Real Estate and Other Activities - Net Assets Acquired (Detail) - USD ($) $ in Thousands		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Business Acquisition [Line Items]
Total assets acquired		$ 142,089	$ 105,618	$ 235,187
Liabilities assumed		0	(2,290)	0
Loans repaid	[1]	0	0	(22,900)
Total net assets acquired		142,089	105,618	212,287
Land and Land Improvements [Member]
Business Acquisition [Line Items]
Total assets acquired		25,231	0	28,916
Building [Member]
Business Acquisition [Line Items]
Total assets acquired		48,742	0	114,966
Intangible Lease Assets [Member]
Business Acquisition [Line Items]
Total assets acquired		5,101	0	16,305
Other Loans [Member]
Business Acquisition [Line Items]
Total assets acquired		0	0	25,000
Investments in Unconsolidated Real Estate Joint Ventures [Member]
Business Acquisition [Line Items]
Total assets acquired		63,015	107,908	0
Investments In Unconsolidated Operating Entities [Member]
Business Acquisition [Line Items]
Total assets acquired		$ 0	$ 0	$ 50,000

[1] The 2023 column includes a $23 million mortgage loan that was converted to fee simple ownership of one property as described under the Lifepoint Transaction below.