Real Estate and Other Activities - Development Activities - Summary of Status on Current Development and Capital Additions Projects (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2026 USD ($)
Business Acquisition [Line Items]
Capital Commitment	$ 248,105	[1]
Costs Paid as of September 30, 2026	77,014
Cost Remaining	171,091
NOR [Member] | California [Member]
Business Acquisition [Line Items]
Capital Commitment	84,249	[1]
Costs Paid as of September 30, 2026	3,952
Cost Remaining	80,297
HSA [Member] | Florida [Member]
Business Acquisition [Line Items]
Capital Commitment	69,463	[1]
Costs Paid as of September 30, 2026	10,378
Cost Remaining	59,085
HSA [Member] | Louisiana [Member]
Business Acquisition [Line Items]
Capital Commitment	18,609	[1]
Costs Paid as of September 30, 2026	1,404
Cost Remaining	17,205
IMED Hospitales ("IMED") [Member] | Spain [Member]
Business Acquisition [Line Items]
Capital Commitment	64,784	[1]
Costs Paid as of September 30, 2026	61,267
Cost Remaining	3,517
Ernest Health [Member] | South Carolina [Member]
Business Acquisition [Line Items]
Capital Commitment	11,000	[1]
Costs Paid as of September 30, 2026	13
Cost Remaining	$ 10,987

[1] Includes major projects currently in process for which we will earn additional revenue once the projects are completed.