Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 12,400	$ 19,003
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	31,042	32,028
Amortization of debt issuance costs and other non-cash interest	1,198	1,730
Gain on sale of real estate assets, net	0	(2,261)
Deferred income taxes	1,565	2,679
Non-cash revenue and other income	(695)	(1,753)
Non-cash equity compensation	4,884	5,267
Other expenses and non-cash items	1,842	1,343
Changes in assets and liabilities, net:
Accounts receivable, prepaid expenses and other assets	60,720	19,369
Accounts payable, accrued expenses and other liabilities	(23,128)	20,302
Net cash provided by operating activities	89,828	97,707
CASH FLOWS FROM INVESTING ACTIVITIES:
Expenditures for facility development and expansions	(2,380)	(2,916)
Expenditures for other capital improvements	(6,815)	(9,007)
Net proceeds from sale of assets	59	9,316
Increase in other assets	(1,371)	(1,205)
Net cash used in investing activities	(10,507)	(3,812)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from borrowings from credit facility	70,000	0
Scheduled principal repayments	(2,412)	(7,903)
Principal repayments of credit facility	(60,000)	0
Other repayments of debt	(153,754)	0
Payment of debt defeasance, issuance and other refinancing and related costs	(35)	(13)
Payment of lease obligations for financing leases	(146)	(142)
Dividends paid on RSUs	(131)	(866)
Purchase and retirement of common stock	(29,832)	(5,144)
Net cash used in financing activities	(176,310)	(14,068)
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(96,989)	79,827
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, beginning of period	162,165	310,707
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, end of period	65,176	390,534
NON-CASH INVESTING AND FINANCING ACTIVITIES
Establishment of right of use assets and lease liabilities	224	550
Cash paid during the period for:
Interest (net of amounts capitalized of $0.2 million in 2022)	6,333	4,668
Income taxes paid	$ 200	$ 1