v3.25.3
Significant Agreements and Related Party Transactions - Additional Information (Details)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2025
USD ($)
Component
Sep. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Related Party Transaction [Line Items]          
Annual management fee percentage 0.25%   1.00%    
Management fee $ 8,179,000 $ 8,855,000 $ 25,268,000 $ 26,452,000  
Management fees payable 8,179,000   $ 8,179,000   $ 8,780,000
Number of components included in incentive fees | Component     2    
Hurdle rate for incentive fee purpose     1.75%    
Incentive fee if no excess income amount     $ 0    
Percentage of ordinary income considered for incentive If that exceeds hurdle amount     100.00%    
Percentage of Catch-up Amount Multiplied by NAV     2.12%   2.1875%
Percentage ordinary income considered for incentive if that exceeds catchup amount     17.50%   20.00%
Percentage of incentive fee     17.50%   20.00%
Incentive fees 7,051,000 0 $ 22,381,000 10,882,000  
Incentive fees payable 7,051,000   7,051,000   $ 6,330,000
Accrual or payment of incentive fees based on capital gain 0 0 0 0  
Incurred expenses for services provided by Administrator and Custodian fees 509,000 539,000 1,556,000 1,577,000  
Administration and custodian fees payable 524,000   524,000    
Incurred expenses for services provided by transfer agent 10,000 $ 7,000 24,000 $ 21,000  
Transfer agent fees payable 1,000   1,000    
Accrued expenses and other liabilities 7,602,000   7,602,000   12,090,000
Related Party | Asset Management Arrangement          
Related Party Transaction [Line Items]          
Accrued expenses and other liabilities $ 2,296,000   $ 2,296,000   $ 1,088,000
GS Group Inc          
Related Party Transaction [Line Items]          
Percentage of ownership of common stock by Affiliates 5.70%   5.70%   5.50%