v3.26.1
Consolidated Statements of Assets and Liabilities (Parenthetical) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Investments at cost $ 5,279,464 $ 4,649,579
Foreign currencies, cost $ 8,868 $ 183
Shares issued (in shares) 241,120,040  
Shares outstanding (in shares) 241,120,040 215,892,126
Class I Shares    
Shares authorized (in shares) 77,728,630 64,941,265
Shares issued (in shares) 77,728,630 64,941,265
Shares outstanding (in shares) 77,728,630 64,941,265
Class S Shares    
Shares authorized (in shares) 78,416,326 66,822,242
Shares issued (in shares) 78,416,326 66,822,242
Shares outstanding (in shares) 78,416,326 66,822,242
Class U Shares    
Shares authorized (in shares) 47,324,412 47,404,585
Shares issued (in shares) 47,324,412 47,404,585
Shares outstanding (in shares) 47,324,412 47,404,585
Class R Shares    
Shares authorized (in shares) 29,584,219 29,830,337
Shares issued (in shares) 29,584,219 29,830,337
Shares outstanding (in shares) 29,584,219 29,830,337
Class D Shares    
Shares authorized (in shares) 4,809,476 3,815,313
Shares issued (in shares) 4,809,476 3,815,313
Shares outstanding (in shares) 4,809,476 3,815,313
Class E Shares    
Shares authorized (in shares) 0 40
Shares issued (in shares) 0 40
Shares outstanding (in shares) 0 40
Class F Shares    
Shares authorized (in shares) 3,256,897 3,078,264
Shares issued (in shares) 3,256,897 3,078,264
Shares outstanding (in shares) 3,256,897 3,078,264
Class G Shares    
Shares authorized (in shares) 40 40
Shares issued (in shares) 40 40
Shares outstanding (in shares) 40 40
Class H Shares    
Shares authorized (in shares) 40 40
Shares issued (in shares) 40 40
Shares outstanding (in shares) 40 40