v3.26.1
Financial Highlights - Summary of Financial Highlights for One Share Common Stock Outstanding (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Investment Company, Financial Highlights [Line Items]            
Net asset value, beginning of period [1] $ 28.51 $ 28.79        
Net investment income [1],[2] 1.9 2.11        
Net realized and unrealized gain (loss) [1],[2] (0.88) (0.1)        
Total from operations [1] 1.02 2.02        
Net Common Share Issuance [1],[3] 0.01          
Dividends declared [1],[4] (1.4) (1.37)        
Total increase (decrease) in net assets [1] (0.39) 0.65        
Net asset value, end of period [1] $ 28.12 $ 29.43        
Total return based on net asset value [5] 7.52% 7.02%        
Common shares outstanding, end of period 161,090,631 [1] 143,143,972 [1]   146,285,685    
Ratio of gross expenses to average net assets without management fee waiver [6] 9.46% 10.40%        
Ratio of net expenses to average net assets with management fee waiver [6] 7.89% 8.84%        
Ratio of net investment income to average net assets without management fee waiver [6] 11.77% 12.98%        
Ratio of net investment income to average net assets with management fee waiver [6] 13.34% 14.54%        
Portfolio turnover [6] 17.90% 34.07%        
Net assets, end of period $ 4,529,689 [6] $ 4,212,253 [6] $ 4,185,646 $ 4,170,488 $ 4,111,606 $ 4,036,470
[1] Table may not sum due to rounding.
[2] The per share data was derived by using the weighted average Common Shares outstanding during the period.
[3] The amount shown at this caption is the balancing amount derived from share issuances. The amount shown for share issuance will fluctuate due to the timing of the share issuances and the weighting of average shares over the period.
[4] The per share data was derived by using the actual shares outstanding at the date of the relevant transactions.
[5] Total return based on net asset value is calculated as the change in net asset value per share during the period plus declared dividends, assuming reinvestment of dividends, divided by the beginning net asset value per share.
[6] The ratios, excluding nonrecurring expenses, such as organization costs, are annualized.