v3.25.4
Segment Information (Reconciliation of EBITDA to Net Income) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]      
Consolidated Adjusted EBITDA $ (144,167,000) $ 115,140,000 $ 381,713,000
Depreciation, depletion and amortization (185,350,000) (187,400,000) (160,711,000)
Interest expense, net (99,291,000) (58,856,000) (56,751,000)
Loss on debt extinguishment (19,258,000) (14,732,000) (1,385,000)
Other foreign exchange gains 585,000 12,339,000 2,899,000
Uncertain stamp duty position 0 0 (41,321,000)
Impairment of assets 0 (10,585,000) 0
Restructuring costs 0 (729,000) 0
Gains (losses) on idled assets 8,817,000 (4,574,000) (4,846,000)
(Increase) decrease in provision for discounting and credit losses (4,758,000) 207,000 4,216,000
Other 993,000 0 0
Net (loss) income before tax (444,415,000) (149,190,000) 123,814,000
Income tax benefit 12,359,000 40,309,000 32,251,000
Net (loss) income (432,056,000) (108,881,000) 156,065,000
Interest income 9,400,000 $ 15,400,000 $ 7,600,000
Russell County Development Property [Member]      
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]      
Gains (losses) on idled assets 11,000,000.0    
Greenbrier Idle Asset [Member]      
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]      
Gains (losses) on idled assets $ (2,200,000)