v3.25.4
Segment Information - Schedule of Results by Segment (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Segment Reporting Information [Line Items]      
Total revenues $ 1,868,070 $ 2,043,360 $ 1,993,844
Less segment expenses:      
Purchase of property, plant and equipment 88,583 84,318 136,324
Operating Segments      
Segment Reporting Information [Line Items]      
Total revenues 1,854,118 2,034,547 1,988,184
Less segment expenses:      
Segment Operating EBITDA (9,591) 256,524 35,546
Purchase of property, plant and equipment 88,476 84,132 135,833
Operating Segments | Market Pulp      
Segment Reporting Information [Line Items]      
Total revenues 1,386,680 1,548,556 1,516,130
Less segment expenses:      
Segment Operating EBITDA 15,601 260,914 65,889
Purchase of property, plant and equipment 63,059 46,400 90,126
Operating Segments | Solid Wood      
Segment Reporting Information [Line Items]      
Total revenues 467,438 485,991 472,054
Less segment expenses:      
Segment Operating EBITDA (25,192) (4,390) (30,343)
Purchase of property, plant and equipment 25,417 37,732 45,707
Operating Segments | Fiber | Market Pulp      
Less segment expenses:      
Segment Expenses 635,426 555,832 633,141
Operating Segments | Fiber | Solid Wood      
Less segment expenses:      
Segment Expenses 269,915 238,992 243,369
Operating Segments | Maintenance | Market Pulp      
Less segment expenses:      
Segment Expenses 177,857 148,978 128,511
Operating Segments | Maintenance | Solid Wood      
Less segment expenses:      
Segment Expenses 43,827 45,080 45,526
Operating Segments | Freight | Market Pulp      
Less segment expenses:      
Segment Expenses 142,381 145,706 154,918
Operating Segments | Freight | Solid Wood      
Less segment expenses:      
Segment Expenses 52,350 52,890 60,459
Operating Segments | Labor | Market Pulp      
Less segment expenses:      
Segment Expenses 93,104 88,460 85,092
Operating Segments | Labor | Solid Wood      
Less segment expenses:      
Segment Expenses 59,573 54,884 48,499
Operating Segments | Chemicals | Market Pulp      
Less segment expenses:      
Segment Expenses 124,821 121,053 152,120
Operating Segments | Chemicals | Solid Wood      
Less segment expenses:      
Segment Expenses 0 0 0
Operating Segments | Energy | Market Pulp      
Less segment expenses:      
Segment Expenses 42,038 58,835 97,649
Operating Segments | Energy | Solid Wood      
Less segment expenses:      
Segment Expenses 30,512 28,488 39,358
Operating Segments | Purchase of pulp from CPP | Market Pulp      
Less segment expenses:      
Segment Expenses   19,707 97,836
Operating Segments | Purchase of pulp from CPP | Solid Wood      
Less segment expenses:      
Segment Expenses   0 0
Operating Segments | Other | Market Pulp      
Less segment expenses:      
Segment Expenses 156,535 149,913 102,011
Operating Segments | Other | Solid Wood      
Less segment expenses:      
Segment Expenses 81,699 104,529 106,537
Intersegment Eliminations      
Segment Reporting Information [Line Items]      
Total revenues (46,329) (35,324) (42,388)
Intersegment Eliminations | Market Pulp      
Segment Reporting Information [Line Items]      
Total revenues 1,083 842 1,037
Intersegment Eliminations | Solid Wood      
Segment Reporting Information [Line Items]      
Total revenues 45,246 34,482 41,351
Segment Excluding Corporate      
Segment Reporting Information [Line Items]      
Total revenues 1,900,447 2,069,871 2,030,572
Segment Excluding Corporate | Market Pulp      
Segment Reporting Information [Line Items]      
Total revenues 1,387,763 1,549,398 1,517,167
Segment Excluding Corporate | Solid Wood      
Segment Reporting Information [Line Items]      
Total revenues $ 512,684 $ 520,473 $ 513,405