7Baggers

Ecovyst Inc.
(NYSE:ECVT) 

ECVT stock logo

Ecovyst Inc. provides specialty catalysts and services in the United States, the Netherlands, the United Kingdom, and internationally. The company operates through two segments, Ecoservices and Catalyst Technologies. The Ecoservices segment offers sulfuric acid recycling services for production of a...

Founded: 2015
Full Time Employees: 833
CEO: Kurt J. Bitting  
Sector: Basic Materials
Industry: Specialty Chemicals
Materials
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At a glance:
Bull Thesis:
Bear Thesis:
Main Competitors:
Moat:
Income Statements:
Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 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 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 
                                       
      sales
    		214,952,000 199,433,000 204,907,000 200,128,000 162,197,000 181,961,000 179,175,000 182,820,000 160,537,000 172,808,000 173,326,000 184,110,000 160,874,000 182,740,000 232,533,000 225,172,000 179,714,000 170,197,000 167,428,000 146,952,000 126,624,000 5,921,000 380,319,000 359,525,000 361,598,000 352,375,000 423,801,000 431,675,000 359,221,000 380,041,000 427,203,000 434,713,000 366,197,000 358,074,000 391,829,000 
      cost of goods sold
    		178,538,000 152,681,000 152,832,000 150,406,000 136,582,000 128,028,000 124,472,000 129,157,000 121,314,000 125,491,000 120,142,000 123,140,000 124,381,000 133,373,000 164,864,000 165,313,000 131,979,000 115,772,000 113,784,000 108,479,000 96,505,000 10,504,000 283,818,000 266,686,000 272,999,000 271,155,000 310,904,000 316,180,000 278,311,000 292,432,000 319,703,000 326,309,000 288,076,000 273,923,000 289,270,000 
      gross profit
    		36,414,000 46,752,000 52,075,000 49,722,000 25,615,000 53,933,000 54,703,000 53,663,000 39,223,000 47,317,000 53,184,000 60,970,000 36,493,000 49,367,000 67,669,000 59,859,000 47,735,000 54,425,000 53,644,000 38,473,000 30,119,000 -4,583,000 96,501,000 92,839,000 88,599,000 81,220,000 112,897,000 115,495,000 80,910,000 87,609,000 107,500,000 108,404,000 78,121,000 84,151,000 102,559,000 
      yoy
    		42.16% -13.31% -4.80% -7.34% -34.69% 13.98% 2.86% -11.98% 7.48% -4.15% -21.41% 1.86% -23.55% -9.29% 26.14% 55.59% 58.49% -1287.54% -44.41% -58.56% -66.01% -105.64% -14.52% -19.62% 9.50% -7.29% 5.02% 6.54% 3.57% 4.11% 4.82%     
      qoq
    		-22.11% -10.22% 4.73% 94.11% -52.51% -1.41% 1.94% 36.82% -17.11% -11.03% -12.77% 67.07% -26.08% -27.05% 13.05% 25.40% -12.29% 1.46% 39.43% 27.74% -757.19% -104.75% 3.94% 4.79% 9.09% -28.06% -2.25% 42.75% -7.65% -18.50% -0.83% 38.76% -7.17% -17.95%  
      selling, general and administrative expenses
    		19,126,000 16,248,000 15,658,000 22,661,000 21,345,000 19,616,000 19,950,000 22,707,000 21,604,000 19,755,000 16,945,000 21,395,000 21,119,000 17,555,000 21,460,000 22,783,000 23,536,000 28,959,000 24,836,000 21,856,000 22,130,000 6,000,000 37,070,000 38,926,000 43,298,000 43,269,000 39,528,000 43,375,000 40,708,000 42,388,000 42,145,000 43,477,000 40,618,000 39,200,000 36,169,000 
      other operating expense
    		4,751,000 8,693,000 8,142,000 9,252,000 5,182,000 9,565,000 3,212,000 3,108,000 3,666,000 4,812,000 4,310,000 6,262,000 6,716,000 9,810,000 7,673,000 9,665,000 7,763,000 7,487,000 6,314,000 4,965,000 5,507,000 3,927,000 12,382,000 12,735,000 21,942,000 7,487,000 15,795,000 1,819,000 10,739,000 -12,238,000 16,501,000 15,873,000 9,314,000 17,069,000 19,833,000 
      operating income
    		12,537,000 21,811,000 28,275,000 17,809,000 -912,000 24,752,000 31,541,000 27,848,000 13,953,000 22,750,000 31,929,000 33,313,000 8,658,000 22,002,000 38,536,000 27,411,000 16,436,000 17,979,000 22,494,000 11,652,000 2,482,000 -274,510,000 47,049,000 41,178,000 23,359,000 30,464,000 57,574,000 70,301,000 29,463,000 57,459,000 48,854,000 49,054,000 28,189,000 27,882,000 46,557,000 
      yoy
    		-1474.67% -11.88% -10.35% -36.05% -106.54% 8.80% -1.22% -16.41% 61.16% 3.40% -17.15% 21.53% -47.32% 22.38% 71.32% 135.25% 562.21% -106.55% -52.19% -71.70% -89.37% -1001.10% -18.28% -41.43% -20.72% -46.98% 17.85% 43.31% 4.52% 106.08% 4.93%     
      qoq
    		-42.52% -22.86% 58.77% -2052.74% -103.68% -21.52% 13.26% 99.58% -38.67% -28.75% -4.15% 284.77% -60.65% -42.91% 40.59% 66.77% -8.58% -20.07% 93.05% 369.46% -100.90% -683.46% 14.26% 76.28% -23.32% -47.09% -18.10% 138.61% -48.72% 17.61% -0.41% 74.02% 1.10% -40.11%  
      interest expense
    		3,172,000 9,401,000 8,368,000 11,117,000 11,010,000 11,817,000 11,305,000 12,895,000 13,409,000 13,918,000 11,811,000 9,168,000 9,832,000 10,337,000 9,542,000 8,888,000 8,450,000 8,788,000 9,005,000 8,741,000 10,456,000 1,607,000 18,642,000 22,275,000 24,455,000 26,670,000 27,697,000 28,540,000 28,618,000 29,101,000 28,238,000 27,221,000 29,163,000 35,003,000 49,079,000 
      debt modification and extinguishment costs
    		 4,578,000   960,000                               
      other expense
    		30,000 -342,000 -660,000 570,000 183,000 -1,951,000 566,000 410,000 216,000 62,000 361,000 610,000 -427,000 -2,339,000 1,872,000 485,000 140,000 1,430,000 -218,000 -1,875,000 5,174,000 -1,812,000 -4,988,000 -2,114,000 2,805,000 -3,988,000 1,834,000 3,035,000 -2,979,000 -2,037,000 2,451,000 5,691,000 4,972,000 4,241,000 5,126,000 
      income from continuing operations before income taxes
    		9,335,000 8,174,000 20,567,000                                 
      provision for income taxes
    		3,589,000 -476,000 20,195,000 2,064,000 -552,000 -7,126,000 4,497,000 3,080,000 1,179,000 -6,840,000 7,891,000 8,787,000 947,000 2,957,000 8,966,000 7,297,000 5,720,000 7,052,000 2,591,000 7,694,000  -77,575,000 11,764,000 16,262,000 1,427,000 1,227,000 16,718,000 20,307,000 2,447,000 7,405,000 8,470,000 13,649,000  -124,466,000 5,172,000 
      net income from continuing operations
    		5,746,000 8,650,000 372,000           21,350,000 21,325,000 19,245,000 7,875,000 7,723,000 4,689,000 -7,870,000 -2,748,000               
      net income from discontinued operations, net of tax
    		-1,432,000 -2,910,000 -79,627,000               17,712,000 -75,872,000 6,520,000 -89,770,000               
      net income
    		4,314,000 5,740,000 -79,255,000 5,986,000 -3,597,000 -30,419,000 14,251,000 8,295,000 1,221,000 29,929,000 16,574,000 26,122,000  25,252,000 21,325,000 19,245,000 7,875,000 25,435,000 -71,183,000 -1,350,000 -92,518,000 -306,270,000 7,810,000 16,247,000 509,000 19,331,000 26,819,000 30,719,000 3,441,000 28,470,000 14,436,000 16,159,000 556,000 65,564,000 -3,016,000 
      yoy
    		-219.93% -118.87% -656.14% -27.84% -394.59% -201.64% -14.02% -68.25%  18.52% -22.28% 35.73%  -0.72% -129.96% -1525.56% -108.51% -108.30% -1011.43% -108.31% -18276.42% -1684.35% -70.88% -47.11% -85.21% -32.10% 85.78% 90.10% 518.88% -56.58% -578.65%     
      qoq
    		-24.84% -107.24% -1424.01% -266.42% -88.18% -313.45% 71.80% 579.36% -95.92% 80.58% -36.55%   18.42% 10.81% 144.38% -69.04% -135.73% 5172.81% -98.54% -69.79% -4021.51% -51.93% 3091.94% -97.37% -27.92% -12.70% 792.73% -87.91% 97.22% -10.66% 2806.29% -99.15% -2273.87%  
      net income per share
    		                                   
