Annual report pursuant to Section 13 and 15(d)

Investments - Industry Composition of Investments at Fair Value (Details)

v3.24.1
Investments - Industry Composition of Investments at Fair Value (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Schedule of Investments [Line Items]    
Fair Value $ 9,289,410 $ 5,716,521
% of Total
Investments at
Fair Value 100.00% 100.00%
Software and Computer Services    
Schedule of Investments [Line Items]    
Fair Value $ 1,472,951 $ 1,158,262
% of Total
Investments at
Fair Value 15.86% 20.26%
Industrial Support Services    
Schedule of Investments [Line Items]    
Fair Value $ 1,063,701 $ 567,804
% of Total
Investments at
Fair Value 11.45% 9.93%
Health Care Providers    
Schedule of Investments [Line Items]    
Fair Value $ 962,244 $ 660,631
% of Total
Investments at
Fair Value 10.36% 11.56%
Medical Equipment and Services    
Schedule of Investments [Line Items]    
Fair Value $ 802,273 $ 210,831
% of Total
Investments at
Fair Value 8.64% 3.69%
Consumer Services    
Schedule of Investments [Line Items]    
Fair Value $ 627,950 $ 458,248
% of Total
Investments at
Fair Value 6.76% 8.02%
Media    
Schedule of Investments [Line Items]    
Fair Value $ 605,503 $ 505,035
% of Total
Investments at
Fair Value 6.52% 8.83%
Non-life Insurance    
Schedule of Investments [Line Items]    
Fair Value $ 531,031 $ 317,816
% of Total
Investments at
Fair Value 5.72% 5.56%
Aerospace and Defense    
Schedule of Investments [Line Items]    
Fair Value $ 475,845 $ 169,856
% of Total
Investments at
Fair Value 5.12% 2.97%
General Industrials    
Schedule of Investments [Line Items]    
Fair Value $ 405,330 $ 265,463
% of Total
Investments at
Fair Value 4.36% 4.64%
Travel and Leisure    
Schedule of Investments [Line Items]    
Fair Value $ 332,032 $ 159,763
% of Total
Investments at
Fair Value 3.57% 2.79%
Pharmaceuticals and Biotechnology    
Schedule of Investments [Line Items]    
Fair Value $ 268,572 $ 196,435
% of Total
Investments at
Fair Value 2.89% 3.44%
Industrial Engineering    
Schedule of Investments [Line Items]    
Fair Value $ 254,138 $ 186,373
% of Total
Investments at
Fair Value 2.74% 3.26%
Investment Banking and Brokerage Services    
Schedule of Investments [Line Items]    
Fair Value $ 160,345 $ 7,606
% of Total
Investments at
Fair Value 1.73% 0.13%
Food Producers    
Schedule of Investments [Line Items]    
Fair Value $ 152,576 $ 86,977
% of Total
Investments at
Fair Value 1.64% 1.52%
Investments in joint ventures    
Schedule of Investments [Line Items]    
Fair Value $ 124,003 $ 0
% of Total
Investments at
Fair Value 1.33% 0.00%
Personal Care, Drug and Grocery Stores    
Schedule of Investments [Line Items]    
Fair Value $ 120,098 $ 117,320
% of Total
Investments at
Fair Value 1.29% 2.05%
Retailers    
Schedule of Investments [Line Items]    
Fair Value $ 113,500 $ 20,322
% of Total
Investments at
Fair Value 1.22% 0.36%
Automobiles and Parts    
Schedule of Investments [Line Items]    
Fair Value $ 112,957 $ 118,440
% of Total
Investments at
Fair Value 1.22% 2.07%
Electricity    
Schedule of Investments [Line Items]    
Fair Value $ 83,267 $ 8,639
% of Total
Investments at
Fair Value 0.90% 0.15%
Personal Goods    
Schedule of Investments [Line Items]    
Fair Value $ 76,471 $ 70,050
% of Total
Investments at
Fair Value 0.82% 1.23%
Telecommunications Service Providers    
Schedule of Investments [Line Items]    
Fair Value $ 70,997 $ 71,695
% of Total
Investments at
Fair Value 0.76% 1.25%
Technology Hardware and Equipment    
Schedule of Investments [Line Items]    
Fair Value $ 70,623 $ 93,161
% of Total
Investments at
Fair Value 0.76% 1.63%
Finance and Credit Services    
Schedule of Investments [Line Items]    
Fair Value $ 59,003 $ 48,448
% of Total
Investments at
Fair Value 0.64% 0.85%
Construction and Materials    
Schedule of Investments [Line Items]    
Fair Value $ 57,171 $ 1,162
% of Total
Investments at
Fair Value 0.62% 0.03%
Oil, Gas and Coal    
Schedule of Investments [Line Items]    
Fair Value $ 44,818 $ 0
% of Total
Investments at
Fair Value 0.48% 0.00%
Gas, Water and Multi-utilities    
Schedule of Investments [Line Items]    
Fair Value $ 43,604 $ 43,242
% of Total
Investments at
Fair Value 0.47% 0.76%
Real Estate Investment and Services    
Schedule of Investments [Line Items]    
Fair Value $ 39,500 $ 44,822
% of Total
Investments at
Fair Value 0.43% 0.78%
Industrial Transportation    
Schedule of Investments [Line Items]    
Fair Value $ 33,196 $ 50,090
% of Total
Investments at
Fair Value 0.36% 0.88%
Structured Finance    
Schedule of Investments [Line Items]    
Fair Value $ 29,868 $ 28,737
% of Total
Investments at
Fair Value 0.32% 0.50%
Asset Based Lending and Fund Finance    
Schedule of Investments [Line Items]    
Fair Value $ 21,341 $ 0
% of Total
Investments at
Fair Value 0.23% 0.00%
Alternative Energy    
Schedule of Investments [Line Items]    
Fair Value $ 16,743 $ 0
% of Total
Investments at
Fair Value 0.18% 0.00%
Chemicals    
Schedule of Investments [Line Items]    
Fair Value $ 15,157 $ 6,960
% of Total
Investments at
Fair Value 0.16% 0.12%
Telecommunications Equipment    
Schedule of Investments [Line Items]    
Fair Value $ 14,880 $ 6,445
% of Total
Investments at
Fair Value 0.16% 0.11%
Industrial Metals and Mining    
Schedule of Investments [Line Items]    
Fair Value $ 11,895 $ 2,922
% of Total
Investments at
Fair Value 0.13% 0.05%
Household Goods and Home Construction    
Schedule of Investments [Line Items]    
Fair Value $ 6,937 $ 17,918
% of Total
Investments at
Fair Value 0.07% 0.31%
Life Insurance    
Schedule of Investments [Line Items]    
Fair Value $ 5,884 $ 5,628
% of Total
Investments at
Fair Value 0.06% 0.10%
Leisure Goods    
Schedule of Investments [Line Items]    
Fair Value $ 1,991 $ 8,498
% of Total
Investments at
Fair Value 0.02% 0.15%
Electronic and Electrical Equipment    
Schedule of Investments [Line Items]    
Fair Value $ 1,015 $ 922
% of Total
Investments at
Fair Value 0.01% 0.02%