Real Estate and Other Activities - Development Activities - Summary of Status on Current Development Projects (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2022 USD ($)
Business Acquisition [Line Items]
Commitment	$ 373,079
Costs Incurred as of September 30, 2022	151,366
Steward [Member] | Texas [Member]
Business Acquisition [Line Items]
Commitment	169,408
Costs Incurred as of September 30, 2022	$ 57,911
Estimated Rent Commencement Date	4Q 2025
Ernest [Member] | Stockton, California [Member]
Business Acquisition [Line Items]
Commitment	$ 47,700
Costs Incurred as of September 30, 2022	$ 43,785
Estimated Rent Commencement Date	4Q 2022
IMED [Member] | Spain [Member]
Business Acquisition [Line Items]
Commitment	$ 46,159
Costs Incurred as of September 30, 2022	$ 11,809
Estimated Rent Commencement Date	2Q 2023
IMED [Member] | Spain [Member]
Business Acquisition [Line Items]
Commitment	$ 41,577
Costs Incurred as of September 30, 2022	$ 29,182
Estimated Rent Commencement Date	3Q 2023
Springstone [Member] | Texas [Member]
Business Acquisition [Line Items]
Commitment	$ 34,600
Costs Incurred as of September 30, 2022	$ 1,144
Estimated Rent Commencement Date	1Q 2024
IMED [Member] | Spain [Member]
Business Acquisition [Line Items]
Commitment	$ 33,635
Costs Incurred as of September 30, 2022	$ 7,535
Estimated Rent Commencement Date	3Q 2024