Quarterly report [Sections 13 or 15(d)]

FINANCIAL HIGHLIGHTS (Details)

v3.25.1
FINANCIAL HIGHLIGHTS (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Dec. 31, 2023
Investment Company, Financial Highlights [Roll Forward]        
NAV as of the beginning of the period (in dollars per share) $ 15.53 $ 15.54    
Net investment income (in dollars per share) 0.38 0.36    
Net realized gain (loss) (in dollars per share) (0.47) (0.05)    
Net unrealized appreciation (depreciation) (in dollars per share) 0.42 (0.03)    
Income tax provision (in dollars per share) 0.03 (0.02)    
Net increase (decrease) in net assets resulting from operations (in dollars per share) 0.36 0.26    
Dividends paid from net investment income (in dollars per share) (0.36) (0.37)    
Distributions paid or accrued (in dollars per share) (0.36) (0.37)    
Dilutive effect of stock offerings (issuing shares below NAV per share) (in dollars per share) (0.16) 0    
Other (in dollars per share) (0.02) 0.01    
NAV as of the end of the period (in dollars per share) 15.35 $ 15.44    
Market value as of the end of the period (in dollars per share) $ 16.47      
Shares outstanding as of the end of the period (in shares) 46,849,531 40,056,294    
NAV as of the end of the period $ 718,940 $ 618,521 $ 624,903 $ 622,307
Average NAV 671,922 620,414    
Average outstanding debt $ 517,938 $ 488,688    
Ratios to average NAV:        
Ratio of total expenses, including income tax expense, to average NAV (as a percent) 2.24% 3.62%    
Ratio of operating expenses to average NAV (as a percent) 2.45% 3.47%    
Ratio of operating expenses excluding interest expense, to average NAV (as a percent) 1.22% 1.93%    
Ratio of operating expenses, excluding interest expense and incentive fees to average NAV (as a percent) 0.92% 1.34%    
Ratio of net investment income to average NAV (as a percent) 2.50% 2.34%    
Portfolio turnover ratio (as a percent) 5.02% 4.72%    
Investment Company, Total Return, Market Value 8.47%      
Total return based on change in NAV (as a percent) 2.54% 1.70%    
Purchase of stock at the public offering price (in dollars per share) $ 15.53      
Expense waivers $ 0 $ 2,100    
Investment Company, Ratio To Average Net Assets Excluding Expense Waivers        
Ratio of total expenses, including income tax expense, to average NAV (as a percent)   3.97%    
Ratio of operating expenses to average NAV (as a percent)   3.81%    
Ratio of operating expenses, excluding interest expense, to average NAV (as a percent)   2.27%    
Ratio of operating expenses, excluding interest expense and incentive fees, to average NAV (as a percent)   0.0169    
Ratio of net investment income to average NAV (as a percent)   2.01%