v3.26.3
Financial Highlights (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Jun. 02, 2025
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Investment Company, Net Assets [Roll Forward]                  
Net asset value, beginning of period (in USD per share)       $ 17.33 $ 17.09        
Net investment income (loss ) (in USD per share)       0.96 1.00        
Net realized and unrealized gain (loss) (in USD per share)       (0.63) 0.32        
Net increase (decrease) in net assets resulting from operations (in USD per share)       0.33 1.32        
Distributions declared from earnings (in USD per share)       (1.20) (1.09)        
Repurchase of common shares (in USD per share)       0.16 0        
Issuance of common shares in connection with the Mergers (in USD per share)       0 (0.05)        
Total increase (decrease) in net assets (in USD per share)       (0.71) 0.18        
Net Asset Value, End of Period (in USD per share)   $ 16.62 $ 17.27 $ 16.62 $ 17.27        
Shares outstanding, end of period (in shares)   452,612,089 466,464,720 452,612,089 466,464,720   464,047,623    
Per share market value at end of period (in USD per share)       $ 9.81 $ 13.82        
Total return, based on net market value (in percent)       (24.50%) (15.30%)        
Total return, based on net asset value       7.40% 8.40%        
Ratio of total expenses to average net assets       9.70% 8.50%        
Ratio of net investment income to average net assets       7.60% 7.50%        
Net assets, end of period   $ 7,522,683 $ 8,055,224 $ 7,522,683 $ 8,055,224 $ 7,539,865 $ 8,041,598 $ 7,985,418 $ 3,625,150
Weighted-average shares outstanding—basic (in shares)   456,177,660 466,720,357 460,411,307 389,912,688        
Weighted-average shares outstanding—diluted (in shares)   456,177,660 466,720,357 460,411,307 389,912,688        
Portfolio turnover rate       11.90% 14.10%        
Ratio of total expenses to average net assets       9.70% 8.50%        
Supplemental dividend (in USD per share) $ 0.15