Quarterly report pursuant to Section 13 or 15(d)

Investments - Geographic Composition of Investments (Details)

v3.23.2
Investments - Geographic Composition of Investments (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Schedule of Investments [Line Items]    
Amortized Cost $ 7,053,034 $ 5,860,186
Fair Value $ 7,025,359 $ 5,716,521
% of Total Investments at Fair Value 100.00% 100.00%
Fair Value as a % of Net Assets 178.63% 165.44%
Australia    
Schedule of Investments [Line Items]    
Amortized Cost $ 261,746 $ 271,143
Fair Value $ 260,179 $ 269,430
% of Total Investments at Fair Value 3.70% 4.71%
Fair Value as a % of Net Assets 6.61% 7.80%
Canada    
Schedule of Investments [Line Items]    
Amortized Cost $ 55,037 $ 40,335
Fair Value $ 53,706 $ 37,399
% of Total Investments at Fair Value 0.76% 0.65%
Fair Value as a % of Net Assets 1.37% 1.08%
France    
Schedule of Investments [Line Items]    
Amortized Cost $ 35,477 $ 24,513
Fair Value $ 37,024 $ 25,139
% of Total Investments at Fair Value 0.53% 0.44%
Fair Value as a % of Net Assets 0.94% 0.73%
Italy    
Schedule of Investments [Line Items]    
Amortized Cost $ 127,472 $ 122,826
Fair Value $ 135,410 $ 127,443
% of Total Investments at Fair Value 1.93% 2.23%
Fair Value as a % of Net Assets 3.44% 3.69%
Singapore    
Schedule of Investments [Line Items]    
Amortized Cost $ 30,932  
Fair Value $ 30,999  
% of Total Investments at Fair Value 0.44%  
Fair Value as a % of Net Assets 0.79%  
Spain    
Schedule of Investments [Line Items]    
Amortized Cost $ 31,426 $ 31,337
Fair Value $ 32,157 $ 29,958
% of Total Investments at Fair Value 0.46% 0.52%
Fair Value as a % of Net Assets 0.82% 0.87%
Taiwan    
Schedule of Investments [Line Items]    
Amortized Cost $ 44,600 $ 43,619
Fair Value $ 42,816 $ 42,321
% of Total Investments at Fair Value 0.61% 0.74%
Fair Value as a % of Net Assets 1.09% 1.22%
United Kingdom    
Schedule of Investments [Line Items]    
Amortized Cost $ 351,379 $ 240,099
Fair Value $ 364,560 $ 241,933
% of Total Investments at Fair Value 5.19% 4.23%
Fair Value as a % of Net Assets 9.27% 7.00%
United States    
Schedule of Investments [Line Items]    
Amortized Cost $ 6,114,965 $ 5,086,314
Fair Value $ 6,068,508 $ 4,942,898
% of Total Investments at Fair Value 86.38% 86.48%
Fair Value as a % of Net Assets 154.30% 143.05%