v3.26.1
Financial Highlights - Schedule of Financial Highlights (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Investment Company [Abstract]        
Net Asset Value Per Unit (accrual base), Beginning of Period $ 96.87 [1] $ 98.95 $ 99.57 $ 100
Net Increase in Common Unitholder NAV from Prior Year 0 0.17 0.13 0
Income from Investment Operations:        
Net investment income 7.86 5.93 4.37 1.45
Net realized and unrealized (loss) gain (0.89) (1.17) 0.45 0.03
Total income from investment operations 6.97 4.76 4.82 1.48
Less Distributions:        
From net investment income (9.12) (6.78) (5.28) (1.87)
Return of Capital (0.29) (0.23) (0.29) 0
Total distributions (9.41) (7.01) (5.57) (1.87)
Offering Costs 0 0 0 (0.04)
Net Asset Value Per Unit (accrual base), End of Period $ 94.43 [1] $ 96.87 [1] $ 98.95 $ 99.57
Unitholder Total Return 11.16% 11.20% 14.90% 8.48%
Unitholder IRR before incentive fees 14.71% 14.95% 15.73% 9.96%
Unitholder IRR after all fees and expenses 12.74% 12.86% 13.43% 8.45%
Ratios and Supplemental Data        
Members' Capital, end of period $ 819,100 $ 611,229 $ 460,210 $ 196,018
Units outstanding, end of period 12,745,660 12,745,660 10,709,060 7,364,560
Ratios based on average net assets of Members’ Capital:        
Ratio of total expenses before expenses (reimbursed) recaptured to average net asset 9.31% 11.56% 11.57% 7.95%
Expense (reimbursed) recaptured by Investment Advisor (0.01%) 0.00% (0.02%) 0.31%
Ratio of total expenses to average net assets 9.30% 11.56% 11.55% 8.26%
Ratio of financing cost to average net assets 4.85% 7.00% 6.10% 2.87%
Ratio of net investment income before expenses (reimbursed) recaptured to average net assets 13.38% 14.41% 13.12% 8.47%
Ratio of net investment income to average net assets 13.39% 14.41% 13.14% 8.16%
Ratio of incentive fees to average net assets 2.10% 2.04% 2.56% 1.45%
Credit facility payable $ 401,700 $ 400,000 $ 369,789 $ 130,689
Asset coverage ratio 3.04% 2.53% 2.24% 2.50%
Portfolio turnover rate 32.91% 29.82% 19.22% 17.69%
[1] Net Asset Value Per Unit (accrual base) equates to the aggregate of the Total Members' Capital and Common Unitholders' undrawn commitment divided by total Common units outstanding.