Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Operating activities:
Net income (loss)	$ 100,996	$ (50,773)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	83,596	78,714
Gain on disposition of assets	(4,102)	(4,802)
Loss on extinguishment of long-term debt	6,529	0
Deferred tax provision	(110,651)	(27,162)
Stock-based compensation expense	10,941	16,471
Contract liabilities	(7,111)	(19,725)
Contract assets	(4,183)	1,330
Deferred contract costs, net	(4,576)	(4,193)
Collateral deposits	(16,773)	17,479
Other assets, noncurrent	3,489	(547)
Other liabilities, noncurrent	12,581	(160)
Other	2,089	1,275
Changes in operating assets and liabilities:
Accounts receivable	3,659	(33,575)
Prepaid expenses and other current assets	(29,259)	(979)
Current income tax assets	(49,664)	0
Accounts payable and accrued liabilities	9,902	20,884
Taxes payable	12,742	(16,167)
Net cash provided by (used in) operating activities	20,205	(21,930)
Investing activities:
Capital expenditures	(99,878)	(42,653)
Proceeds from disposition of assets, net of disposal costs	857	5,861
Net cash used in investing activities	(99,021)	(36,792)
Financing activities:
Proceeds from issuance of second lien notes	550,000	0
Borrowings under exit facilities	40,000	69,000
Extinguishment of long-term debt	(192,182)
Repayments of exit facilities	(214,000)	0
Debt issuance costs and arrangement fees	(15,140)	0
Principal payment of finance leases	(14,814)	(11,765)
Net cash provided by financing activities	153,864	57,235
Net change in cash, cash equivalents and restricted cash	75,048	(1,487)
Cash, cash equivalents and restricted cash, beginning of period	97,334	62,729
Cash, cash equivalents and restricted cash, end of period	$ 172,382	$ 61,242