v3.25.2
Financial Highlights - Schedule of Financial Highlights (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Mar. 31, 2025
Dec. 31, 2024
Mar. 31, 2024
Dec. 31, 2023
Investment Company [Abstract]            
Net Asset Value Per Unit (accrual base), Beginning of Period $ 96.87 $ 98.95        
Net Increase in Common Unitholder NAV from Prior Year 0 0.17        
Income from Investment Operations:            
Net investment income 3.49 2.85        
Net realized and unrealized loss (1.66) (0.2)        
Total income from investment operations 1.83 2.65        
Less Distributions:            
From net investment income (3.92) (3.12)        
Return of capital 0 (0.04)        
Total distributions (3.92) (3.16)        
Net Asset Value Per Unit (accrual base), End of Period $ 94.78 $ 98.61        
Unitholder Total Return 3.30% 6.52%        
Unitholder IRR before incentive fee 13.52% 15.95%        
Unitholder IRR 11.66% 13.67%        
Ratios and Supplemental Data            
Members' Capital, end of period $ 823,570 $ 543,337 $ 601,141 $ 611,229 $ 498,780 $ 460,210
Units outstanding, end of period 12,745,660 12,745,660 12,745,660 12,745,660 12,745,660 10,709,060
Ratios based on average net assets of Members’ Capital:            
Ratio of total expenses to average net asset 9.52% 11.87%        
Expense recaptured (reimbursed) by Investment Advisor 0.00% 0.00%        
Ratio of net expenses to average net assets 9.52% 11.87%        
Ratio of financing cost to average net assets 2.87% 3.44%        
Ratio of net investment income before expense recapture to average net assets 13.31% 14.50%        
Ratio of net investment income to average net assets 13.31% 14.50%        
Ratio of incentive fees to average net assets 1.23% 2.38%        
Credit facility payable $ 439,200 $ 435,000        
Asset coverage ratio 2.88% 2.25%        
Portfolio turnover rate 11.02% 11.54%