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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash Flows from Operating Activities    
Net income (loss) $ 16,353 $ (108,032)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Loss (gain) on debt modification and extinguishment, net 5,720 35,335
Depreciation and amortization, net 151,060 191,171
Asset impairment 10,015 2,364
Deferred income tax (benefit) provision 3,786 (1,905)
Operating lease expense adjustment (1,760) (8,699)
Change in fair value of derivatives (3,989) 1,113
Loss (gain) on sale of assets, net (49,425) (43)
Non-cash stock-based compensation expense 7,401 7,068
Property and casualty insurance income (807) (3,487)
Changes in operating assets and liabilities:    
Accounts receivable, net 11,241 (4,169)
Prepaid expenses and other assets, net 11,895 (8,500)
Prepaid insurance premiums financed with notes payable (13,563) (15,094)
Trade accounts payable and accrued expenses (43,820) 7,755
Refundable fees and deferred revenue (5,561) 757
Operating lease assets and liabilities for lessor capital expenditure reimbursements 14,256 11,332
Net cash provided by operating activities 112,802 106,966
Cash Flows from Investing Activities    
Purchase of marketable securities (19,783) 0
Sale and maturities of marketable securities 0 20,000
Capital expenditures, net of related payables (94,899) (96,283)
Acquisition of assets (23,483) (311,028)
Proceeds from sale of assets, net 147,367 1,047
Property and casualty insurance proceeds 807 3,487
Change in lease acquisition deposits, net 0 5,000
Other (2,143) 623
Net cash provided by (used in) investing activities 7,866 (377,154)
Cash Flows from Financing Activities    
Proceeds from debt 419,676 320,739
Repayment of debt and financing lease obligations (440,708) (95,351)
Proceeds from line of credit 23,000 0
Payment of financing costs, net of related payables (16,107) (6,708)
Payments of employee taxes for withheld shares (8,001) (4,770)
Net cash provided by (used in) financing activities (22,140) 213,910
Net increase (decrease) in cash, cash equivalents, and restricted cash 98,528 (56,278)
Cash, cash equivalents, and restricted cash at beginning of period 343,008 379,840
Cash, cash equivalents, and restricted cash at end of period $ 441,536 $ 323,562