v3.26.1
Segment Information - Schedule of Revenue By Major Products and Geographical Region (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Revenues $ 460,278 $ 453,524 $ 949,582 $ 960,498
United States        
Segment Reporting [Line Items]        
Revenues 76,166 73,061 154,202 159,861
Germany        
Segment Reporting [Line Items]        
Revenues 128,058 114,779 257,331 238,627
China        
Segment Reporting [Line Items]        
Revenues 114,990 130,524 270,997 268,487
Other Countries        
Segment Reporting [Line Items]        
Revenues 141,064 135,160 267,052 293,523
Foreign Countries        
Segment Reporting [Line Items]        
Revenues 384,112 380,463 795,380 800,637
Pulp        
Segment Reporting [Line Items]        
Revenues 303,340 313,705 622,510 670,669
Lumber        
Segment Reporting [Line Items]        
Revenues 56,643 66,332 116,734 131,718
Energy and Chemicals        
Segment Reporting [Line Items]        
Revenues 28,030 24,668 59,966 56,824
Manufactured Products        
Segment Reporting [Line Items]        
Revenues 25,821 12,418 46,862 31,242
Pallets        
Segment Reporting [Line Items]        
Revenues 31,908 26,586 61,768 49,763
Biofuels        
Segment Reporting [Line Items]        
Revenues 10,724 5,095 22,904 14,319
Wood Residuals        
Segment Reporting [Line Items]        
Revenues 3,812 4,720 18,838 5,963
Operating Segments        
Segment Reporting [Line Items]        
Revenues 459,277 449,576 936,002 953,376
Corporate and Other        
Segment Reporting [Line Items]        
Revenues 1,001 3,948 13,580 7,122
Corporate and Other | United States        
Segment Reporting [Line Items]        
Revenues 0 607 0 1,249
Corporate and Other | Germany        
Segment Reporting [Line Items]        
Revenues 0 220 0 381
Corporate and Other | China        
Segment Reporting [Line Items]        
Revenues 0 0 0 0
Corporate and Other | Other Countries        
Segment Reporting [Line Items]        
Revenues 1,001 3,121 13,580 5,492
Corporate and Other | Foreign Countries        
Segment Reporting [Line Items]        
Revenues 1,001 3,341 13,580 5,873
Corporate and Other | Pulp        
Segment Reporting [Line Items]        
Revenues 0 0 0 0
Corporate and Other | Lumber        
Segment Reporting [Line Items]        
Revenues 0 0 0 0
Corporate and Other | Energy and Chemicals        
Segment Reporting [Line Items]        
Revenues 0 1,823 525 4,997
Corporate and Other | Manufactured Products        
Segment Reporting [Line Items]        
Revenues 0 0 0 0
Corporate and Other | Pallets        
Segment Reporting [Line Items]        
Revenues 0 0 0 0
Corporate and Other | Biofuels        
Segment Reporting [Line Items]        
Revenues 0 0 0 0
Corporate and Other | Wood Residuals        
Segment Reporting [Line Items]        
Revenues 1,001 2,125 13,055 2,125
Market Pulp | Operating Segments        
Segment Reporting [Line Items]        
Revenues 325,074 332,308 670,057 713,388
Market Pulp | Operating Segments | United States        
Segment Reporting [Line Items]        
Revenues 31,872 32,179 67,866 71,027
Market Pulp | Operating Segments | Germany        
Segment Reporting [Line Items]        
Revenues 70,173 67,531 141,340 144,589
Market Pulp | Operating Segments | China        
Segment Reporting [Line Items]        
Revenues 114,884 130,411 270,487 267,981
Market Pulp | Operating Segments | Other Countries        
Segment Reporting [Line Items]        
Revenues 108,145 102,187 190,364 229,791
Market Pulp | Operating Segments | Foreign Countries        
Segment Reporting [Line Items]        
Revenues 293,202 300,129 602,191 642,361
Market Pulp | Operating Segments | Pulp        
Segment Reporting [Line Items]        
Revenues 303,340 313,705 622,510 670,669
Market Pulp | Operating Segments | Lumber        
Segment Reporting [Line Items]        
Revenues 0 0 0 0
Market Pulp | Operating Segments | Energy and Chemicals        
Segment Reporting [Line Items]        
Revenues 21,734 18,603 47,547 42,719
Market Pulp | Operating Segments | Manufactured Products        
Segment Reporting [Line Items]        
Revenues 0 0 0 0
Market Pulp | Operating Segments | Pallets        
Segment Reporting [Line Items]        
Revenues 0 0 0 0
Market Pulp | Operating Segments | Biofuels        
Segment Reporting [Line Items]        
Revenues 0 0 0 0
Market Pulp | Operating Segments | Wood Residuals        
Segment Reporting [Line Items]        
Revenues 0 0 0 0
Solid Wood | Operating Segments        
Segment Reporting [Line Items]        
Revenues 134,203 117,268 265,945 239,988
Solid Wood | Operating Segments | United States        
Segment Reporting [Line Items]        
Revenues 44,294 40,275 86,336 87,585
Solid Wood | Operating Segments | Germany        
Segment Reporting [Line Items]        
Revenues 57,885 47,028 115,991 93,657
Solid Wood | Operating Segments | China        
Segment Reporting [Line Items]        
Revenues 106 113 510 506
Solid Wood | Operating Segments | Other Countries        
Segment Reporting [Line Items]        
Revenues 31,918 29,852 63,108 58,240
Solid Wood | Operating Segments | Foreign Countries        
Segment Reporting [Line Items]        
Revenues 89,909 76,993 179,609 152,403
Solid Wood | Operating Segments | Pulp        
Segment Reporting [Line Items]        
Revenues 0 0 0 0
Solid Wood | Operating Segments | Lumber        
Segment Reporting [Line Items]        
Revenues 56,643 66,332 116,734 131,718
Solid Wood | Operating Segments | Energy and Chemicals        
Segment Reporting [Line Items]        
Revenues 6,296 4,242 11,894 9,108
Solid Wood | Operating Segments | Manufactured Products        
Segment Reporting [Line Items]        
Revenues 25,821 12,418 46,862 31,242
Solid Wood | Operating Segments | Pallets        
Segment Reporting [Line Items]        
Revenues 31,908 26,586 61,768 49,763
Solid Wood | Operating Segments | Biofuels        
Segment Reporting [Line Items]        
Revenues 10,724 5,095 22,904 14,319
Solid Wood | Operating Segments | Wood Residuals        
Segment Reporting [Line Items]        
Revenues $ 2,811 $ 2,595 $ 5,783 $ 3,838