Real Estate and Other Activities - Other Leasing Activities - Additional Information (Detail) $ in Millions		3 Months Ended	9 Months Ended
	Jul. 24, 2020 USD ($) Property	Sep. 30, 2020 USD ($)	Sep. 30, 2022 Property	Dec. 23, 2021 Property
Business Acquisition [Line Items]
Percentage of properties occupied by tenants			99.00%
Number of properties vacant			5
Minimum [Member]
Business Acquisition [Line Items]
Percentage of vacant on leased property			0.30%
ScionHealth Master Lease [Member]
Business Acquisition [Line Items]
Number of properties				8
LifePoint Master Lease [Member]
Business Acquisition [Line Items]
Number of properties				9
Methodist [Member] | Texas [Member]
Business Acquisition [Line Items]
Total investments | $	$ 30.0
Number of re-leased properties	5
Straight-line rent and other write-off, net of tax | $		$ 1.5