Real Estate and Other Activities - Other Disposal Transactions - Additional Information (Detail) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2021 USD ($) Operator	Dec. 31, 2022 USD ($) Facility	Dec. 31, 2021 USD ($) Operator Facility	Dec. 31, 2020 USD ($) Facility Property
Business Acquisition [Line Items]
Number of operations sold | Operator	3		3
Proceeds from sale of facilities	$ 54,500	$ 522,000	$ 246,000	$ 94
Gain (loss) on real estate dispositions	$ (40,000)		$ 52,500	$ (2,800)
Number of facilities sold | Facility		15	16	9
Number of properties sold | Property				6