Annual report pursuant to Section 13 and 15(d)

Net Assets - Summary of Transactions in Common Shares of Beneficial Interest (Details)

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Net Assets - Summary of Transactions in Common Shares of Beneficial Interest (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Investment Company, Changes in Net Assets [Line Items]                    
Share repurchases (in shares) (2,532,864) (1,387,108) (3,992,380) (1,058,869) (419,163) (38,736) (41,118)      
Share repurchases $ (63,474) $ (34,830) $ (98,692) $ (25,836) $ (10,010) $ (938) $ (1,000)      
Net increase (decrease) (in shares)               62,189,920 144,699,550 100
Net increase (decrease)               $ 1,542,813 $ 3,578,608 $ 3
Class I                    
Investment Company, Changes in Net Assets [Line Items]                    
Subscriptions (in shares)               15,800,152 34,268,897 100
Proceeds from shares sold               $ 393,222 $ 849,178 $ 3
Share transfers between classes (in shares)               1,288,666 206,333 0
Share transfers between classes               $ 31,876 $ 4,956 $ 0
Distributions reinvested (in shares)               1,516,435 626,549 0
Distributions reinvested               $ 37,411 $ 15,279 $ 0
Share repurchases (in shares)               (1,249,621) 0 0
Share repurchases               $ (31,023) $ 0 $ 0
Early repurchase deduction (in shares)               0 0 0
Early repurchase deduction               $ 38 $ 57 $ 0
Net increase (decrease) (in shares)               17,355,632 35,101,779 100
Net increase (decrease)               $ 431,524 $ 869,470 $ 3
Class D                    
Investment Company, Changes in Net Assets [Line Items]                    
Subscriptions (in shares)               11,538,818 17,287,026 0
Proceeds from shares sold               $ 285,908 $ 427,775 $ 0
Share transfers between classes (in shares)               (182,120) 0 0
Share transfers between classes               $ (4,757) $ 0 $ 0
Distributions reinvested (in shares)               1,004,668 251,233 0
Distributions reinvested               $ 24,835 $ 6,105 $ 0
Share repurchases (in shares)               (1,706,906) 0 0
Share repurchases               $ (42,429) $ 0 $ 0
Early repurchase deduction (in shares)               0 0 0
Early repurchase deduction               $ 20 $ 28 $ 0
Net increase (decrease) (in shares)               10,654,460 17,538,259 0
Net increase (decrease)               $ 263,577 $ 433,908 $ 0
Class F                    
Investment Company, Changes in Net Assets [Line Items]                    
Subscriptions (in shares)               35,926,975 91,204,624 0
Proceeds from shares sold               $ 891,120 $ 2,254,046 $ 0
Share transfers between classes (in shares)               (1,161,369) (206,333) 0
Share transfers between classes               $ (28,496) $ (4,956) $ 0
Distributions reinvested (in shares)               4,571,037 1,560,238 0
Distributions reinvested               $ 112,818 $ 37,939 $ 0
Share repurchases (in shares)               (6,014,694) (499,017) 0
Share repurchases               $ (149,380) $ (11,948) $ 0
Early repurchase deduction (in shares)               0 0 0
Early repurchase deduction               $ 101 $ 149 $ 0
Net increase (decrease) (in shares)               33,321,949 92,059,512 0
Net increase (decrease)               $ 826,163 $ 2,275,230 $ 0
Class S                    
Investment Company, Changes in Net Assets [Line Items]                    
Subscriptions (in shares)               802,164    
Proceeds from shares sold               $ 20,150 0 0
Share transfers between classes (in shares)               54,823    
Share transfers between classes               $ 1,377 0 0
Distributions reinvested (in shares)               892    
Distributions reinvested               $ 22 0 0
Share repurchases (in shares)               0    
Share repurchases               $ 0    
Early repurchase deduction (in shares)               0    
Early repurchase deduction               $ 0    
Net increase (decrease) (in shares)               857,879    
Net increase (decrease)               $ 21,549 $ 0 $ 0