      basic income per share - continuing operations
    		0.05 -0.005                -0.01 0.03 -0.06                
      diluted income per share - continuing operations
    		0.05 -0.005                -0.01 0.03 -0.06                
      basic income per share - discontinued operations
    		-0.01 -0.16 -0.7               0.13 -0.56 0.05 -0.66               
      diluted income per share - discontinued operations
    		-0.01 -0.16 -0.69               0.14 -0.55 0.05 -0.66               
      basic income per share
    		0.04 0.04 -0.7 0.05 -0.03 -0.26 0.12 0.07 0.01 0.25 0.14 0.22 -0.01 0.19 0.16 0.14 0.06 0.19 -0.52 -0.01  -2.23 0.06 0.12  0.113 0.2 0.23 0.02 0.21 0.11 0.12    
      diluted income per share
    		0.04 0.05 -0.69 0.05 -0.03 -0.26 0.12 0.07 0.01 0.26 0.14 0.22 -0.01 0.2 0.16 0.14 0.06 0.2 -0.52 -0.01  -2.23 0.06 0.12  0.113 0.2 0.23 0.02 0.21 0.11 0.12    
      weighted-average shares outstanding:
    		                                   
      basic
    		110,693,992 115,291,879 113,901,834 116,232,528 117,264,124 116,719,437 116,490,634 116,912,332 116,955,043 118,367,214 116,446,085 118,651,402 122,178,867 133,601,322 132,622,105 138,035,764 137,684,773 136,167,384 136,129,591 136,095,060 136,006,082 135,528,977 135,106,969 135,083,126 135,240,897 134,389,667 134,511,819 134,142,552 133,946,308 133,380,567 133,336,352 133,222,463 133,154,144 111,299,670 104,096,837 
      diluted
    		111,792,774 115,957,562 114,869,273 116,535,060 117,264,124 116,719,437 117,187,054 117,635,289 117,451,149 119,487,709 117,374,347 119,920,742 122,178,867 135,088,172 134,096,839 139,149,560 138,749,065 137,708,931 137,354,427 136,095,060 136,006,082 135,528,977 135,979,118 135,671,830 136,086,082 135,548,694 135,649,710 135,323,024 134,894,354 134,684,931 134,576,162 134,209,740 133,884,983 111,669,037 104,096,837 
      equity in net (income) from affiliated companies
    		   -1,928,000 -8,916,000 -12,569,000 922,000 -1,392,000 -2,072,000 -14,319,000 -4,708,000 -11,374,000 -223,000 -4,355,500 -3,169,000 -8,504,000 -5,749,000 -5,180,750 -8,758,000 -6,755,000 -5,210,000 -5,006,250 -183,000 -11,492,000 -8,350,000 -7,906,250 -17,261,000 -12,300,000 -2,064,000 -7,780,750 -5,605,000 -13,666,000 -11,852,000   
      income before income taxes
    		   8,050,000 -4,149,000 -37,545,000 18,748,000 11,375,000 2,400,000 23,089,000 24,465,000 34,909,000 -524,000                       
      debt extinguishment costs
    		       4,560,000           15,185,000 11,717,000  8,511,000 14,004,000  2,513,000 1,633,000 1,767,000   1,008,000 864,000  5,879,000 61,433,000 453,000 
      net income attributable to ecovyst inc.
    		            -1,471,000 25,252,000 21,325,000 19,245,000 7,875,000 25,435,000 -71,259,000 -1,490,000                
      income from continuing operations before income taxes and noncontrolling interest
    		             24,307,000 30,291,000 26,542,000 13,595,000 14,775,000 7,280,000 -176,000                
      net loss from discontinued operations, net of tax
    		                                   
      less: net income attributable to the noncontrolling interest—discontinued operations
    		                                   
      income from continuing operations attributable to ecovyst inc.
    		             21,350,000 21,325,000 19,245,000 7,875,000 -1,482,250 4,689,000 -7,870,000                
      loss from discontinued operations attributable to ecovyst inc.
    		                                   
      basic income per share—continuing operations
    		             0.16 0.16 0.14 0.06                   
      diluted income per share—continuing operations
    		             0.17 0.16 0.14 0.06                   
      basic loss per share—discontinued operations
    		                                   
      diluted loss per share—discontinued operations
    		                                   
      income from discontinued operations attributable to ecovyst inc.
    		                 -39,863,750 -75,948,000 6,380,000                
      less: net income attributable to the noncontrolling interest - discontinued operations
    		                  76,000 140,000 117,000               
      loss from continuing operations before income taxes and noncontrolling interest
    		                    -7,938,000               
      benefit for income taxes
    		                    -5,190,000               
      net income attributable to pq group holdings inc.
    		                    -92,635,000 -302,433,000 7,512,000 15,926,000 224,000 19,101,000 26,713,000 30,574,000 3,151,000 28,119,000 14,185,000 15,782,000 214,000   
      loss from continuing operations attributable to pq group holdings inc.
    		                    -2,748,000               
      income from discontinued operations attributable to pq group holdings inc.
    		                    -89,887,000               
      basic loss per share - continuing operations
    		                    -0.02               
      diluted loss per share - continuing operations
    		                    -0.02               
      basic loss per share
    		                    -0.68             -0.018 -0.03 
      diluted loss per share
    		                    -0.68             -0.018 -0.03 
      income before income taxes and noncontrolling interest
    		                     13,504,750 19,574,000 32,509,000 1,936,000 20,558,000 43,537,000 51,026,000 5,888,000 35,875,000 22,906,000 29,808,000 27,000 -58,902,000 2,156,000 
      less: net income attributable to the noncontrolling interest
    		                     226,000 298,000 321,000 285,000 230,000 106,000 145,000 290,000 351,000 251,000 377,000 342,000 553,000 329,000 
      benefit from income taxes
    		                                -529,000   
      equity in net loss from affiliated companies
    		                                 -6,219,750 -10,257,000 
      net loss attributable to pq group holdings inc.
    		                                 -1,852,000 -3,345,000 
      net loss per common share:
    		                                   
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 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 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 
                                         
