Accounts Payable, Accrued Liabilities, and Other Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Payables and Accruals [Abstract]
Refundable entrance fees		$ 271,675		$ 271,675		$ 288,409
Accrued construction costs		160,937		160,937		179,995
Accrued interest		35,832		35,832		59,342
Other accounts payable and accrued liabilities		264,451		264,451		227,638
Accounts payable, accrued liabilities, and other liabilities		732,895		732,895		755,384
Unamortized nonrefundable entrance fee		512,000		512,000		$ 496,000
Proceeds from collection of nonrefundable entrance fees		24,000	$ 25,000	74,000	$ 63,000
Amortization of nonrefundable entrance fee		$ 20,000	$ 19,000	$ 58,000	$ 57,000
Forecast
Other Commitments [Line Items]
Severance costs	$ 30,000