Schedule IV - Changes in Mortgage Loans Excluding Allowance for Credit Loss (Parenthetical) (Detail) - USD ($) $ in Thousands			12 Months Ended
		May 23, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Mortgage Loans on Real Estate [Line Items]
Advanced to the mortgage loan	[1]		$ 0	$ 22,900	$ 0
PHP Holdings [Member] | Prospect Medical Holdings Inc [Member]
Mortgage Loans on Real Estate [Line Items]
Unpaid rent and interest		$ 112,900
Mortgage Loans [Member] | PHP Holdings [Member] | Prospect Medical Holdings Inc [Member]
Mortgage Loans on Real Estate [Line Items]
Unpaid rent and interest		$ 151,000	$ 151,000

[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.