Real Estate and Other Activities - Development Activities - Summary of Status on Current Development Projects (Detail) $ in Thousands	6 Months Ended
	Jun. 30, 2023 USD ($)
Business Acquisition [Line Items]
Commitment	$ 358,487
Costs Incurred as of June 30, 2023	153,387
Ernest [Member] | South Carolina [Member]
Business Acquisition [Line Items]
Commitment	22,400
Costs Incurred as of June 30, 2023	$ 18,077
Estimated Rent Commencement Date	3Q 2023
IMED [Member] | Spain [Member]
Business Acquisition [Line Items]
Commitment	$ 46,273
Costs Incurred as of June 30, 2023	$ 41,109
Estimated Rent Commencement Date	3Q 2023
Lifepoint Behavioral Health [Member] | Texas [Member]
Business Acquisition [Line Items]
Commitment	$ 31,600
Costs Incurred as of June 30, 2023	$ 11,422
Estimated Rent Commencement Date	1Q 2024
IMED [Member] | Spain [Member]
Business Acquisition [Line Items]
Commitment	$ 37,434
Costs Incurred as of June 30, 2023	$ 10,832
Estimated Rent Commencement Date	3Q 2024
IMED [Member] | Spain [Member]
Business Acquisition [Line Items]
Commitment	$ 51,372
Costs Incurred as of June 30, 2023	$ 14,849
Estimated Rent Commencement Date	1Q 2025
Steward [Member] | Texas [Member]
Business Acquisition [Line Items]
Commitment	$ 169,408
Costs Incurred as of June 30, 2023	$ 57,098
Estimated Rent Commencement Date	2Q 2026