Quarterly report pursuant to Section 13 or 15(d)

Financial Highlights (Details)

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Financial Highlights (Details) - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended
Jun. 28, 2024
May 31, 2024
Apr. 30, 2024
Mar. 29, 2024
Feb. 29, 2024
Jul. 31, 2023
Jun. 30, 2023
May 31, 2023
Apr. 28, 2023
Mar. 31, 2023
Feb. 28, 2023
Jun. 30, 2024
Jun. 30, 2023
Mar. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Investment Company, Financial Highlights [Roll Forward]                                
Shares outstanding, end of period (in shares)                       277,761,711     206,889,570  
Supplemental Data:                                
Net assets, end of period             $ 3,933,016     $ 3,695,890   $ 7,087,260 $ 3,933,016 $ 6,247,210 $ 5,185,364 $ 3,455,272
Asset coverage ratio (as a percent)                       265.00%     223.20%  
Investment company, repurchase (in usd per share)                       $ 0.01 $ 0.01      
Common Class I                                
Investment Company, Financial Highlights [Roll Forward]                                
Net value asset, beginning balance (in dollars per share)                       25.06 23.88      
Net investment income (in dollars per share)                       1.42 1.43      
Net unrealized and realized gain (loss) (in dollars per share)                       0.33 0.60      
Net increase (decrease) in net assets resulting from operations (in dollars per share)                       1.75 2.03      
Distributions from net investment income (in dollars per share)                       (1.2900) (1.1880)      
Distributions from net realized gains (in dollars per share)                       0 0      
Declared net distributions (in dollars per share) $ (0.2150) $ (0.2150) $ (0.2150) $ (0.2150) $ (0.2150) $ (0.2050) $ (0.2050) $ (0.2040) $ (0.2030) $ (0.1900) $ (0.1810) (1.2900) (1.1880)      
Early repurchase deduction fee (in dollars per share)                       0 0      
Total increase (decrease) in net assets (in dollars per share)                       0.46 0.84      
Net value asset, ending balance (in dollars per share)   25.55 25.42   25.25   $ 24.72 24.45   24.40 24.56 $ 25.52 $ 24.72      
Shares outstanding, end of period (in shares)             38,403,644         80,453,015 38,403,644   52,457,511  
Total return based on NAV (as a percent)                       7.12% 8.64%      
Ratios:                                
Ratio of net expenses to average net assets (as a percent)                       8.81% 9.43%      
Ratio of net investment income to average net assets (as a percent)                       11.41% 11.90%      
Portfolio turnover rate (as a percent)                       13.07% 5.64%      
Supplemental Data:                                
Asset coverage ratio (as a percent)             224.90%         265.00% 224.90%      
Common Class I | Common equity                                
Supplemental Data:                                
Net assets, end of period             $ 949,403         $ 2,052,817 $ 949,403      
Common Class D                                
Investment Company, Financial Highlights [Roll Forward]                                
Net value asset, beginning balance (in dollars per share)                       $ 25.06 $ 23.88      
Net investment income (in dollars per share)                       1.40 1.40      
Net unrealized and realized gain (loss) (in dollars per share)                       0.32 0.60      
Net increase (decrease) in net assets resulting from operations (in dollars per share)                       1.72 2.00      
Distributions from net investment income (in dollars per share)                       (1.2586) (1.1578)      
Distributions from net realized gains (in dollars per share)                       0 0      
Declared net distributions (in dollars per share) (0.2096) (0.2098) (0.2097) (0.2100) (0.2097) (0.2000) $ (0.1998) (0.1990) (0.1978) (0.1853) (0.1759) (1.2586) (1.1578)      
Early repurchase deduction fee (in dollars per share)                       0 0      
Total increase (decrease) in net assets (in dollars per share)                       0.46 0.84      
Net value asset, ending balance (in dollars per share)   25.55 25.42   25.25   $ 24.72 24.45   24.40 24.56 $ 25.52 $ 24.72      
Shares outstanding, end of period (in shares)             20,410,089         36,330,213 20,410,089   28,192,719  
Total return based on NAV (as a percent)                       6.99% 8.51%      
Ratios:                                
