Other Expenses - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Related Party Transaction [Line Items]
Management base fee percentage			1.50%
Management incentive fee percentage			20.00%
Management core earnings fee percentage	7.00%		7.00%
Management core earnings fee measurement period (in years)			3 years
Management core earnings fee minimum threshold			0.00%
Management fees	$ 17,036,000	$ 18,726,000	$ 34,271,000	$ 37,653,000
Accrued management and incentive fees payable	17,000,000		17,000,000		$ 18,500,000
Related Party
Related Party Transaction [Line Items]
Total incentive compensation payments	$ 0	$ 0	$ 0	$ 0