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Commitments and Contingencies - Narrative (Details) $ in Thousands | 12 Months Ended | 60 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2024 USD ($) employee | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Jun. 29, 2024 USD ($) | Aug. 31, 2021 USD ($) mill
Guarantor Obligations [Line Items] |  |  |  |  |  |
Rental expense for operating and finance leases | $ 9,099 | $ 7,956 | $ 8,266 |  |  |
Number of employees | employee | 2,350 |  |  |  |  |
Unionized Employees Concentration Risk | Workforce Subject to Collective-Bargaining Arrangements |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |
Concentration risk percentage | 69.00% |  |  |  |  |
Unionized Employees Concentration Risk | Workforce Subject to Collective-Bargaining Arrangements Expiring within One Year |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |
Concentration risk percentage | 27.00% |  |  |  |  |
Standby letters of credit |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |
Amount of letters of credit outstanding | $ 28,000 |  |  |  |  |
Surety Bond |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |
Guarantee | $ 93,000 |  |  |  |  |
LTF |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |
Ownership percentage | 45.00% |  |  |  |  |
LTF | Borregaard |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |
Ownership percentage | 55.00% |  |  |  |  |
LTF | LTF project |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |
Guarantee | $ 26,000 |  |  |  |  |
Discontinued Operations, Disposed of by Sale | Lumber and Newsprint Facilities |  |  |  |  |  |
Guarantor Obligations [Line Items] |  |  |  |  |  |
Number of mills | mill |  |  |  |  |  | 6
Rights to duty refunds |  |  |  | $ 112,000 |  |
Ancillary fees | $ 1,000 |  |  |  |  |
Duties receivable |  | $ 40,000 |  |  |  |
Gross purchase price |  |  |  |  | $ 39,000 | $ 232,000

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