Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating activities:
Net income	$ 11,612	$ 7,229
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	31,354	27,906
Loss (gain) on disposition of assets	3,396	(1,213)
Deferred tax provision	(7,525)	(14,457)
Stock-based compensation expense	3,590	4,414
Contract liabilities, net	4,865	297
Contract assets, net	10	(270)
Deferred contract costs, net	5,867	(2,560)
Other assets, noncurrent	860	(400)
Other liabilities, noncurrent	(874)	1,883
Other	963	706
Changes in operating assets and liabilities:
Accounts receivable	34,400	(15,023)
Prepaid expenses and other current assets	(128)	(4,229)
Accounts payable and accrued liabilities	(29,300)	(7,796)
Taxes payable	(72)	(4,664)
Net cash provided by (used in) operating activities	59,018	(8,177)
Investing activities:
Capital expenditures	(27,935)	(29,413)
Proceeds from disposition of assets, net of disposal costs	3,805	663
Net cash used in investing activities	(24,130)	(28,750)
Financing activities:
Repayments under revolving credit facility	0	(15,000)
Principal payments of finance leases	(4,335)	(4,079)
Net cash used in financing activities	(4,335)	(19,079)
Net change in cash, cash equivalents and restricted cash	30,553	(56,006)
Cash, cash equivalents and restricted cash, beginning of period	138,688	97,334
Cash, cash equivalents and restricted cash, end of period	$ 169,241	$ 41,328