Ratio of net expenses to average net assets (as a percent)                       9.09% 9.76%      
Ratio of net investment income to average net assets (as a percent)                       11.19% 11.75%      
Portfolio turnover rate (as a percent)                       13.07% 5.64%      
Supplemental Data:                                
Asset coverage ratio (as a percent)             224.90%         265.00% 224.90%      
Common Class D | Common equity                                
Supplemental Data:                                
Net assets, end of period             $ 504,572         $ 926,987 $ 504,572      
Common Class F                                
Investment Company, Financial Highlights [Roll Forward]                                
Net value asset, beginning balance (in dollars per share)                       $ 25.06 $ 23.88      
Net investment income (in dollars per share)                       1.36 1.37      
Net unrealized and realized gain (loss) (in dollars per share)                       0.33 0.60      
Net increase (decrease) in net assets resulting from operations (in dollars per share)                       1.69 1.97      
Distributions from net investment income (in dollars per share)                       (1.2270) (1.1278)      
Distributions from net realized gains (in dollars per share)                       0 0      
Declared net distributions (in dollars per share) (0.2042) (0.2046) (0.2043) (0.2050) (0.2044) $ (0.1950) $ (0.1946) (0.1940) $ (0.1926) (0.1807) (0.1709) (1.2270) (1.1278)      
Early repurchase deduction fee (in dollars per share)                       0 0      
Total increase (decrease) in net assets (in dollars per share)                       0.46 0.84      
Net value asset, ending balance (in dollars per share)   25.55 25.42   25.25   $ 24.72 24.45   24.40 24.56 $ 25.52 $ 24.72      
Shares outstanding, end of period (in shares)             100,280,440         152,019,594 100,280,440   125,381,461  
Total return based on NAV (as a percent)                       6.86% 8.38%      
Ratios:                                
Ratio of net expenses to average net assets (as a percent)                       9.35% 9.94%      
Ratio of net investment income to average net assets (as a percent)                       10.95% 11.42%      
Portfolio turnover rate (as a percent)                       13.07% 5.64%      
Supplemental Data:                                
Asset coverage ratio (as a percent)             224.90%         265.00% 224.90%      
Common Class F | Common equity                                
Supplemental Data:                                
Net assets, end of period             $ 2,479,041         $ 3,878,862 $ 2,479,041      
Common Class S                                
Investment Company, Financial Highlights [Roll Forward]                                
Net value asset, beginning balance (in dollars per share)                       $ 25.06        
Net investment income (in dollars per share)                       1.30        
Net unrealized and realized gain (loss) (in dollars per share)                       0.34        
Net increase (decrease) in net assets resulting from operations (in dollars per share)                       1.64        
Distributions from net investment income (in dollars per share)                       (1.1831)        
Distributions from net realized gains (in dollars per share)                       0        
Declared net distributions (in dollars per share) $ (0.1967) (0.1973) (0.1968) $ (0.1981) (0.1970)             (1.1831)        
Early repurchase deduction fee (in dollars per share)                       0        
Total increase (decrease) in net assets (in dollars per share)                       0.46        
Net value asset, ending balance (in dollars per share)   $ 25.55 $ 25.42   $ 25.25   $ 0 $ 0   $ 0 $ 0 $ 25.52 $ 0      
Shares outstanding, end of period (in shares)                       8,958,889     857,879  
Total return based on NAV (as a percent)                       6.68%        
Ratios:                                
Ratio of net expenses to average net assets (as a percent)                       9.51%        
Ratio of net investment income to average net assets (as a percent)                       10.43%        
Portfolio turnover rate (as a percent)                       13.07%        
Supplemental Data:                                
Asset coverage ratio (as a percent)                       265.00%        
Common Class S | Common equity                                
Supplemental Data:                                
Net assets, end of period                       $ 228,594