Asset-Specific Debt, Net (Detail) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024 USD ($) loan	Dec. 31, 2023 USD ($) loan
Financing provided
Participating Mortgage Loans [Line Items]
Count | loan	2	2
Financing provided, Principal Balance	$ 1,064,484	$ 1,004,097
Financing provided, Book Value	$ 1,061,380	$ 1,000,210
Financing provided | LIBOR
Participating Mortgage Loans [Line Items]
Wtd. Avg. Yield/Cost	3.16%	3.14%
Collateral assets
Participating Mortgage Loans [Line Items]
Count | loan	2	2
Collateral assets, Principal Balance	$ 1,268,225	$ 1,194,408
Collateral assets, Book Value	$ 1,261,171	$ 1,186,559
Collateral assets | LIBOR
Participating Mortgage Loans [Line Items]
Wtd. Avg. Yield/Cost	3.90%	3.98%