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ENVIRONMENTAL AND NATURAL RESOURCE DAMAGE LIABILITIES - Changes in Environmental and NRD Liabilities (Details) $ in Thousands | 3 Months Ended
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Mar. 31, 2026 USD ($)
Accrual for Environmental Loss Contingencies [Roll Forward] |
Beginning balance, non-current portion | $ 6,089
Beginning balance, plus: current portion | 3,181
Beginning balance | 9,270
Liabilities assumed in merger with Pope Resources | 679
Expenditures charged to liabilities | (209)
Decrease to liabilities | (181)
Ending balance | 9,559
Ending balance, less: current portion | (5,657)
Ending balance, non-current portion | 3,902
Port Gamble, WA |
Accrual for Environmental Loss Contingencies [Roll Forward] |
Beginning balance, non-current portion | 6,089
Beginning balance, plus: current portion | 3,181
Beginning balance | 9,270
Liabilities assumed in merger with Pope Resources | 0
Expenditures charged to liabilities | (176)
Decrease to liabilities | (181)
Ending balance | 8,913
Ending balance, less: current portion | (5,439)
Ending balance, non-current portion | 3,474
Other Sites |
Accrual for Environmental Loss Contingencies [Roll Forward] |
Beginning balance, non-current portion | 0
Beginning balance, plus: current portion | 0
Beginning balance | 0
Liabilities assumed in merger with Pope Resources | 679
Expenditures charged to liabilities | (33)
Decrease to liabilities | 0
Ending balance | 646
Ending balance, less: current portion | (218)
Ending balance, non-current portion | $ 428

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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483076/450-20-50-1 Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Topic 410 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481931/410-30-50-10 Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Topic 410 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Subparagraph (d)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481931/410-30-50-10 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 410 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 16 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481899/410-30-55-16 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.Y.Q1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480102/450-20-S99-1 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 410 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481931/410-30-50-7 + Details
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