Quarterly report [Sections 13 or 15(d)]

Financial Highlights (Details)

v3.25.1
Financial Highlights (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Dec. 31, 2023
Per share data        
Net asset value at beginning of period (in dollars per share) $ 11.66 $ 11.43    
Total from investment operations (in dollars per share) 0.29 0.57    
Net increase (decrease) in net assets from capital share transactions (in dollars per share) 0.04 0.09    
Distributions of net investment income (in dollars per share) (0.47) (0.48)    
Stock-based compensation expense included in net investment income and other movements (in dollars per share) 0.03 0.02    
Net asset value at ending of period (in dollars per share) 11.55 11.63    
Ratios and supplemental data:        
Per share market value at end of period (in dollars per share) $ 19.21 $ 18.45    
Total return (2.03%) 13.57%    
Shares outstanding at end of period (in shares) 173,285 162,230    
Weighted average shares outstanding (in shares) 171,494 157,445    
Net assets at end of period $ 2,000,630 $ 1,885,938 $ 1,989,581 $ 1,802,706
Ratio of total expense to average net assets 8.33% 9.32%    
Ratio of net investment income before investment gains and losses to average net assets 15.35% 17.40%    
Portfolio turnover rate 3.40% 4.83%    
Weighted average debt outstanding $ 1,815,224 $ 1,635,890    
Weighted average debt per common share (in dollars per share) $ 10.58 $ 10.39    
Net Investment Income        
Per share data        
Net gain (loss) (in dollars per share) 0.45 0.50    
Net realized gain (loss)        
Per share data        
Net gain (loss) (in dollars per share) (0.01) 0.05    
Net unrealized appreciation (depreciation)        
Per share data        
Net gain (loss) (in dollars per share) $ (0.15) $ 0.02