v3.26.1
Financial Highlights (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Apr. 02, 2026
Dec. 09, 2021
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Ratios:                    
Ratio of net expenses to average net assets         8.70%          
Ratio of net investment income to average net assets         6.10%          
Supplemental Data:                    
Net assets, end of period     $ 2,701,318 $ 3,305,969 $ 2,701,318 $ 3,305,969 $ 2,835,157 $ 3,580,148 $ 3,245,870 $ 3,008,080
Class S                    
Per share data:                    
Net asset value, at beginning of period (in USD per share)         $ 10.38 $ 10.42        
Net investment income (in USD per share)         0.38 0.43        
Net realized and unrealized gain (loss) (in USD per share)         (0.65) (0.05)        
Net increase (decrease) in net assets resulting from operations (in USD per share)         (0.27) 0.38        
Net increase (decrease) in net assets from shareholders' distributions (in USD per share)         (0.41) (0.43)        
Total increase (decrease) in net assets (in USD per share)         (0.68) (0.05)        
Net asset value, at end of period (in USD per share)     $ 9.70 $ 10.37 $ 9.70 $ 10.37        
Total Return         (2.60%) 3.80%        
Ratios:                    
Ratio of net expenses to average net assets         9.60% 9.00%        
Ratio of net investment income to average net assets         7.50% 8.60%        
Portfolio turnover rate         2.90% 22.50%        
Supplemental Data:                    
Weighted-average shares outstanding (in shares)     79,233,053 82,517,692 80,780,475 79,039,491        
Shares outstanding, end of period (in shares)     76,679,570 83,196,607 76,679,570 83,196,607   90,973,724    
Investment company, subject to maximum upfront sales load   3.50%     3.50% 3.50%        
Investment company, expense ratio after incentive allocation (as a percent)         9.60% 9.00%        
Class S | Common equity investments                    
Supplemental Data:                    
Net assets, end of period     $ 743,628 $ 862,831 $ 743,628 $ 862,831        
Class D                    
Per share data:                    
Net asset value, at beginning of period (in USD per share)         $ 10.38 $ 10.42        
Net investment income (in USD per share)         0.40 0.47        
Net realized and unrealized gain (loss) (in USD per share)         (0.65) (0.05)        
Net increase (decrease) in net assets resulting from operations (in USD per share)         (0.25) 0.42        
Net increase (decrease) in net assets from shareholders' distributions (in USD per share)         (0.44) (0.47)        
Total increase (decrease) in net assets (in USD per share)         (0.69) (0.05)        
Net asset value, at end of period (in USD per share)     $ 9.70 $ 10.37 $ 9.70 $ 10.37        
Total Return         (2.40%) 4.10%        
Ratios:                    
Ratio of net expenses to average net assets         6.60% 8.20%        
Ratio of net investment income to average net assets         4.60% 9.20%        
Portfolio turnover rate         2.90% 22.50%        
Supplemental Data:                    
Weighted-average shares outstanding (in shares)     188,688 1,765,605 675,731 1,693,430        
Shares outstanding, end of period (in shares)     179,836 1,823,268 179,836 1,823,268   2,059,316    
Investment company, subject to maximum upfront sales load   1.50%     1.50% 1.50%        
Investment company, expense ratio after incentive allocation (as a percent)         6.60% 8.20%        
Class D | Common equity investments                    
Supplemental Data:                    
Net assets, end of period     $ 1,744 $ 18,905 $ 1,744 $ 18,905        
Class I                    
Per share data:                    
Net asset value, at beginning of period (in USD per share)         $ 10.38 $ 10.42        
Net investment income (in USD per share)         0.42 0.48        
Net realized and unrealized gain (loss) (in USD per share)         (0.65) (0.05)        
Net increase (decrease) in net assets resulting from operations (in USD per share)         (0.23) 0.43        
Net increase (decrease) in net assets from shareholders' distributions (in USD per share)         (0.45) (0.48)        
Total increase (decrease) in net assets (in USD per share)         (0.68) (0.05)        
Net asset value, at end of period (in USD per share)     $ 9.70 $ 10.37 $ 9.70 $ 10.37        
Total Return         (2.20%) 4.20%        
Ratios:                    
Ratio of net expenses to average net assets         8.70% 8.30%        
Ratio of net investment income to average net assets         8.20% 9.60%        
Portfolio turnover rate         2.90% 22.50%        
Supplemental Data:                    
Weighted-average shares outstanding (in shares)     212,049,664 241,165,082 216,428,556 236,327,342        
Shares outstanding, end of period (in shares)     201,677,841 233,680,195 201,677,841 233,680,195   251,904,595    
Investment company, expense ratio after incentive allocation (as a percent)         8.70% 8.30%        
Percentage of shares converted 80.00%                  
Class I | Common equity investments                    
Supplemental Data:                    
Net assets, end of period     $ 1,955,946 $ 2,424,233 $ 1,955,946 $ 2,424,233