v3.26.1
Net Assets - Sources of Cash Distribution For Declaration (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Investment Company, Changes in Net Assets [Line Items]    
Distribution amount $ 320,235 $ 231,172
Class I shares    
Investment Company, Changes in Net Assets [Line Items]    
Distributions from net investment income (in dollars per share) $ 0.6400 $ 0.6450
Distributions from net realized gains (in dollars per share) $ 0 $ 0
Investment Company, Dividend Distribution, Net Investment Income (Loss) $ 131,467 $ 80,646
Investment Company, Dividend Distribution, Net Realized Gains (Loss) 0 0
Distribution amount $ 131,467 $ 80,646
Class D shares    
Investment Company, Changes in Net Assets [Line Items]    
Distributions from net investment income (in dollars per share) $ 0.6245 $ 0.6293
Distributions from net realized gains (in dollars per share) $ 0 $ 0
Investment Company, Dividend Distribution, Net Investment Income (Loss) $ 28,649 $ 27,326
Investment Company, Dividend Distribution, Net Realized Gains (Loss) 0 0
Distribution amount $ 28,649 $ 27,326
Class F shares    
Investment Company, Changes in Net Assets [Line Items]    
Distributions from net investment income (in dollars per share) $ 0.6090 $ 0.6135
Distributions from net realized gains (in dollars per share) $ 0 $ 0
Investment Company, Dividend Distribution, Net Investment Income (Loss) $ 140,408 $ 112,232
Investment Company, Dividend Distribution, Net Realized Gains (Loss) 0 0
Distribution amount $ 140,408 $ 112,232
Class S shares    
Investment Company, Changes in Net Assets [Line Items]    
Distributions from net investment income (in dollars per share) $ 0.5874 $ 0.5914
Distributions from net realized gains (in dollars per share) $ 0 $ 0
Investment Company, Dividend Distribution, Net Investment Income (Loss) $ 19,711 $ 10,968
Investment Company, Dividend Distribution, Net Realized Gains (Loss) 0 0
Distribution amount $ 19,711 $ 10,968