Real Estate and Other Activities - Development Activities - Summary of Status on Current Development Projects (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Business Acquisition [Line Items]
Commitment	$ 331,926
Costs Incurred as of June 30, 2023	182,158
IMED [Member] | Spain [Member]
Business Acquisition [Line Items]
Commitment	44,848
Costs Incurred as of June 30, 2023	$ 43,103
Estimated Rent Commencement Date	4Q 2023
Lifepoint Behavioral Health [Member] | Texas [Member]
Business Acquisition [Line Items]
Commitment	$ 31,600
Costs Incurred as of June 30, 2023	$ 17,790
Estimated Rent Commencement Date	1Q 2024
IMED [Member] | Spain [Member]
Business Acquisition [Line Items]
Commitment	$ 36,280
Costs Incurred as of June 30, 2023	$ 13,775
Estimated Rent Commencement Date	3Q 2024
IMED [Member] | Spain [Member]
Business Acquisition [Line Items]
Commitment	$ 49,790
Costs Incurred as of June 30, 2023	$ 17,045
Estimated Rent Commencement Date	1Q 2025
Steward [Member] | Texas [Member]
Business Acquisition [Line Items]
Commitment	$ 169,408
Costs Incurred as of June 30, 2023	$ 90,445
Estimated Rent Commencement Date	2Q 2026