        assets
      		                                   
        cash and cash equivalents
      		162,552,000 197,193,000 81,976,000 69,597,000 127,478,000 146,013,000 123,474,000 83,318,000 103,136,000 88,365,000 38,317,000 29,232,000 61,619,000 110,920,000 121,446,000 151,228,000 129,748,000 140,889,000 104,752,000 55,757,000 55,171,000 135,531,000 164,348,000 88,640,000 107,667,000 72,284,000 78,510,000 82,200,000 52,341,000 57,854,000 56,684,000 52,553,000 58,834,000 66,195,000 68,838,000 
        accounts receivable
      		94,102,000 85,313,000 83,272,000 103,472,000 76,940,000 77,937,000 74,023,000 85,218,000 78,432,000 81,314,000 83,793,000 78,171,000 66,609,000 74,758,000 106,969,000 113,177,000 91,106,000  81,131,000 66,050,000 56,987,000  196,082,000 197,777,000 197,080,000  214,626,000 243,744,000        
        inventories
      		32,236,000 26,803,000 24,134,000 66,900,000 58,788,000 57,126,000 53,709,000 52,027,000 52,503,000 45,115,000 48,263,000 47,550,000 45,828,000 44,362,000 49,729,000 56,214,000 54,748,000 53,813,000 48,068,000 47,952,000 48,934,000 127,436,000 249,662,000 266,620,000 265,042,000 280,945,000 259,766,000 275,208,000 283,549,000 264,748,000 249,298,000 268,413,000 283,790,000 262,388,000 235,921,000 
        derivative assets
      		1,785,000 1,312,000 2,370,000 4,007,000 5,109,000 6,532,000 6,192,000 12,270,000 13,490,000 13,419,000 16,374,000 17,329,000 15,996,000 18,510,000                      
        prepaid and other current assets
      		13,619,000 8,736,000 13,495,000 25,437,000 23,648,000 16,106,000 26,131,000 31,123,000 20,968,000 17,774,000 17,570,000 24,930,000 31,301,000 19,154,000 46,070,000 35,953,000 26,696,000 16,165,000 17,514,000 18,356,000 16,767,000 32,554,000 37,409,000 34,667,000 41,294,000 35,730,000 39,055,000 35,769,000 38,780,000 39,244,000 39,264,000 39,036,000 39,651,000 26,929,000 29,010,000 
        total current assets
      		304,294,000 319,357,000 297,060,000 269,413,000 291,963,000 303,714,000 283,529,000 263,956,000 268,529,000 245,987,000 204,317,000 197,212,000 221,353,000 267,704,000 324,214,000 356,572,000 302,298,000 291,669,000 251,465,000 387,328,000 369,239,000 428,140,000 647,501,000 587,704,000 611,083,000 568,591,000 591,957,000 636,921,000 570,332,000 558,616,000 575,634,000 602,016,000 589,643,000 548,968,000 545,787,000 
        property, plant and equipment
      		477,756,000 481,159,000 481,197,000 602,894,000 571,051,000 569,275,000 571,721,000 573,559,000 572,307,000 576,904,000 580,809,000 587,204,000 583,703,000 584,889,000 581,425,000 583,636,000 588,733,000 596,231,000 595,088,000 595,023,000 593,016,000 983,235,000 1,135,757,000 1,132,665,000 1,147,879,000 1,186,770,000 1,178,479,000 1,193,178,000 1,201,962,000 1,208,979,000 1,204,901,000 1,217,002,000 1,245,672,000 1,230,384,000 1,209,047,000 
        goodwill
      		326,744,000 326,744,000 326,952,000 406,749,000 404,910,000 404,102,000 405,792,000 404,275,000 404,252,000 404,470,000 403,368,000 404,220,000 403,762,000 403,163,000 401,152,000 403,211,000 405,304,000 406,139,000 406,128,000 429,705,000 429,505,000 717,738,000 1,263,853,000 1,254,998,000 1,248,734,000 1,259,805,000 1,251,296,000 1,258,241,000 1,257,034,000 1,254,929,000 1,262,979,000 1,260,286,000 1,273,589,000 1,305,956,000 1,306,547,000 
        other intangible assets
      		56,589,000 59,288,000 62,076,000 94,777,000 95,243,000 98,413,000 106,588,000 109,422,000 112,928,000 116,550,000 119,522,000 123,461,000 126,739,000 129,932,000 132,347,000 136,967,000 141,654,000 145,617,000 149,148,000 131,812,000 134,661,000 526,303,000 638,772,000 643,226,000 652,315,000 676,385,000 683,296,000 702,062,000 714,113,000 728,436,000 747,352,000 759,637,000 785,034,000 786,144,000 800,423,000 
        right-of-use lease assets
      		43,180,000 37,935,000 40,535,000 37,129,000 33,570,000 33,558,000 25,686,000 24,301,000 25,813,000 24,281,000 26,431,000 29,649,000 27,575,000 28,265,000 29,712,000 30,039,000 30,948,000 30,115,000 30,972,000 30,843,000 31,711,000 48,239,000 56,232,000 50,293,000 53,655,000 57,295,000 54,238,000         
        other long-term assets
      		38,054,000 36,495,000 37,904,000 38,941,000 39,674,000 43,951,000 36,315,000 35,239,000 33,813,000 29,361,000 36,609,000 33,923,000 29,745,000 34,587,000 36,282,000 31,023,000 30,237,000 15,374,000 14,765,000 19,405,000 15,142,000 35,714,000 102,873,000 101,656,000 103,956,000 99,070,000 129,069,000 118,855,000 117,534,000 108,254,000 98,167,000 98,219,000 96,903,000 74,727,000 74,433,000 
        total assets
      		1,246,617,000 1,260,978,000 1,734,775,000 1,796,398,000 1,786,922,000 1,802,321,000 1,840,031,000 1,819,939,000 1,830,813,000 1,837,751,000 1,812,825,000 1,814,038,000 1,830,049,000 1,884,553,000 1,931,795,000 1,967,785,000 1,935,248,000 1,931,219,000 1,902,831,000 3,087,598,000 3,063,977,000 3,197,821,000 4,324,442,000 4,247,210,000 4,296,871,000 4,320,845,000 4,365,479,000 4,441,639,000 4,382,276,000 4,327,425,000 4,356,591,000 4,414,505,000 4,462,677,000 4,415,455,000 4,415,603,000 
        liabilities
      		                                   
        accounts payable
      		49,744,000 48,048,000 47,084,000 47,936,000 34,527,000 43,928,000 33,389,000 34,195,000 33,544,000 40,195,000 32,308,000 34,615,000 34,130,000 40,019,000 52,026,000 57,938,000 52,525,000 51,860,000 49,235,000 43,441,000 42,012,000 112,333,000 116,797,000 109,231,000 127,320,000 144,365,000 132,096,000 135,595,000 136,356,000 148,365,000 129,188,000 139,731,000 136,033,000 149,326,000 129,793,000 
        operating lease liabilities—current
      		10,260,000 9,495,000 9,854,000 8,979,000 8,753,000 9,267,000 7,982,000 7,740,000 8,207,000 8,193,000 8,503,000 9,098,000 8,070,000 8,155,000 8,576,000 8,374,000 8,422,000 8,306,000 8,082,000 7,536,000 7,458,000 15,194,000 16,774,000 14,392,000 15,235,000 15,183,000 14,095,000 13,997,000 14,482,000       
        accrued liabilities
      		67,919,000 63,272,000 48,714,000 54,042,000 52,023,000 53,201,000 61,713,000 48,544,000 56,756,000 61,693,000 50,611,000 50,318,000 57,770,000 72,229,000 65,071,000 58,836,000 43,127,000 75,915,000 71,681,000 45,704,000 47,065,000 73,811,000 86,117,000 88,893,000 95,310,000 102,154,000 108,365,000 98,990,000 101,259,000 100,009,000 91,510,000 76,356,000 102,715,000 93,917,000 112,788,000 
        total current liabilities
      		127,923,000 120,815,000 132,087,000 119,687,000 104,033,000 115,126,000 111,814,000 97,027,000 107,507,000 119,081,000 100,422,000 103,031,000 108,970,000 129,403,000 134,673,000 134,148,000 113,074,000 145,081,000 137,998,000 200,017,000 192,622,000 201,338,000 234,226,000 221,118,000 246,354,000 269,468,000 262,766,000 258,615,000 262,809,000 255,611,000 242,070,000 270,158,000 290,670,000 288,409,000 296,836,000 
        long-term debt, excluding current portion
      		392,764,000 392,581,000 846,083,000 847,884,000 850,261,000 852,099,000 853,942,000 855,857,000 857,220,000 858,946,000 860,668,000 862,394,000 864,128,000 865,870,000 867,604,000 869,341,000 871,086,000 872,839,000 874,591,000 1,395,887,000 1,401,573,000 1,400,369,000 1,905,007,000 1,898,943,000 1,961,687,000 1,899,196,000 2,006,717,000 2,104,649,000 2,103,070,000 2,106,720,000 2,147,086,000 2,193,769,000    
        deferred income taxes
      		115,884,000 113,288,000 114,429,000 104,584,000 104,743,000 105,395,000 108,541,000 115,183,000 117,234,000 115,791,000 134,828,000 137,066,000 136,591,000 136,184,000 148,022,000 144,114,000 140,584,000 126,749,000 130,558,000 122,643,000 120,928,000 175,901,000 224,457,000 222,180,000 215,044,000 218,037,000 214,935,000 207,021,000 197,552,000 196,124,000 194,650,000 197,697,000 194,853,000 189,336,000 319,738,000 
        operating lease liabilities—noncurrent
      		33,085,000 28,666,000 30,850,000 28,156,000 24,689,000 24,189,000 17,582,000 16,419,000 17,446,000 16,030,000 17,871,000 20,493,000 19,440,000 20,021,000 21,024,000 21,528,000 22,366,000 21,719,000 22,777,000 23,204,000 24,079,000 32,019,000 38,341,000 34,799,000 38,083,000 40,156,000 38,473,000 39,352,000 40,971,000       
        other long-term liabilities
      		1,776,000 2,188,000 2,809,000 3,700,000 4,512,000 5,052,000 18,782,000 18,170,000 20,050,000 22,439,000 21,180,000 23,290,000 26,769,000 25,846,000 20,947,000 20,470,000 22,507,000 24,094,000 29,591,000 14,123,000 15,247,000 111,015,000 118,225,000 93,996,000 94,563,000 108,670,000 105,927,000 112,650,000 102,602,000 104,825,000 110,312,000 113,553,000 134,173,000 120,471,000 120,578,000 
        total liabilities
      		671,432,000 657,538,000 1,126,909,000 1,104,011,000 1,088,238,000 1,101,861,000 1,110,661,000 1,102,656,000 1,119,457,000 1,132,287,000 1,134,969,000 1,146,274,000 1,155,898,000 1,177,324,000 1,192,270,000 1,189,601,000 1,169,617,000 1,190,482,000 1,195,515,000 1,882,989,000 1,877,494,000 1,920,642,000 2,520,256,000 2,471,036,000 2,555,731,000 2,535,527,000 2,628,818,000 2,722,287,000 2,707,004,000 2,663,280,000 2,694,118,000 2,775,177,000 2,815,593,000 2,783,536,000 3,334,633,000 
        commitments and contingencies
      		                                   
