Annual report [Section 13 and 15(d), not S-K Item 405]

EXTERNAL INVESTMENT MANAGER - Narrative (Details)

v3.25.0.1
EXTERNAL INVESTMENT MANAGER - Narrative (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 29, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Related Party Transaction [Line Items]        
Net investment income   $ 355,059 $ 339,019 $ 245,327
External Investment Manager        
Related Party Transaction [Line Items]        
Net investment income   $ 34,300 $ 33,400 $ 22,300
External Investment Manager | Advisory Agreement, Prior To January 29, 2025 | Affiliated Entity        
Related Party Transaction [Line Items]        
Management and service fees (as a percent)   1.75%    
Management and service fees, incentive rate (as a percent)   20.00%    
External Investment Manager | Advisory Agreement, On and AfterJanuary 29, 2025 | Affiliated Entity | Subsequent Event        
Related Party Transaction [Line Items]        
Management and service fees (as a percent) 1.50%      
Management and service fees, incentive rate (as a percent) 17.50%      
Management and service fees, catch up feature rate (as a percent) 50.00%