v3.26.1
Financial Highlights (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
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) $ 14.81 $ 15.26    
Net investment income (in usd per share) 0.32 0.41    
Net realized and unrealized gain (loss) (in usd per share) (0.37) 0.08    
Net increase (decrease) in net assets resulting from operations (in usd per share) (0.05) 0.49    
Distributions declared from earnings (in usd per share) (0.37) (0.42)    
Repurchase of common shares (in usd per share) 0.02 0    
Issuance of common shares in connection with the OBDE Mergers (in usd per share) 0 (0.19)    
Total increase (decrease) in net assets (in usd per share) (0.40) (0.12)    
Net asset value, end of period (in usd per share) $ 14.41 $ 15.14    
Shares outstanding, end of period (in shares) 496,305,391 511,048,237 499,448,499  
Per share market value at end of period (in usd per share) $ 11.06 $ 14.66    
Total return, based on market value (8.00%) (0.30%)    
Total return, based on net asset value 0.60% 2.00%    
Ratio of total expenses to average net assets 13.10% 15.40%    
Ratio of net investment income to average net assets 8.80% 11.80%    
Net assets, end of period $ 7,154,000 $ 7,739,089 $ 7,397,279 $ 5,952,841
Weighted-average shares outstanding (in shares) 498,903,632 494,825,717    
Portfolio turnover rate 2.50% 6.00%    
Ratio of total expenses to average net assets 0.131 0.154