        equity
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 140,872,846 and 140,872,846 on march 31, 2026 and december 31, 2025, respectively; outstanding shares 109,450,306 and 111,805,102 on march 31, 2026 and december 31, 2025, respectively
      		1,409,000                                   
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on march 31, 2026 and december 31, 2025
      		                                   
        additional paid-in capital
      		1,103,372,000 1,108,525,000 1,105,604,000 1,103,528,000 1,100,345,000 1,106,792,000 1,103,361,000 1,100,749,000 1,096,965,000 1,102,581,000 1,099,216,000 1,101,285,000 1,096,333,000 1,091,475,000 1,088,704,000 1,084,790,000 1,079,364,000 1,073,409,000 1,068,815,000 1,492,334,000 1,484,799,000 1,477,859,000 1,715,504,000 1,709,367,000 1,702,996,000 1,696,899,000 1,692,223,000 1,686,942,000 1,678,316,000 1,674,703,000 1,667,036,000 1,662,748,000 1,658,945,000 1,655,114,000 1,169,778,000 
        accumulated deficit
      		-244,320,000 -248,634,000 -254,374,000 -175,119,000 -181,105,000 -177,508,000 -147,089,000 -161,340,000 -169,635,000 -170,856,000 -200,785,000 -217,359,000 -243,481,000 -242,010,000 -267,262,000 -288,587,000 -307,832,000 -315,707,000 -341,142,000 -269,883,000 -268,393,000          -2,596,000 -16,781,000 -32,563,000 -32,777,000 -97,788,000 
        treasury stock
      		-289,461,000 -261,131,000 -240,902,000 -236,593,000 -214,784,000 -222,826,000 -223,055,000 -223,527,000 -218,599,000 -226,710,000 -226,710,000 -224,494,000 -180,340,000 -149,624,000 -86,594,000 -21,725,000 -12,883,000 -12,551,000 -12,551,000 -12,551,000 -12,551,000 -11,081,000 -10,534,000 -10,372,000 -10,372,000 -6,483,000 -5,155,000 -4,259,000 -4,259,000 -2,920,000 -768,000 -58,000 -58,000   
        accumulated other comprehensive income
      		4,185,000 3,271,000       1,216,000 -958,000 4,728,000 6,925,000 233,000 5,992,000 3,282,000 2,310,000 5,586,000             -39,104,000 -7,641,000 -12,178,000 13,843,000 4,311,000 2,978,000 
        total equity
      		575,185,000 603,440,000 607,866,000 692,387,000 698,684,000 700,460,000 729,370,000 717,283,000 711,356,000 705,464,000 677,856,000 667,764,000 674,151,000 707,229,000 739,525,000 778,184,000 765,631,000 740,737,000 707,316,000 1,204,609,000 1,186,483,000 1,277,179,000 1,804,186,000 1,776,174,000 1,741,140,000 1,785,318,000 1,736,661,000 1,719,352,000 1,675,272,000 1,664,145,000 1,662,473,000 1,639,328,000 1,647,084,000 1,631,919,000 1,080,970,000 
        total liabilities and equity
      		1,246,617,000 1,260,978,000 1,734,775,000 1,796,398,000 1,786,922,000 1,802,321,000 1,840,031,000 1,819,939,000 1,830,813,000 1,837,751,000 1,812,825,000 1,814,038,000 1,830,049,000 1,884,553,000 1,931,795,000 1,967,785,000 1,935,248,000 1,931,219,000 1,902,831,000 3,087,598,000 3,063,977,000 3,197,821,000 4,324,442,000 4,247,210,000 4,296,871,000 4,320,845,000 4,365,479,000 4,441,639,000 4,382,276,000 4,327,425,000 4,356,591,000 4,414,505,000 4,462,677,000 4,415,455,000 4,415,603,000 
        current assets held for sale
      		  91,813,000                 199,213,000 191,380,000               
        long-term assets held for sale
      		  489,051,000                 1,035,493,000 1,035,418,000               
        current maturities of long-term debt
      		  8,730,000 8,730,000 8,730,000 8,730,000 8,730,000 6,548,000 9,000,000 9,000,000 9,000,000 9,000,000 9,000,000 9,000,000 9,000,000 9,000,000 9,000,000 9,000,000 9,000,000 9,000,000                
        current liabilities held for sale
      		  17,705,000                 94,336,000 96,087,000               
        long-term liabilities held for sale
      		  651,000                 127,115,000 123,045,000               
        common stock (0.01 par); authorized shares 450,000,000; issued shares 140,872,846 and 140,872,846 on december 31, 2025 and 2024, respectively; outstanding shares 111,805,102 and 116,534,803 on december 31, 2025 and 2024, respectively
      		 1,409,000                                  
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on december 31, 2025 and 2024, respectively
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 140,872,846 and 140,872,846 on september 30, 2025 and december 31, 2024, respectively; outstanding shares 114,019,414 and 116,534,803 on september 30, 2025 and december 31, 2024, respectively
      		  1,409,000                                 
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on september 30, 2025 and december 31, 2024
      		                                   
