CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash Flows from Operating Activities
Net income (loss)	$ (97,900)	$ (212,689)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization, net	261,063	263,819
Asset impairment	9,606	17,362
Equity in (earnings) loss of unconsolidated ventures	3,156	9,353
Distributions from unconsolidated ventures from cumulative share of net earnings	430	561
Amortization of entrance fees	(732)	(1,816)
Proceeds from deferred entrance fee revenue	477	2,360
Deferred income tax (benefit) provision	(2,015)	(2,068)
Operating lease expense adjustment	(33,820)	(25,329)
Change in fair value of derivatives	(5,130)	(9,277)
Loss (gain) on sale of assets, net	(37,156)	(611)
Non-cash stock-based compensation expense	8,966	10,907
Property and casualty insurance income	(14,047)	(996)
Other non-operating (income) loss	(2,542)	0
Changes in operating assets and liabilities:
Accounts receivable, net	8,250	(411)
Prepaid expenses and other assets, net	9,347	(11,807)
Prepaid insurance premiums financed with notes payable	(6,530)	(5,552)
Trade accounts payable and accrued expenses	21,444	1,548
Refundable fees and deferred revenue	8,518	7,265
Operating lease assets and liabilities for lessor capital expenditure reimbursements	2,244	9,224
Net cash provided by (used in) operating activities	133,629	51,843
Cash Flows from Investing Activities
Purchase of marketable securities	(159,811)	(230,106)
Sale and maturities of marketable securities	145,100	323,765
Capital expenditures, net of related payables	(174,700)	(150,572)
Acquisition of assets, net of cash acquired	(574)	(6,004)
Investment in unconsolidated ventures	(7,589)	(192)
Proceeds from sale of assets, net	43,181	5,844
Property and casualty insurance proceeds	19,536	0
Other	(890)	(228)
Net cash provided by (used in) investing activities	(135,747)	(57,493)
Cash Flows from Financing Activities
Proceeds from debt	25,532	32,031
Repayment of debt and financing lease obligations	(91,866)	(64,190)
Payment of financing costs, net of related payables	(940)	(646)
Payments of employee taxes for withheld shares	(1,880)	(4,282)
Other	0	(760)
Net cash provided by (used in) financing activities	(69,154)	(37,847)
Net increase (decrease) in cash, cash equivalents, and restricted cash	(71,272)	(43,497)
Cash, cash equivalents, and restricted cash at beginning of period	474,548	438,314
Cash, cash equivalents, and restricted cash at end of period	$ 403,276	$ 394,817