Asset-Specific Debt, Net (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) SecurityLoan	Dec. 31, 2021 USD ($) SecurityLoan
Financing provided
Participating Mortgage Loans [Line Items]
Count | SecurityLoan	4	4
Financing provided, Principal Balance	$ 950,278	$ 400,699
Financing provided, Book Value	$ 942,503	$ 393,824
Financing provided | LIBOR
Participating Mortgage Loans [Line Items]
Wtd. Avg. Yield/Cost	3.29%	2.78%
Collateral assets
Participating Mortgage Loans [Line Items]
Count | SecurityLoan	4	4
Collateral assets, Principal Balance	$ 1,094,450	$ 446,276
Collateral assets, Book Value	$ 1,081,035	$ 435,727
Collateral assets | LIBOR
Participating Mortgage Loans [Line Items]
Wtd. Avg. Yield/Cost	4.73%	4.04%