v3.26.1
Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash flows from operating activities:    
Net loss $ (418,019) $ (172,401)
Adjustments to reconcile net loss to cash and restricted cash provided by operating activities:    
Depreciation, depletion and amortization 89,523 86,029
Impairment of assets 177,459 0
Amortization of right of use asset - operating leases 15,556 12,564
Amortization of deferred financing costs 1,272 1,363
Loss on debt extinguishment 0 1,050
Non-cash interest expense 34,988 18,162
Amortization of contract obligations (10,372) (12,774)
Loss (gain) on disposal of property, plant and equipment 1,703 (670)
Loss on disposal of idled asset 0 2,239
Equity-based compensation expense (3,851) (185)
Deferred income taxes (13,621) (25,339)
Reclamation of asset retirement obligations (1,075) (2,742)
(Decrease) increase in provision for discounting and credit losses (164) 813
Other non-cash adjustments 4,767 (105)
Changes in operating assets and liabilities:    
Accounts receivable 55,599 66,266
Inventories (24,402) (18,423)
Other assets 17,746 (9,050)
Contract obligations 0 96,972
Accounts payable 13,794 (3,766)
Accrued expenses and other current liabilities (12,016) 7,678
Operating lease liabilities (15,437) (11,532)
Income tax payable 725 (839)
Change in other liabilities 18,930 4,778
Net cash (used in) from operating activities (66,895) 40,088
Cash flows from investing activities:    
Capital expenditures (58,640) (147,401)
Proceeds from disposal of idle and other assets 901 1,464
Purchase of restricted and other deposits (11,287) (54,804)
Redemption of restricted and other deposits 0 23,741
Net cash used in investing activities (69,026) (177,000)
Cash flows from financing activities:    
Proceeds from interest bearing liabilities and other financial liabilities 66,153 75,000
Debt issuance costs and other financing costs 0 (4,098)
Principal payments on interest bearing liabilities and other financial liabilities (1,726) (2,816)
Principal payments on finance lease obligations (3,668) (872)
Dividends paid 0 (8,333)
Net cash from financing activities 60,759 58,881
Net decrease in cash and cash equivalents (75,162) (78,031)
Effect of exchange rate changes on cash and cash equivalents (184) 242
Cash and cash equivalents at beginning of period 173,032 339,625
Cash and cash equivalents at end of period 97,686 261,836
Supplemental disclosure of cash flow information:    
Cash payments for interest 36,602 22,890
Cash refund for taxes (3,834) (1,620)
Restricted cash $ 0 $ 252