        accumulated other comprehensive loss
      		  -3,871,000 -838,000 -7,181,000 -7,407,000 -5,256,000 -8,000          -5,792,000 -9,184,000 -5,929,000 -18,010,000 -15,265,000 -32,526,000 -46,714,000 -58,759,000 -15,348,000 -40,699,000 -27,213,000 -31,960,000       
        investments in affiliated companies
      		   346,495,000 350,511,000 349,308,000 410,400,000 409,187,000 413,171,000 440,198,000 441,769,000 438,369,000 437,172,000 436,013,000 426,663,000 426,337,000 436,074,000 446,074,000 455,265,000 457,989,000 455,285,000 458,452,000 479,454,000 476,668,000 479,249,000 472,929,000 477,144,000 477,287,000 464,128,000 468,211,000 467,558,000 477,345,000 471,836,000 469,276,000 479,366,000 
        common stock (0.01 par); authorized shares 450,000,000; issued shares 140,872,846 and 140,872,846 on june 30, 2025 and december 31, 2024, respectively; outstanding shares 114,487,661 and 116,534,803 on june 30, 2025 and december 31, 2024, respectively
      		   1,409,000                                
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on june 30, 2025 and december 31, 2024
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 140,872,846 and 140,872,846 on march 31, 2025 and december 31, 2024, respectively; outstanding shares 117,385,510 and 116,534,803 on march 31, 2025 and december 31, 2024, respectively
      		    1,409,000                               
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on march 31, 2025 and december 31, 2024
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 140,872,846 and 140,744,045 on december 31, 2024 and 2023, respectively; outstanding shares 116,534,803 and 116,116,895 on december 31, 2024 and 2023, respectively
      		     1,409,000                              
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on december 31, 2024 and 2023, respectively
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 140,872,846 and 140,744,045 on september 30, 2024 and december 31, 2023, respectively; outstanding shares 116,509,803 and 116,116,895 on september 30, 2024 and december 31, 2023, respectively
      		      1,409,000                             
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on september 30, 2024 and december 31, 2023
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 140,872,846 and 140,744,045 on june 30, 2024 and december 31, 2023, respectively; outstanding shares 116,466,232 and 116,116,895 on june 30, 2024 and december 31, 2023, respectively
      		       1,409,000                            
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on june 30, 2024 and december 31, 2023
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 140,872,846 and 140,744,045 on march 31, 2024 and december 31, 2023, respectively; outstanding shares 117,001,446 and 116,116,895 on march 31, 2024 and december 31, 2023, respectively
      		        1,409,000                           
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on march 31, 2024 and december 31, 2023
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 140,744,045 and 139,571,272 on december 31, 2023 and 2022, respectively; outstanding shares 116,116,895 and 122,186,238 on december 31, 2023 and 2022, respectively
      		         1,407,000                          
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on december 31, 2023 and 2022, respectively
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 140,744,045 and 139,571,272 on september 30, 2023 and december 31, 2022, respectively; outstanding shares 116,116,895 and 122,186,238 on september 30, 2023 and december 31, 2022, respectively
      		          1,407,000                         
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on september 30, 2023 and december 31, 2022
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 140,744,045 and 139,571,272 on june 30, 2023 and december 31, 2022, respectively; outstanding shares 116,263,742 and 122,186,238 on june 30, 2023 and december 31, 2022, respectively
      		           1,407,000                        
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on june 30, 2023 and december 31, 2022
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 140,604,563 and 139,571,272 on march 31, 2023 and december 31, 2022, respectively; outstanding shares 120,124,260 and 122,186,238 on march 31, 2023 and december 31, 2022, respectively
      		            1,406,000                       
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on march 31, 2023 and december 31, 2022
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 139,571,272 and 137,820,971 on december 31, 2022 and 2021, respectively; outstanding shares 122,186,238 and 136,938,758 on december 31, 2022 and 2021, respectively
      		             1,396,000                      
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on december 31, 2022 and 2021, respectively
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 139,485,868 and 137,820,971 on september 30, 2022 and december 31, 2021, respectively; outstanding shares 130,100,834 and 136,938,758 on september 30, 2022 and december 31, 2021, respectively
      		              1,395,000                     
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on september 30, 2022 and december 31, 2021
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 139,624,577 and 137,820,971 on june 30, 2022 and december 31, 2021, respectively; outstanding shares 137,817,183 and 136,938,758 on june 30, 2022 and december 31, 2021, respectively
      		               1,396,000                    
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on june 30, 2022 and december 31, 2021
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 139,611,212 and 137,820,971 on march 31, 2022 and december 31, 2021, respectively; outstanding shares 138,696,941 and 136,938,758 on march 31, 2022 and december 31, 2021, respectively
      		                1,396,000                   
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on march 31, 2022 and december 31, 2021
      		                                   
        accounts receivables
      		                 80,802,000    132,619,000    179,632,000          
        common stock (0.01 par); authorized shares 450,000,000; issued shares 137,820,971 and 137,102,143 on december 31, 2021 and 2020, respectively; outstanding shares 136,938,758 and 136,318,557 on december 31, 2021 and 2020, respectively
      		                 1,378,000                  
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on december 31, 2021 and 2020, respectively
      		                                   
        total ecovyst inc. equity
      		                 740,737,000 707,316,000 1,205,349,000                
        noncontrolling interest
      		                   -740,000 -740,000 53,000 3,699,000 3,362,000 2,665,000 5,868,000 5,015,000 5,319,000 5,190,000 4,585,000 5,090,000 4,245,000 5,565,000 3,919,000 4,940,000 
        common stock (0.01 par); authorized shares 450,000,000; issued shares 137,835,243 and 137,102,143 on september 30, 2021 and december 31, 2020, respectively; outstanding shares 136,953,030 and 136,318,557 on september 30, 2021 and december 31, 2020, respectively
      		                  1,378,000                 
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on september 30, 2021 and december 31, 2020
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 137,828,218 and 137,102,143 on june 30, 2021 and december 31, 2020, respectively; outstanding shares 136,946,005 and 136,318,557 on june 30, 2021 and december 31, 2020, respectively
      		                   1,378,000                
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on june 30, 2021 and december 31, 2020
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 137,815,163 and 137,102,143 on march 31, 2021 and december 31, 2020, respectively; outstanding shares 136,932,950 and 136,318,557 on march 31, 2021 and december 31, 2020, respectively
      		                    1,378,000               
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on march 31, 2021 and december 31, 2020
      		                                   
        total pq group holdings inc. equity
      		                    1,187,223,000 1,277,126,000 1,800,487,000 1,772,812,000 1,738,475,000 1,779,450,000 1,731,646,000 1,714,033,000 1,670,082,000 1,659,560,000 1,657,383,000 1,635,083,000 1,641,519,000 1,628,000,000 1,076,030,000 
        long-term liabilities of held for sale
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 137,102,143 and 136,861,382 on december 31, 2020 and 2019, respectively; outstanding shares 136,318,557 and 136,464,961 on december 31, 2020 and 2019, respectively
      		                     1,371,000              
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on december 31, 2020 and 2019, respectively
      		                                   
        (accumulated deficit) retained earnings
      		                     -175,758,000              
        notes payable and current maturities of long-term debt
      		                      14,538,000 8,602,000 8,489,000 7,766,000 8,210,000 10,033,000 10,712,000 7,237,000 21,372,000 54,071,000 51,922,000 45,166,000 54,255,000 
        common stock (0.01 par); authorized shares 450,000,000; issued shares 136,787,670 and 136,861,382 on september 30, 2020 and december 31, 2019, respectively; outstanding shares 136,056,817 and 136,464,961 on september 30, 2020 and december 31, 2019, respectively
      		                      1,368,000             
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on september 30, 2020 and december 31, 2019
      		                                   
        retained earnings
      		                      126,675,000 119,163,000 103,237,000 103,013,000 83,912,000 57,199,000 26,625,000 25,523,000      
        common stock (0.01 par); authorized shares 450,000,000; issued shares 136,763,507 and 136,861,382 on june 30, 2020 and december 31, 2019, respectively; outstanding shares 136,045,822 and 136,464,961 on june 30, 2020 and december 31, 2019, respectively
      		                       1,368,000            
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on june 30, 2020 and december 31, 2019
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 137,313,883 and 136,861,382 on march 31, 2020 and december 31, 2019, respectively; outstanding shares 136,596,198 and 136,464,961 on march 31, 2020 and december 31, 2019, respectively
      		                        1,373,000           
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on march 31, 2020 and december 31, 2019
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 136,861,382 and 135,758,269 on december 31, 2019 and 2018, respectively; outstanding shares 136,464,961 and 135,592,045 on december 31, 2019 and 2018, respectively
      		                         1,369,000          
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on december 31, 2019 and 2018, respectively
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 136,469,863 and 135,758,269 on september 30, 2019 and december 31, 2018, respectively; outstanding shares 136,157,186 and 135,592,045 on september 30, 2019 and december 31, 2018, respectively
      		                          1,365,000         
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on september 30, 2019 and december 31, 2018
      		                                   
        right-of-use lease asset
      		                           55,095,000 57,173,000       
        common stock (0.01 par); authorized shares 450,000,000; issued shares 136,355,874 and 135,758,269 on june 30, 2019 and december 31, 2018, respectively; outstanding shares 136,101,083 and 135,592,045 on june 30, 2019 and december 31, 2018, respectively
      		                           1,364,000        
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on june 30, 2019 and december 31, 2018
      		                                   
