v3.26.1
Financial Highlights (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Jun. 02, 2025
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 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)   0.37 0.41    
Net realized and unrealized gain (loss) (in USD per share)   (0.84) (0.08)    
Net increase (decrease) in net assets resulting from operations (in USD per share)   (0.47) 0.33    
Distributions declared from earnings (in USD per share)   (0.40) (0.34)    
Repurchase of common shares (in USD per share)   0.05 0    
Issuance of common shares in connection with the Mergers (in USD per share)   0 0.01    
Total increase (decrease) in net assets (in USD per share)   (0.82) 0    
Net Asset Value, End of Period (in USD per share)   $ 16.49 $ 17.09    
Shares outstanding, end of period (in shares)   461,123,693 465,122,953 464,047,623  
Per share market value at end of period (in USD per share)   $ 12.39      
Total return, based on net market value (in percent)   (12.00%)      
Total return, based on net asset value   (1.70%) 1.90%    
Ratio of total expenses to average net assets   8.00% 6.00%    
Ratio of net investment income to average net assets   8.90% 6.80%    
Net assets, end of period   $ 7,605,453 $ 7,946,723 $ 8,041,598 $ 3,625,150
Weighted-average shares outstanding—basic (in shares)   464,266,454 235,351,119    
Weighted-average shares outstanding—diluted (in shares)   464,266,454 235,351,119    
Total capital commitments, end of period     $ 3,134,815    
Ratio of total contributed capital to total committed capital, end of period     100.00%    
Portfolio turnover rate   8.10% 4.90%    
Ratio of total expenses to average net assets   8.00% 6.00%    
Supplemental dividend (in USD per share) $ 0.05