v3.26.3
Financial Highlights - Schedule of Financial Highlights (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Investment Company, Financial Highlights [Abstract]            
Net Asset Value, Beginning of Period [1] $ 16.32 $ 16.7        
Results of Operations:            
Net Investment Income (Loss) [1] 1.3 1.23        
Net Realized and Unrealized Gain (Loss) on Investments [1],[2] (0.78) (0.22)        
Net Increase (Decrease) in Net Assets Resulting from Operations [1] 0.52 1.01        
Dividends to Common Stockholders [Abstract]            
Dividends [1] (1.2) (1.4)        
Net Decrease in Net Assets Resulting from Dividends [1] (1.2) (1.4)        
Capital Share Transactions            
Repurchase of Common Stock [1] 0.07 0.03        
Net Increase (Decrease) Resulting from Capital Share Transactions [1] 0.07 0.03        
Net Asset Value, End of Period [1] 15.71 16.34        
Per Share Market Value, End of Period [1] $ 12.56 $ 13.32        
Shares Outstanding, End of Period (in Shares) 65,950,801 [1] 69,764,799 [1]   67,998,184    
Ratio/Supplemental Data            
Net assets, end of period (in Dollars) $ 1,036,262 [1] $ 1,140,096 [1] $ 1,059,652 $ 1,109,931 $ 1,157,331 $ 1,186,342
Weighted-average shares outstanding (in Shares) [1] 66,506,862 70,852,621        
Total Return based on net asset value [1],[3] 5.00% 7.10%        
Total Return based on market value [1],[4] (4.30%) (11.90%)        
Portfolio turnover [1] 11.90% 19.50%        
Ratio of operating expenses to average net assets before waivers [1],[5] 10.70% 10.20%        
Ratio of operating expenses to average net assets with waiver [1],[5] 10.70% 9.90%        
Ratio of net investment income (loss) to average net assets [1],[5] 10.80% 10.00%        
[1] The per common share data was derived by using weighted average shares outstanding.
[2] Realized and unrealized gains and losses per share in this caption are balancing amounts necessary to reconcile the change in net asset value per share for the period and may not be consistent or reconcile with the aggregate gains and losses in the Consolidated Statement of Operations due to the timing of share transactions during the period. For the nine months ended September 30, 2026, includes less than $0.01 per share of deferred income tax expense on unrealized appreciation on investments.
[3] Total return is calculated as the change in net asset value (“NAV”) per share during the period, plus distributions per share (if any), divided by the beginning NAV per share. The calculation also assumes reinvestment of dividends at actual prices pursuant to the Company’s dividend reinvestment plan. Total return is not annualized.
[4] Total return based on market value is calculated as the change in market value per share during the respective periods, plus distributions per share, if any, divided by the beginning market value per share. The calculation also assumes reinvestment of dividends at actual prices pursuant to the Company’s dividend reinvestment plan.
[5] Ratio is annualized.