        receivables
      		                            195,662,000 196,770,000 230,388,000 242,014,000 207,368,000 193,456,000 212,018,000 
        common stock (0.01 par); authorized shares 450,000,000; issued shares 135,982,601 and 135,758,269 on march 31, 2019 and december 31, 2018, respectively; outstanding shares 135,727,810 and 135,592,045 on march 31, 2019 and december 31, 2018, respectively
      		                            1,360,000       
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on march 31, 2019 and december 31, 2018
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 135,758,269 and 135,244,379 on december 31, 2018 and 2017, respectively; outstanding shares 135,592,045 and 135,244,379 on december 31, 2018 and 2017, respectively
      		                             1,358,000      
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on december 31, 2018 and 2017
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 135,249,216 and 135,244,379 on september 30, 2018 and december 31, 2017, respectively; outstanding shares 135,206,108 and 135,244,379 on september 30, 2018 and december 31, 2017, respectively
      		                              1,352,000     
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on september 30, 2018 and december 31, 2017
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 135,143,229 and 135,244,379 on june 30, 2018 and december 31, 2017, respectively; outstanding shares 135,139,716 and 135,244,379 on june 30, 2018 and december 31, 2017, respectively
      		                               1,352,000    
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on june 30, 2018 and december 31, 2017
      		                                   
        long-term debt
      		                                2,195,897,000 2,185,320,000 2,597,481,000 
        common stock (0.01 par); authorized shares 450,000,000; issued shares 135,244,379 on march 31, 2018 and december 31, 2017; outstanding shares 135,240,866 and 135,244,379 on march 31, 2018 and december 31, 2017, respectively
      		                                1,352,000   
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on march 31, 2018 and december 31, 2017
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 135,244,379 and 106,452,330 on december 31, 2017 and december 31, 2016, respectively; outstanding shares 135,244,379 and 106,430,811 on december 31, 2017 and december 31, 2016, respectively
      		                                 1,352,000  
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on december 31, 2017 and december 31, 2016
      		                                   
        common stock (0.01 par); authorized shares 450,000,000; issued shares 106,219,759 and 106,452,330 on september 30, 2017 and december 31, 2016, respectively; outstanding shares 104,109,932 and 103,947,887 on september 30, 2017 and december 31, 2016, respectively
      		                                  1,062,000 
        preferred stock (0.01 par); authorized shares 50,000,000; no shares issued or outstanding on september 30, 2017 and december 31, 2016
      		                                   
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 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 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 
                                          
          cash flows from operating activities:
        		                                  
          net income
        		4,314,000 5,740,000 -79,255,000 5,986,000 -3,597,000 -30,419,000 14,251,000 8,295,000 1,221,000 29,929,000 16,574,000   25,252,000 21,325,000 19,245,000 7,875,000 25,435,000 -71,183,000 -1,350,000 -92,518,000 -306,270,000 7,810,000 16,247,000 509,000 19,331,000 26,819,000 30,719,000 3,441,000 28,470,000 14,436,000 16,159,000 556,000  
          net loss from discontinued operations
        		1,432,000                 -17,712,000 75,872,000 -6,520,000 89,770,000              
          net income from continuing operations
        		5,746,000 8,650,000                                 
          adjustments to reconcile net income to net cash from operating activities:
        		                                  
          depreciation
        		17,791,000 17,804,000 9,985,000 20,409,000 19,608,000 19,057,000 19,702,000 18,108,000 18,415,000 18,631,000 17,773,000 17,455,000 16,692,000 16,865,000 16,103,000 16,142,000 16,011,000 16,053,000 16,369,000 17,007,000 16,526,000 14,660,000 33,237,000 33,243,000 33,501,000 34,558,000 31,553,000 32,381,000 33,154,000 33,149,000 30,626,000 33,962,000 34,903,000 34,564,000 
          amortization
        		2,699,000 2,777,000 965,000 3,533,000 3,516,000 3,521,000 3,525,000 3,516,000 3,518,000 3,511,000 3,517,000 3,514,000 3,505,000 3,495,000 3,496,000 3,516,000 3,535,000 3,604,000 4,230,000 2,978,000 2,974,000 867,000 12,583,000 11,580,000 12,169,000 12,302,000 12,693,000 12,709,000 12,740,000 12,787,000 13,201,000 13,021,000 13,585,000 13,441,000 
          amortization of deferred financing costs and original issue discount
        		183,000 324,000 187,000 357,000 344,000 339,000 268,000 527,000 525,000 528,000 524,000 516,000 508,000 516,000 513,000 505,000 497,000 498,000 679,000 198,000 532,000 7,000 1,316,000 1,156,000 1,271,000 1,425,000 1,480,000 1,471,000 1,401,000 1,490,000 1,550,000 1,520,000 1,559,000 2,107,000 
          deferred income tax provision
        		1,929,000 13,266,000 17,570,000 588,000 782,000   -1,846,000 156,000 -16,061,000 -2,294,000 -1,507,000 2,790,000 -10,802,000 1,169,000 1,944,000 9,341,000 292,000 -23,000   -74,508,000 3,825,000 7,509,000 -1,519,000 1,486,000 5,978,000 9,663,000 1,181,000 1,951,000 -1,634,000    
          net loss on asset disposals
        		363,000 1,324,000 3,630,000 250,000 167,000 1,519,000 218,000 -34,000 648,000 811,000 1,020,000 1,128,000 1,178,000 2,420,000 468,000 573,000 133,000 1,131,000 2,156,000 1,601,000 778,000 -15,340,000 -4,453,000 -1,019,000 9,420,000 -5,371,000 1,142,000 -9,659,000 820,000 -4,532,000 5,202,000 4,752,000 1,152,000 -626,000 
          stock compensation
        		3,428,000 2,195,000 1,084,000 3,395,000 3,072,000 3,583,000 2,953,000 3,827,000 3,680,000 3,484,000 3,477,000 5,002,000 4,068,000 3,213,000 4,740,000 5,385,000 7,294,000 9,001,000 10,193,000 6,339,000 6,305,000 3,104,000 6,137,000 6,366,000 5,920,000 4,649,000 4,806,000 5,370,000 3,400,000 7,585,000 4,252,000 3,796,000 3,831,000 4,930,000 
          other
        		-2,534,000 1,844,000 -7,129,000 -1,155,000 1,084,000 -6,472,000 -10,075,000 6,601,000 -4,385,000 5,917,000 -11,525,000 10,038,000 -3,783,000 144,000 1,469,000 3,583,000 -6,841,000 -11,420,000 11,760,000 125,000 -3,395,000 -8,360,000 106,000 -531,000 -694,000 -5,443,000 3,469,000 -712,000 -3,644,000 4,956,000 -2,549,000 -996,000 -2,928,000 -561,000 
          working capital changes that provided (used) cash:
        		                                  
