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Loan Participations Sold, Net (Detail) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) loan
Loan Participations Sold [Line Items]
Principal Balance, loan participation	$ 0		$ 0		$ 100,064
Book Value, loan participation	0		0		$ 100,064
Interest expense	247,055	$ 321,744	754,015	$ 1,004,854
Junior Loan Participation
Loan Participations Sold [Line Items]
Count | loan					2
Principal Balance, loan participation					$ 100,064
Book Value, loan participation					$ 100,064
Wtd. Avg. Yield/Cost					9.75%
Total Loan
Loan Participations Sold [Line Items]
Count | loan					2
Principal Balance, total loan					$ 442,142
Book Value, total loan					$ 442,008
Wtd. Avg. Yield/Cost					6.14%
Loan Participations Sold
Loan Participations Sold [Line Items]
Interest expense	$ 1,600		$ 6,900		$ 22,600

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Loan Participations Sold

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