v3.26.1
Common Stock - Schedule of Stockholders Equity Activity (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Beginning balance (in shares) 135,487,319    
Net assets at beginning of period attributable to common stock $ 1,840,070 $ 1,910,377 $ 1,910,377
Net investment income (loss) 36,549 44,924  
Net realized gain (loss) from investment transactions (32,817) 3,452  
Net change in unrealized appreciation (depreciation) on investments 14,739 (23,517)  
Accretion to redemption value of Series A redeemable convertible preferred stock (5) (5)  
Accrual of Series A redeemable convertible preferred stock distributions (1,226) (1,686)  
Distributions to common stockholders $ (32,517) (44,703)  
Reinvested dividends (in shares) 495,249   2,568,531
Reinvestment of common stockholder distributions $ 6,857 $ 9,991 $ 35,668
Ending balance (in shares) 135,982,568 136,196,142 135,487,319
Net assets at end of period attributable to common stock $ 1,831,650 $ 1,898,833 $ 1,840,070
Common Stock      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Beginning balance (in shares) 135,487,319 135,487,595 135,487,595
Net assets at beginning of period attributable to common stock $ 135 $ 135 $ 135
Reinvested dividends (in shares) 495,249 708,547  
Reinvestment of common stockholder distributions $ 1 $ 1  
Ending balance (in shares) 135,982,568 136,196,142 135,487,319
Net assets at end of period attributable to common stock $ 136 $ 136 $ 135
Additional paid in capital      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Net assets at beginning of period attributable to common stock 2,530,983 2,517,890 2,517,890
Reinvestment of common stockholder distributions 6,856 9,990  
Net assets at end of period attributable to common stock 2,537,839 2,527,880 2,530,983
Total distributable earnings (loss)      
Increase (Decrease) in Stockholders' Equity [Roll Forward]      
Net assets at beginning of period attributable to common stock (691,048) (607,648) (607,648)
Net investment income (loss) 36,549 44,924  
Net realized gain (loss) from investment transactions (32,817) 3,452  
Net change in unrealized appreciation (depreciation) on investments 14,739 (23,517)  
Accretion to redemption value of Series A redeemable convertible preferred stock (5) (5)  
Accrual of Series A redeemable convertible preferred stock distributions (1,226) (1,686)  
Distributions to common stockholders (32,517) (44,703)  
Net assets at end of period attributable to common stock $ (706,325) $ (629,183) $ (691,048)