          receivables
        		-8,789,000 -1,727,000 -5,431,000 -16,278,000 1,318,000 -4,486,000 11,664,000 -6,873,000 2,797,000 2,846,000 -5,920,000 -11,383,000 8,364,000 33,946,000 4,709,000 -22,766,000 -10,386,000 354,000 -15,454,000 -8,972,000 -9,404,000 27,701,000 3,931,000 1,449,000 -26,050,000 37,010,000 23,789,000 -47,382,000 1,121,000 32,655,000 11,218,000 -43,259,000 -11,065,000 17,437,000 
          inventories
        		-5,433,000 -2,465,000 2,923,000 -4,575,000 -1,454,000 -3,776,000 -711,000 401,000 -7,094,000 2,510,000 -922,000 -1,664,000 -1,323,000 6,696,000 6,297,000 -2,057,000 -1,034,000 -5,489,000 619,000 937,000 4,564,000 779,000 17,889,000 460,000 -9,736,000 -17,150,000 10,398,000 6,961,000 -19,152,000 -17,758,000 18,631,000 9,686,000 -19,539,000 -26,097,000 
          prepaids and other current assets
        		-5,012,000 -1,330,000 2,888,000 2,949,000 -5,469,000 11,703,000 -3,809,000 -1,199,000 -3,258,000 -1,841,000 6,580,000 4,008,000 -9,732,000 5,228,000 -5,176,000 3,543,000 -3,590,000 578,000 -6,649,000 476,000 -2,232,000 2,391,000 -417,000 784,000 -742,000 988,000 -1,915,000 -707,000 2,890,000 -4,793,000 2,057,000 1,100,000 -4,712,000 2,566,000 
          accounts payable
        		1,116,000 931,000 8,123,000 12,494,000 -6,017,000 8,173,000 -2,517,000 614,000 -3,903,000 6,045,000 -2,226,000 478,000 -1,946,000 -12,081,000 -7,717,000 7,517,000 2,154,000 -90,000 7,477,000 -2,033,000 4,652,000 14,239,000 5,246,000 -13,993,000 -1,329,000 1,764,000 -3,883,000 3,709,000 -3,898,000 7,448,000 -8,554,000 8,004,000 -7,044,000 13,387,000 
          accrued liabilities
        		8,133,000 -7,626,000 13,775,000 -3,278,000 -4,287,000 -16,909,000 25,929,000 -25,664,000 -1,914,000 4,748,000 9,805,000 -15,104,000 -14,084,000 6,685,000 10,920,000 2,858,000 -27,911,000 5,086,000 10,615,000 -1,146,000 -1,958,000 3,542,000 -1,729,000 -7,058,000 -8,190,000 -6,135,000 10,306,000 -2,914,000 -777,000 3,598,000 15,549,000 -22,688,000 7,546,000 -20,008,000 
          net cash from operating activities, continuing operations
        		19,620,000 40,545,000            70,970,000 56,470,000 46,432,000 6,423,000 45,052,000 55,065,000 20,675,000 16,546,000              
          net cash from operating activities, discontinued operations
        		-2,682,000 1,213,000                0 -19,497,000 11,200,000 877,000              
          net cash from operating activities
        		16,938,000 41,758,000 55,254,000 33,037,000 10,256,000 43,495,000 59,935,000 9,957,000 36,503,000 64,191,000 32,266,000 37,026,000 4,114,000 77,281,000 56,470,000 46,432,000 6,423,000 45,052,000 35,568,000 31,875,000 17,423,000 72,992,000 88,497,000 57,578,000 4,531,000 85,869,000 121,902,000 33,154,000 26,838,000 82,641,000 115,865,000 28,103,000 22,035,000 6,246,000 
          capital expenditures
        		-14,137,000 -18,814,000 -2,071,000 -25,272,000 -24,253,000 -17,228,000 -15,076,000 -19,277,000 -17,372,000 -11,693,000 -14,415,000 -20,529,000 -18,698,000 -19,396,000 -13,639,000 -15,085,000 -10,750,000 -15,397,000 -16,609,000 -15,476,000 -12,563,000 -20,371,000 -26,254,000 -22,405,000 -28,105,000 -35,989,000 -26,178,000 -31,848,000 -33,627,000 -36,366,000 -29,256,000 -32,722,000 -33,344,000 -50,253,000 
          free cash flows
        		2,801,000 22,944,000 53,183,000 7,765,000 -13,997,000 26,267,000 44,859,000 -9,320,000 19,131,000 52,498,000 17,851,000 16,497,000 -14,584,000 57,885,000 42,831,000 31,347,000 -4,327,000 29,655,000 18,959,000 16,399,000 4,860,000 52,621,000 62,243,000 35,173,000 -23,574,000 49,880,000 95,724,000 1,306,000 -6,789,000 46,275,000 86,609,000 -4,619,000 -11,309,000 -44,007,000 
          cash flows from investing activities:
        		                                  
          purchases of property, plant and equipment
        		-14,137,000 -18,814,000 -2,071,000 -25,272,000 -24,253,000 -17,228,000 -15,076,000 -19,277,000 -17,372,000 -11,693,000 -14,415,000 -20,529,000 -18,698,000 -19,396,000 -13,639,000 -15,085,000 -10,750,000 -15,397,000 -16,609,000 -15,476,000 -12,563,000 -20,371,000 -26,254,000 -22,405,000 -28,105,000 -35,989,000 -26,178,000 -31,848,000 -33,627,000 -36,366,000 -29,256,000 -32,722,000 -33,344,000 -50,253,000 
          net cash from investing activities, continuing operations
        		-14,137,000 549,448,000            -19,396,000 -14,127,000 -15,085,000 -14,413,000 -17,159,000 962,945,000 -15,476,000 -54,557,000              
          net cash from investing activities, discontinued operations
        		 -5,576,000                922,000 -8,933,000 -9,998,000 -22,012,000              
          net cash from investing activities
        		-14,137,000 543,872,000 -17,620,000 -66,587,000 -24,253,000  -19,376,000 -19,477,000 -17,372,000 -11,693,000 -14,415,000 -20,529,000 -18,698,000 -19,396,000 -14,127,000 -15,085,000 -14,413,000 -16,237,000 954,012,000 -25,474,000 -76,569,000 593,523,000 -5,829,000 -14,024,000 -22,198,000 19,384,000 -20,886,000 -4,590,000 -29,267,000 -23,383,000 -29,640,000 -33,132,000 -33,135,000 -48,199,000 
          cash flows from financing activities:
        		                                  
          issuance of long-term debt, net of original issue discount and financing fees
        		 0 0 0 870,817,000 0                             
          repayments of long-term debt
        		 -467,183,000 -2,182,000 -2,183,000 -873,000,000 -2,183,000 0 -875,250,000 -2,250,000 -2,250,000 -2,250,000 -2,250,000 -2,250,000 -2,250,000 -2,250,000 -2,250,000 -2,250,000 -2,250,000 -528,613,000   -463,628,000    -110,838,000 -100,821,000 0 -5,000,000 -55,858,000 -49,041,000 -3,167,000 -1,261,624,000 -729,183,000 
          repurchases of common shares
        		-36,339,000 -19,491,000 -5,540,000   0 0   0 -5,344,000 -43,523,000 -29,850,000 -63,030,000 -66,584,000                    
          tax withholdings on equity award vesting
        		-1,253,000 0 0 0 -1,477,000 0 0 0 -1,218,000 0 -2,506,000 0 -866,000 0 0 0 -332,000                  
          net cash from financing activities, continuing operations
        		-37,442,000 -486,670,000            -65,628,000 -70,644,000 -9,359,000 -2,555,000 388,000 -958,470,000 -3,549,000 -1,458,000              
          net cash from financing activities, discontinued operations
        		 -831,000                  -597,000 -520,000              
          net cash from financing activities
        		-37,442,000 -487,501,000 -8,074,000 -24,934,000 -4,451,000  -764,000 -10,165,000 -4,183,000 -3,029,000 -10,591,000 -46,308,000 -33,570,000 -65,628,000 -70,644,000 -9,359,000 -2,555,000 388,000 -958,497,000 -4,146,000 -1,978,000 -712,594,000 -4,271,000 -64,256,000 58,301,000 -112,842,000 -102,850,000 2,151,000 -2,552,000 -59,460,000 -82,419,000 -730,000 5,384,000 39,766,000 
          effect of exchange rate changes on cash and cash equivalents
        		 -44,000 -49,000 603,000 -87,000 -999,000 361,000 -133,000 -177,000 579,000 1,825,000 -2,576,000 -1,147,000                     -456,000 
          net change in cash and cash equivalents
        		-34,641,000 98,085,000 29,511,000 -57,881,000 -18,535,000 22,539,000 40,156,000 -19,818,000 14,771,000 50,048,000 9,085,000 -32,387,000 -49,301,000                     -2,643,000 
          cash and cash equivalents at beginning of period
        		197,193,000 0 0 0 146,013,000 0 0 0 88,365,000 0 0 0 110,920,000                     0 
          cash and cash equivalents at end of period
        		162,552,000 98,085,000 29,511,000 -57,881,000 127,478,000 22,539,000 40,156,000 -19,818,000 103,136,000 50,048,000 9,085,000 -32,387,000 61,619,000                     -2,643,000 
          less: cash, cash equivalents, and restricted cash of discontinued operations
        		                   -978,000 -16,625,000              
          cash, cash equivalents and restricted cash at end of period of continuing operations
        		162,552,000               21,480,000 129,748,000 36,137,000 47,344,000 646,000 56,762,000              
          net income from discontinued operations
        		                                  
          debt extinguishment costs
        		     0 0           8,348,000 6,837,000   8,512,000    1,633,000    1,008,000 864,000 0 3,755,000 14,754,000 
          proceeds from business divestitures, net of cash transferred
        		                                  
          business combinations
        		 -165,000 0                                
          draw down of revolving credit facilities
        		         0 0           -34,819,000 10,741,000 47,270,000 117,434,000 41,912,000 86,767,000 42,482,000 32,381,000      
          repayments of revolving credit facilities
        		         0 0           34,042,000 -10,740,000 -111,260,000 -52,668,000 -42,460,000 -88,095,000 -43,359,000 -28,888,000      
          less: cash and cash equivalents of discontinued operations
        		                                  
