Quarterly report pursuant to Section 13 or 15(d)

Investments - Investment Portfolio at Cost and Fair Value (Details)

v3.23.1
Investments - Investment Portfolio at Cost and Fair Value (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Investment Holdings [Line Items]    
Amortized Cost $ 6,719,271 $ 5,860,186
Fair Value $ 6,653,479 $ 5,716,521
% of Total Investments at Fair Value 100.00% 100.00%
First lien debt    
Investment Holdings [Line Items]    
Amortized Cost $ 6,623,067 $ 5,755,124
Fair Value $ 6,558,981 $ 5,614,718
% of Total Investments at Fair Value 98.58% 98.22%
Second lien debt    
Investment Holdings [Line Items]    
Amortized Cost $ 47,852 $ 47,764
Fair Value $ 46,315 $ 45,248
% of Total Investments at Fair Value 0.70% 0.79%
Unsecured debt    
Investment Holdings [Line Items]    
Amortized Cost $ 17,099 $ 26,302
Fair Value $ 16,890 $ 25,512
% of Total Investments at Fair Value 0.25% 0.45%
Structured Finance    
Investment Holdings [Line Items]    
Amortized Cost $ 29,011 $ 28,929
Fair Value $ 28,824 $ 28,737
% of Total Investments at Fair Value 0.43% 0.50%
Equity investments    
Investment Holdings [Line Items]    
Amortized Cost $ 2,242 $ 2,067
Fair Value $ 2,469 $ 2,306
% of Total Investments at Fair Value 0.04% 0.04%