v3.26.3
Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
CASH FLOWS FROM OPERATING ACTIVITIES:          
Net income (loss) $ (4,497) $ 23,884 $ (29,053) $ 42,111  
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:          
Deferred income tax 1,826 0 158 0  
Equity method investment loss (358) 248 7 287  
Depreciation, depletion and amortization 7,623 9,142 28,134 29,661  
Loss (gain) on disposal or abandonment of assets, net 343 (2,334) 157 (2,410)  
Loss on extinguishment of debt 5,717 0 5,947 0  
Amortization of debt issuance costs 676 579 1,478 1,600  
Asset retirement obligations accretion 427 446 1,251 1,310  
PIK interest     1,924 0  
Cash paid on asset retirement obligation reclamation     (452) (455)  
Stock-based compensation     3,730 2,144  
Amortization of contract liabilities     (86,806) (82,639)  
Accretion on contract liabilities     7,027 5,659  
Amortization of right-of-use assets     527 0  
Other     934 274  
Change in current assets and liabilities:          
Accounts receivable     (9,180) (9,325)  
Inventory     (27) 8,679  
Parts and supplies     (6,538) (4,898)  
Prepaid expenses     (1,618) 1,190  
Accounts payable and accrued liabilities     12,803 1,923  
Contract liabilities     44,453 77,867  
Net cash (used in) provided by operating activities     (25,144) 72,978  
CASH FLOWS FROM INVESTING ACTIVITIES:          
Capital expenditures     (91,080) (44,277)  
Proceeds from sale of equipment     200 2,891  
Investment in equity method investments     0 (394)  
Net cash used in investing activities     (90,880) (41,780)  
CASH FLOWS FROM FINANCING ACTIVITIES:          
Payments on debt     (79,200) (63,000)  
Borrowings of debt     599,200 63,000  
Payments on lease financing     (6,474) (5,187)  
Debt issuance costs     (32,381) (330)  
Taxes paid on vesting of RSUs     (1,451) (2,352)  
Net cash (used in) provided by financing activities     533,647 (7,869)  
Increase in cash, cash equivalents, and restricted cash     417,623 23,329  
Cash, cash equivalents, and restricted cash, beginning of period     15,372 12,153 $ 12,153
Cash, cash equivalents, and restricted cash, end of period 432,995 35,482 432,995 35,482 15,372
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH:          
Cash and cash equivalents 103,155 12,663 103,155 12,663 10,070
Restricted cash 329,840 22,819 329,840 22,819 5,302
Cash, Cash Equivalents and Restricted Cash $ 432,995 $ 35,482 432,995 35,482 $ 15,400
SUPPLEMENTAL CASH FLOW INFORMATION:          
Cash paid for interest     3,296 4,718  
SUPPLEMENTAL NON-CASH FLOW INFORMATION:          
Non-cash change in capital expenditures included in accounts payable and prepaid expense     6,116 (5,855)  
Repayment of TCB Credit Facility directly by lenders from KLIM proceeds     100,200 0  
PIK interest     1,924 0  
Right-of-use asset additions     2,407 0  
ATM          
CASH FLOWS FROM FINANCING ACTIVITIES:          
Proceeds from offering, net of issuance costs     189 0  
Confidentially marketed public offering          
CASH FLOWS FROM FINANCING ACTIVITIES:          
Proceeds from offering, net of issuance costs     $ 53,764 $ 0