Deferred Revenue - Schedule of Deferred Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Revenues [Abstract]
Nonrefundable entrance fees	$ 527,476		$ 518,573
Other deferred revenue	350,968		325,503
Deferred revenue	878,444		$ 844,076
Proceeds from nonrefundable entrance fees	29,000	$ 21,000
Amortization of nonrefundable entrance fee	20,000	19,000
Amortization of other deferred charges	$ 13,000	$ 9,000