Real Estate and Other Activities - Investments in Unconsolidated Real Estate Joint Ventures - Additional Information (Detail) $ in Thousands, € in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2025 EUR (€) HealthcareFacilities	Jun. 17, 2025 EUR (€)
Business Combination [Line Items]
Deferred income tax benefit		$ 10,631	$ 12,989	$ (162,692)
Investments in Unconsolidated Real Estate Joint Ventures [Member]
Business Combination [Line Items]
Percentage of equity investment					100.00%
Favorable fair market value adjustment on investment		49,000
Number of healthcare facilities under leases | HealthcareFacilities					70
Debt instrument final refinancing amount | €					€ 655.0	€ 655.0
Debt, face amount | €					€ 702.5
Non amortizing period					10 years
Fixed rate					5.10%
Reduce future income tax rates	5.00%
Deferred income tax benefit	$ 13,000
Dividend income		$ 62,000	$ 45,000
Investments in Unconsolidated Real Estate Joint Ventures [Member] | Maximum [Member]
Business Combination [Line Items]
Percentage of equity investment					100.00%
Common Spirit [Member]
Business Combination [Line Items]
Percentage of equity investment					25.00%