Real Estate and Other Activities - 2025 Activity - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Debt Instrument [Line Items]
Gain (loss) on real estate dispositions	$ (800)	$ 8,100
Investments in unconsolidated real estate joint ventures	1,390,385		$ 1,399,777
Profit (loss) from real estate operations		20,000
Steward Health Care System LLC [Member]
Debt Instrument [Line Items]
Total assets acquired		39,000
Behavioral Health Hospitals [Member]
Debt Instrument [Line Items]
Profit (loss) from real estate operations	$ 10,700	$ 10,500