Accounts Payable, Accrued Liabilities, and Other Liabilities (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Payables and Accruals [Abstract]
Refundable entrance fees	$ 244,759	$ 251,874
Accrued construction costs	120,437	105,572
Accrued interest	76,034	59,492
Other accounts payable and accrued liabilities	267,989	240,258
Accounts payable, accrued liabilities, and other liabilities	709,219	657,196
Severance-related charges	$ 6,000	$ 8,000