Schedule IV - Changes in Mortgage Loans Excluding Allowance for Credit Loss (Parenthetical) (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Mortgage Loans on Real Estate [Line Items]
Advanced to the mortgage loan	[1]	$ 0	$ 0	$ 22,900
Colombia [Member]
Mortgage Loans on Real Estate [Line Items]
Reserves/writedowns		18,000
Mortgage Loans [Member] | Prospect [Member]
Mortgage Loans on Real Estate [Line Items]
Reserves/writedowns			155,000
Mortgage Loans [Member] | PHP Holdings [Member] | Prospect [Member]
Mortgage Loans on Real Estate [Line Items]
Unpaid rent and interest		$ 151,000
Mortgage Loans [Member] | Colombia [Member]
Mortgage Loans on Real Estate [Line Items]
Reserves/writedowns			$ 18,000

[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.