Real Estate and Other Activities - Development Activities - Additional Information (Detail) $ in Thousands, € in Millions			3 Months Ended	12 Months Ended
	Apr. 29, 2022 Facility	Apr. 25, 2022 Facility	Jun. 30, 2020 Hospital	Dec. 31, 2022 USD ($) NewProject Facility	Dec. 31, 2021 USD ($) Hospital	Dec. 31, 2020 Hospital	Dec. 31, 2019 Hospital	Dec. 31, 2022 EUR (€)	Nov. 23, 2020 USD ($)
Business Acquisition [Line Items]
Number of development of new projects | NewProject				5
Total commitment | $				$ 406,661
Acute Care Hospital [Member]
Business Acquisition [Line Items]
Number of facilities acquired					2
Acute Care Hospital [Member] | Cayce, South Carolina [member]
Business Acquisition [Line Items]
Number of facilities acquired						1
Inpatient Rehabilitation Hospital [Member] | Cayce, South Carolina [member]
Business Acquisition [Line Items]
Number of facilities acquired						3
Ernest [Member]
Business Acquisition [Line Items]
Number of facilities acquired							4
Ernest [Member] | Cayce, South Carolina [member]
Business Acquisition [Line Items]
Total commitment | $				$ 22,400
General Acute Care Hospitals [Member]
Business Acquisition [Line Items]
Number of facilities acquired | Facility		2		6
General Acute Care Hospitals [Member] | Spain [Member]
Business Acquisition [Line Items]
Number of facilities acquired | Facility	3			3
Total commitment | €								€ 120
Springstone [Member] | McKinney, Texas [Member]
Business Acquisition [Line Items]
Total commitment | $				$ 35,000
Development Activities [Member] | Acute Care Hospital [Member]
Business Acquisition [Line Items]
Number of facilities acquired			2
Development Activities [Member] | Inpatient Rehabilitation Hospital [Member]
Business Acquisition [Line Items]
Number of facilities acquired			1
Development Activities [Member] | Ernest [Member]
Business Acquisition [Line Items]
Total commitment | $									$ 47,700
Development Activities [Member] | Steward [Member]
Business Acquisition [Line Items]
Total commitment | $					$ 169,400