury shares, at cost, 3,666,149 shares and 1,811,356 shares, respectively                                                  -183,844,000                 
  equity securities available for sale, at fair value                                                   3,257,000             10,119,000 99,796,000 96,630,000 
  long-term debt, 35,484 and 35,463, at amortized cost, respectively; 15,741 and 14,740 at fair value, respectively                                                   51,225,000                
  common stock                                                   343,000 343,000 343,000 342,000 342,000 342,000  341,000 337,000 337,000 336,000 333,000 313,000 313,000 260,000  
  accumulated other comprehensive income, net of deferred tax benefit of 71,357 and 31,908, respectively                                                   132,517,000                
  treasury stock                                                   -171,923,000 -116,665,000 -77,497,000 -77,497,000 -63,596,000 -61,526,000 -44,094,000 -23,211,000 -117,249,000 -77,693,000 -54,257,000      
  fixed maturities, available for sale, at fair value                                                    3,457,116,000 3,530,644,000  3,524,404,000 3,349,639,000 3,039,373,000          
  long-term debt, 35,479 and 35,463, at amortized cost, respectively; 15,107 and 14,740 at fair value, respectively                                                    50,586,000               
  accumulated other comprehensive income, net of deferred tax benefit of 56,346 and 31,908, respectively                                                    104,639,000               
  long-term debt, 35,467 and 35,463, at amortized cost, respectively; 15,296 and 14,740 at fair value, respectively                                                     50,763,000              
  accumulated other comprehensive income, net of deferred tax benefit of 39,039 and 31,908 respectively                                                     72,498,000              
  liabilities and stockholders’ equity                                                                   
  long-term debt, 35,463 and 34,930, at amortized cost, respectively; 14,740 and 0 at fair value, respectively                                                      50,203,000             
  stockholders’ equity                                                                   
  accumulated other comprehensive income, net of deferred tax benefit of 31,908 and (19,328) respectively                                                      59,254,000             
  total stockholders’ equity                                                      1,704,595,000 1,649,460,000 1,527,671,000 1,462,064,000 1,332,915,000 1,254,607,000 1,275,855,000 1,255,070,000 1,081,961,000 910,003,000 892,271,000 426,831,000 410,108,000 
  total liabilities and stockholders’ equity                                                      4,647,414,000 4,669,440,000 4,598,409,000 4,322,067,000 4,340,362,000 4,376,974,000 4,473,964,000 4,439,836,000      
  amortizable intangibles                                                       10,305,000 10,653,000           
  long-term debt, at amortized cost, excluding 14.3 million and 0 carried at fair value, respectively                                                       49,725,000            
  accumulated other comprehensive income, net of deferred tax benefit of 41,137 and (19,328), respectively                                                       76,394,000            
  accumulated other comprehensive income, net of deferred tax benefit of 5,034 and (19,328) respectively                                                        9,345,000           
  100,000,000 shares authorized, 34,190,201 and 34,109,196 shares issued, respectively                                                         342,000          
  accumulated other comprehensive income, net of deferred tax benefit of (7,432) and (19,328) respectively                                                         -13,805,000          
  other                                                          51,008,000 52,008,000 52,591,000 54,939,000 48,094,000 48,170,000 48,014,000   
  policy liabilities and accruals:                                                                   
  accumulated other comprehensive income, net of deferred tax benefit of (30,054) and 5,334, respectively                                                          -55,817,000         
  accumulated other comprehensive income, net of deferred tax benefit of (8,078) and 5,334, respectively                                                           -15,006,000        
  commitments and contingencies                                                                   
  accumulated other comprehensive income, net of deferred tax benefit of 6,766 and 5,334, respectively                                                            12,561,000       
  accumulated other comprehensive income, net of deferred tax benefit of 5,334 and 62, respectively                                                             9,902,000      
  assets of discontinued operations                                                                   
  liabilities of discontinued operations                                                                   
  accumulated other comprehensive income, net of deferred tax benefit of 326 and (4,755), respectively                                                              602,000     
  less treasury stock, at cost, 121,765 shares                                                              -56,000 -56,000 -56,000   
  balance at december 31, 2005                                                              765,046,000 765,046,000 765,046,000   
  net income                                                              200,635,000 167,267,000 137,276,000  3,672,000 
  change in net unrealized gains on investments, after tax, net of reclassification adjustments:                                                                   
  continuing operations                                                              9,063,000 -29,032,000 -15,279,000   
  discontinued operations                                                              373,000 373,000 642,000   
  common stock issued as compensation                                                              3,027,000     
  equity issued in purchase transaction:                                                                   
  common stock issued                                                              99,128,000 2,479,000 2,477,000   
  stock-based compensation:                                                                   
  common stock options exercised                                                              239,000 278,000 114,000   
  balance at september 30, 2006                                                              1,081,961,000     
  investments:                                                                   
  liabilities:                                                                   
  stockholders’ equity:                                                                   
  accumulated other comprehensive income, net of deferred tax benefit of 20,187 and 4,755, respectively                                                               -37,493,000    
  balance at june 30, 2006                                                               910,003,000    
  equity securities, trading portfolio, at fair value                                                                5,542,000   
  accumulated other comprehensive income, net of deferred tax benefit of 12,982 and 4,755, respectively                                                                -24,113,000   
  change in fair value of securities available for sale, net of tax and reclassification adjustments:                                                                   
  balance at march 31, 2006                                                                892,271,000   
  minority interest                                                                 24,319,000 22,806,000 
  accumulated other comprehensive gain, net of deferred tax expense of 4,293 and 2,208, respectively                                                                 11,536,000  
  balance at december 31, 2001                                                                  413,231,000 
  change in fair value of securities available for sale, net of deferred taxes and minority interest                                                                   
  change in minority interest                                                                   
  common stock issued for compensation                                                                  962,000 
  stock options exercised                                                                  3,000 
  balance at june 30, 2002                                                                   
  accumulated other comprehensive gain, net of deferred tax benefit of (2,180) and 2,208, respectively                                                                  -4,227,000 
  comprehensive income:                                                                   
  comprehensive income                                                                  -4,088,000 
  balance at march 31, 2002                                                                  410,108,000 

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