Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (79,933)	$ 82,141
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	100,787	114,436
Asset impairments	9,351	13,058
Amortization of debt issuance costs and other non-cash interest	5,614	4,136
Expenses associated with debt repayments and refinancing transactions	52,167
Gain on sale of real estate assets, net	(38,766)	(4,920)
Deferred income taxes	93,849	4,475
Non-cash revenue and other income	35	(7,673)
Non-cash equity compensation	13,639	13,011
Other expenses and non-cash items	4,357	10,626
Changes in assets and liabilities, net:
Accounts receivable, prepaid expenses and other assets	36,278	15,179
Accounts payable, accrued expenses and other liabilities	86,763	37,044
Net cash provided by operating activities	284,141	281,513
CASH FLOWS FROM INVESTING ACTIVITIES:
Expenditures for facility development and expansions	(14,541)	(26,566)
Expenditures for other capital improvements	(38,439)	(33,545)
Acquisitions, net of cash acquired		(8,849)
Net proceeds from sale of assets	320,726	13,321
Decrease (increase) in other assets	6,777	(7,751)
Net cash provided by (used in) investing activities	274,523	(63,390)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of debt and borrowings from credit facility	740,563	374,000
Scheduled principal repayments	(27,409)	(23,669)
Principal repayments of credit facility	(284,000)	(283,000)
Repayment of non-recourse mortgage notes	(161,930)
Repayment of senior notes	(425,988)
Payment of debt defeasance, issuance and other refinancing and related costs	(64,425)	(903)
Payment of lease obligations for financing leases	(418)	(407)
Contingent consideration for acquisition of business	(1,000)
Dividends paid	(2,508)	(105,973)
Purchase and retirement of common stock	(1,639)	(3,575)
Net cash used in financing activities	(228,754)	(43,527)
NET INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	329,910	174,596
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, beginning of period	136,768	119,093
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, end of period	466,678	293,689
NON-CASH INVESTING AND FINANCING ACTIVITIES
Debt assumed on acquisition of property portfolio		52,217
Establishment of right of use assets and lease liabilities	621	116,092
Distributions to non-controlling interest	5,897
Cash paid during the period for:
Interest (net of amounts capitalized of $0.2 million and $0.5 million in 2021 and 2020, respectively)	37,651	56,430
Income taxes paid	$ 23,266	$ 1,252