          cash and cash equivalents at end of period of continuing operations
        		                                  
          foreign currency exchange loss
        		   290,000 105,000 -192,000 376,000 -14,000 169,000 -548,000 591,000 -195,000 -437,000 -1,201,000 1,031,000 501,000 647,000 -87,000 921,000 -1,219,000 5,101,000 -2,072,000 -4,583,000 -854,000 3,337,000 -2,593,000 4,457,000 3,612,000 -2,689,000 -1,537,000 3,527,000 6,757,000 5,063,000 4,174,000 
          equity in net (income) from affiliated companies
        		   -1,928,000 -8,916,000                      -17,261,000 -12,300,000 -2,064,000  -5,605,000 -13,666,000 -11,852,000  
          dividends received from affiliated companies
        		   10,000,000 10,000,000 5,000,000 0 5,000,000 28,000,000 18,000,000 0   5,000,000 0 15,000,000 15,000,000 15,000,000 10,000,000 5,000,000 5,000,000 25,000,000 0   20,051,000 15,000,000 72,000 5,000,000 4,305,000 20,000,000 5,071,000 10,819,000 25,000,000 
          repayment of financing obligation
        		   -875,000 -776,000  -876,000 -742,000 -736,000  -654,000 -732,000 -701,000                      
          intangible asset impairment charge
        		                                  
          impairment of investment in affiliated companies
        		                                  
          investment in non-marketable equity securities
        		     0                             
          payments for business divestiture, net of cash
        		                                  
          business combinations, net of cash acquired
        		             0    143,000 -788,000 0 -41,994,000         0 0   0 
          repayments of financing obligation
        		                                  
          deferred income tax benefit
        		                    -4,344,000            -2,607,000  
          equity in net income from affiliated companies
        		      921,000 -1,392,000 -2,072,000  -4,708,000 -11,374,000 -223,000 -10,303,000 -3,169,000 -8,504,000 -5,749,000 -7,014,000 -8,758,000 -6,755,000 -5,210,000 -1,212,000 -183,000 -11,492,000 -8,350,000          
          working capital changes that used cash:
        		                                  
          issuance of long-term debt, net of discount
        		                  0                
          working capital changes that provided (used) cash, excluding the effect of acquisitions and dispositions:
        		                                  
          proceeds from business divestitures, net of cash
        		                                  
          debt issuance costs
        		                 0 0   0 -5,964,000 0 -3,023,000     -239,000 239,000 0 -6,395,000 -2,495,000 
          debt prepayment fees
        		                 0    0             
          proceeds from financing obligation
        		                                  
          dividends paid to stockholders
        		                 0                 
          net income attributable to ecovyst inc.
        		            -1,471,000                      
          pension and postretirement healthcare benefit
        		            8,000  292,000 -553,000 -553,000                  
          pension and postretirement healthcare expense
        		                 1,484,000 -596,000 -595,000 -595,000              
          pension and postretirement healthcare benefit funding
        		                     -404,000 -4,581,000 -1,003,000 -3,150,000 -753,000 -5,285,000 -260,000 -3,372,000 -1,187,000 -2,375,000 -634,000 -3,406,000 -362,000 
          payments for business divestiture
        		               0 -3,744,000                  
          proceeds from sale of assets
        		                     -955,000 0 7,955,000 2,375,000          
          proceeds from stock options exercised
        		             527,000    523,000    192,000 0   19,000 481,000        
          effect of exchange rate changes on cash, cash equivalents and restricted cash
        		             -2,783,000 -1,481,000 -508,000 -596,000 6,934,000 -1,342,000 -631,000 -2,708,000 17,007,000 -2,694,000 1,002,000 -4,263,000 1,251,000 -1,870,000 -841,000 -660,000 1,911,000 326,000 -372,000 -1,511,000  
          net change in cash, cash equivalents and restricted cash
        		               21,480,000 -11,141,000 36,137,000 29,741,000 1,624,000 -63,832,000 -29,072,000 75,703,000 -19,700,000 36,371,000 -6,338,000 -3,704,000 29,874,000 -5,641,000 1,709,000 4,132,000 -6,131,000 -7,227,000  
          cash, cash equivalents and restricted cash at beginning of period
        		               0 140,889,000 0 0 0 137,219,000 0 0 0 73,917,000 0 0 0 59,726,000 0 0 0 67,243,000  
          cash, cash equivalents and restricted cash at end of period
        		               21,480,000 129,748,000 36,137,000 29,741,000 1,624,000 73,387,000 -29,072,000 75,703,000 -19,700,000 110,288,000 -6,338,000 -3,704,000 29,874,000 54,085,000 1,709,000 4,132,000 -6,131,000 60,016,000  
          less: cash, cash equivalents and restricted cash of discontinued operations
        		                                  
          net cash used by operating activities, discontinued operations
        		                                  
          proceeds from business divestiture, net of cash
        		                                  
          proceeds from failed sale-leaseback
        		                                  
          repayment of financing obligations
        		                                  
          proceeds from business divestiture, net of cash and indebtedness
        		                                  
          less cash, cash equivalents and restricted cash of discontinued operations
        		                                  
          pension and postretirement healthcare funding
        		                                  
          net cash from provided by financing activities, discontinued operations
        		                                  
          stock repurchases
        		                    -1,470,000  -162,000 0 -3,889,000  -896,000 0 -1,339,000      
          goodwill impairment charge
        		                                  
          pension and postretirement healthcare benefit expense
        		                     240,000 642,000 62,000 -65,000 971,000 546,000 1,009,000 1,176,000 726,000 -252,000 -217,000 816,000 647,000 
          net interest income on swaps designated as net investment hedges
        		                     -341,000 -2,425,000 -426,000 -1,771,000 -45,000 -3,957,000 -588,000 -3,890,000 -580,000     
          gain on contract termination
        		                                  
          investment in affiliated companies
        		                             0    0 
          proceeds from sale of product line
        		                     0    -342,000 1,335,000        
          proceeds from sale of investment
        		                     0 0 0 1,761,000          
          proceeds from settlement of swaps designated as net investment hedges
        		                                  
          net interest proceeds on swaps designated as net investment hedges
        		                     341,000 2,425,000 426,000 1,771,000 45,000 3,957,000 588,000 3,890,000 580,000     
          distributions to noncontrolling interests
        		                             -199,000 -373,000   -208,000 
          amortization of inventory step-up
        		                                  
          loan receivable under the new markets tax credit arrangement
        		                                 0 
          issuance of long-term debt
        		                              0 0 1,267,000,000  
          ipo proceeds
        		                                  
          ipo costs
        		                                  
          equity in net loss from affiliated companies
        		                                 -13,893,000 
          working capital changes that provided (used) cash, excluding the effect of business combinations:
        		                                  
          draw down of revolver
        		                             2,187,000 15,713,000 85,294,000 38,570,000 55,048,000 
          repayments of revolver
        		                             -3,675,000 -48,290,000 -82,704,000 -32,109,000 -64,092,000 
          issuance of long-term notes, net of original issue discount and financing fees
        		                                  
          interest hedge premium
        		                                  
          equity contribution
        		                                  
          acquisition accounting valuation adjustments on inventory sold
        		                              0 0 1,603,000 0 
          repurchase of common shares
        		                              -710,000    
          debt modification creditor fees capitalized
        		                                  
          supplemental pension plan mark-to-market gain
        		                                 -257,000 
          change in restricted cash
        		                                 1,297,000 
          issuance of long-term debt under the new market tax credit arrangement
        		                                 0 
          stock repurchase
        		                                  
          net loss
        		                                  
          adjustments to reconcile net loss to net cash from operating activities:
        		                                  
          deferred income tax expense
        		                                  
          supplemental cash flow information:
        		                                  
          cash paid for taxes
        		                                  
          cash paid for interest
        		                                  
          non-cash investing activity:
        		                                  
          capital expenditures acquired on account but unpaid as of the period end
        		                                  
          non-cash financing activity:
        		                                  
          equity consideration for the business combination
        		                                  
          debt assumed in the business combination
        		                                  
          debt assumed in the acquisition