Deferred Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenues [Abstract]
Non-refundable entrance fees	$ 669,528	$ 615,723
Other deferred revenue	315,779	324,413
Deferred revenue	985,307	940,136
Proceeds from nonrefundable entrance fees	153,000	143,000
Amortization of nonrefundable entrance fee	99,000	89,000	$ 83,000
Amortization of other deferred charges	$ 48,000	$ 53,000	$ 68,000