v3.26.1
Investments - Investment Portfolio at Cost and Fair Value (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Schedule of Investments [Line Items]    
Cost $ 2,833,404 $ 2,767,878
Fair Value $ 2,845,622 $ 2,783,476
% of Total Investments at Fair Value 100.00% 100.00%
First Lien Debt    
Schedule of Investments [Line Items]    
Cost $ 2,604,904 $ 2,554,997
Fair Value $ 2,608,259 $ 2,568,302
% of Total Investments at Fair Value 91.66% 92.27%
Second Lien Debt    
Schedule of Investments [Line Items]    
Cost $ 18,205 $ 15,437
Fair Value $ 18,211 $ 15,437
% of Total Investments at Fair Value 0.64% 0.55%
Other Equity    
Schedule of Investments [Line Items]    
Cost $ 68,267 $ 57,178
Fair Value $ 76,242 $ 58,038
% of Total Investments at Fair Value 2.68% 2.09%
Preferred Equity    
Schedule of Investments [Line Items]    
Cost $ 142,028 $ 140,266
Fair Value $ 142,910 $ 141,699
% of Total Investments at Fair Value 5.02% 5.09%