Asset-Specific Debt, Net (Detail) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2025 USD ($) loan	Dec. 31, 2024 USD ($) loan	Dec. 31, 2023
Debt Instrument [Line Items]
Debt instrument, variable interest rate, type [Extensible Enumeration]	Secured Overnight Financing Rate (SOFR)	Secured Overnight Financing Rate (SOFR)	Secured Overnight Financing Rate (SOFR)
Asset-specific debt, net
Debt Instrument [Line Items]
Count, financing provided | loan	2	2
Count, collateral assets | loan	2	2
Principal balance	$ 529,867	$ 1,228,110
Principal Balance, collateral assets	656,019	1,467,185
Book Value	528,224	1,224,841
Book Value, collateral assets	$ 650,846	$ 1,459,864
Wtd. Avg. Yield/Cost, financing provided	3.36%	3.20%
Wtd. Avg. Yield/Cost, collateral assets	4.58%	4.03%