v3.26.3
Distributions - Schedule of Declared on GAAP Basis (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Distribution Made to Limited Liability Company (LLC) Member [Line Items]          
Amount     $ 34,025 $ 31,732  
% of Distributions Declared     100.00% 100.00%  
Expense support received $ 13 $ (2,875) $ 13 $ 1,017 $ 950
Income Statement Location [Axis]: us-gaap:ExpenseRelatedToDistributionOrServicingAndUnderwritingFees          
Distribution Made to Limited Liability Company (LLC) Member [Line Items]          
Amount     $ 17,398 $ 15,830  
% of Distributions Declared     51.10% 49.90%  
Income Statement Location [Axis]: us-gaap:NetInvestmentIncome          
Distribution Made to Limited Liability Company (LLC) Member [Line Items]          
Amount     $ 16,627 $ 14,470  
% of Distributions Declared     48.90% 45.60%  
Expense support received     $ 13 $ 1,017  
Income Statement Location [Axis]: us-gaap:RealizedInvestmentGainsLosses          
Distribution Made to Limited Liability Company (LLC) Member [Line Items]          
Amount     $ 0 $ 1,432  
% of Distributions Declared     0.00% 4.50%