v3.26.1
Segment Information - Schedule of Results by Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting Information [Line Items]        
Total revenues $ 460,278 $ 453,524 $ 949,582 $ 960,498
Less segment expenses:        
Segment Operating EBITDA (89,391)      
Operating Segments        
Segment Reporting Information [Line Items]        
Total revenues 459,277 449,576 936,002 953,376
Less segment expenses:        
Segment Operating EBITDA (20,889) (15,123) (19,623) 34,457
Purchase of property, plant and equipment 12,154 24,351 25,317 44,392
Operating Segments | Market Pulp        
Segment Reporting Information [Line Items]        
Total revenues 325,074 332,308 670,057 713,388
Less segment expenses:        
Segment Operating EBITDA (12,651) (10,262) 5,754 39,610
Purchase of property, plant and equipment 10,457 15,802 22,198 29,562
Operating Segments | Solid Wood        
Segment Reporting Information [Line Items]        
Total revenues 134,203 117,268 265,945 239,988
Less segment expenses:        
Segment Operating EBITDA (8,238) (4,861) (13,869) (5,153)
Purchase of property, plant and equipment 1,697 8,549 3,119 14,830
Operating Segments | Fiber | Market Pulp        
Less segment expenses:        
Segment Expenses 178,249 167,000 351,343 305,284
Operating Segments | Fiber | Solid Wood        
Less segment expenses:        
Segment Expenses 90,741 69,975 170,785 136,343
Operating Segments | Maintenance | Market Pulp        
Less segment expenses:        
Segment Expenses 24,468 47,097 47,949 89,063
Operating Segments | Maintenance | Solid Wood        
Less segment expenses:        
Segment Expenses 9,946 12,140 19,181 21,333
Operating Segments | Freight | Market Pulp        
Less segment expenses:        
Segment Expenses 37,434 32,907 74,261 68,339
Operating Segments | Freight | Solid Wood        
Less segment expenses:        
Segment Expenses 16,215 13,364 31,145 26,688
Operating Segments | Labor | Market Pulp        
Less segment expenses:        
Segment Expenses 23,513 24,947 48,351 49,140
Operating Segments | Labor | Solid Wood        
Less segment expenses:        
Segment Expenses 16,854 15,038 33,511 29,685
Operating Segments | Chemicals | Market Pulp        
Less segment expenses:        
Segment Expenses 34,330 32,044 66,133 60,105
Operating Segments | Chemicals | Solid Wood        
Less segment expenses:        
Segment Expenses 0 0 0 0
Operating Segments | Energy | Market Pulp        
Less segment expenses:        
Segment Expenses 12,955 11,828 27,211 26,235
Operating Segments | Energy | Solid Wood        
Less segment expenses:        
Segment Expenses 8,494 4,771 16,905 13,195
Operating Segments | Other | Market Pulp        
Less segment expenses:        
Segment Expenses 27,303 26,912 61,852 76,121
Operating Segments | Other | Solid Wood        
Less segment expenses:        
Segment Expenses 14,056 18,389 34,858 39,466
Intersegment Eliminations        
Segment Reporting Information [Line Items]        
Total revenues 14,392 11,713 27,860 22,078
Intersegment Eliminations | Market Pulp        
Segment Reporting Information [Line Items]        
Total revenues 527 165 1,289 509
Intersegment Eliminations | Solid Wood        
Segment Reporting Information [Line Items]        
Total revenues 13,865 11,548 26,571 21,569
Segment Excluding Corporate        
Segment Reporting Information [Line Items]        
Total revenues 473,669 461,289 963,862 975,454
Segment Excluding Corporate | Market Pulp        
Segment Reporting Information [Line Items]        
Total revenues 325,601 332,473 671,346 713,897
Segment Excluding Corporate | Solid Wood        
Segment Reporting Information [Line Items]        
Total revenues $ 148,068 $ 128,816 $ 292,516 $ 261,557