Other Expenses - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
Management base fee percentage	1.50%
Management incentive fee percentage	20.00%
Management core earnings fee percentage	7.00%
Management core earnings fee measurement period (in years)	3 years
Management core earnings fee minimum threshold	0.00%
Management fees	$ 74,792	$ 119,089	$ 110,292
Accrued management and incentive fees payable	18,500	26,300
Related Party
Related Party Transaction [Line Items]
Management fees	74,800	74,800	73,000
Total incentive compensation payments	$ 0	$ 44,200	$ 37,300