Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities:
Net income	$ 66,558	$ 61,910
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	31,569	28,926
Amortization of debt issuance costs	824	808
Equity-based compensation expense	7,629	7,925
Deferred income taxes	212	3,269
Other	1,089	(478)
Change in operating assets and liabilities, net of effect of acquisitions:
Accounts receivable, net	(23,968)	(18,222)
Other current assets	(23,430)	(16,638)
Other assets	(1,436)	(202)
Accounts payable and other accrued liabilities	13,633	10,501
Accrued salaries and benefits	(30,386)	246
Other liabilities	2,114	6,298
Government relief funds		(7,556)
Net cash provided by operating activities	44,408	76,787
Investing activities:
Cash paid for capital expenditures	(66,525)	(50,527)
Proceeds from sale of property and equipment	409	1,294
Other	(794)	(460)
Net cash used in investing activities	(66,910)	(49,693)
Financing activities:
Borrowings on revolving credit facility	40,000
Principal payments on revolving credit facility		(10,000)
Principal payments on long-term debt	(5,313)	(2,656)
Repurchase of shares for payroll tax withholding, net of proceeds from stock option exercises	(47,671)	(11,741)
Contributions from noncontrolling partners in joint ventures	1,655	4,290
Distributions to noncontrolling partners in joint ventures		(447)
Other	11	14
Net cash used in financing activities	(11,318)	(20,540)
Net (decrease) increase in cash and cash equivalents	(33,820)	6,554
Cash and cash equivalents at beginning of the period	97,649	133,813
Cash and cash equivalents at end of the period	$ 63,829	$ 140,367