Real Estate and Other Activities - Development Activities - Summary of Status on Current Development Projects (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Business Acquisition [Line Items]
Commitment	$ 405,320
Costs Incurred as of March 31, 2023	182,060
Steward [Member] | Texas [Member]
Business Acquisition [Line Items]
Commitment	169,408
Costs Incurred as of March 31, 2023	$ 57,059
Estimated Rent Commencement Date	1Q 2026
Ernest [Member] | Stockton, California [Member]
Business Acquisition [Line Items]
Commitment	$ 47,700
Costs Incurred as of March 31, 2023	$ 46,372
Estimated Rent Commencement Date	2Q 2023
Ernest [Member] | South Carolina [Member]
Business Acquisition [Line Items]
Commitment	$ 22,400
Costs Incurred as of March 31, 2023	$ 14,469
Estimated Rent Commencement Date	3Q 2023
IMED [Member] | Spain [Member]
Business Acquisition [Line Items]
Commitment	$ 51,043
Costs Incurred as of March 31, 2023	$ 13,323
Estimated Rent Commencement Date	2Q 2023
IMED [Member] | Spain [Member]
Business Acquisition [Line Items]
Commitment	$ 45,976
Costs Incurred as of March 31, 2023	$ 37,568
Estimated Rent Commencement Date	3Q 2023
Springstone [Member] | Texas [Member]
Business Acquisition [Line Items]
Commitment	$ 31,600
Costs Incurred as of March 31, 2023	$ 4,099
Estimated Rent Commencement Date	1Q 2024
IMED [Member] | Spain [Member]
Business Acquisition [Line Items]
Commitment	$ 37,193
Costs Incurred as of March 31, 2023	$ 9,170
Estimated Rent Commencement Date	3Q 2024