Quarterly report [Sections 13 or 15(d)]

FINANCIAL HIGHLIGHTS (Details)

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FINANCIAL HIGHLIGHTS (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Dec. 31, 2025
Jun. 30, 2025
 [1]
Dec. 31, 2024
Jun. 30, 2024
 [1]
Sep. 30, 2025
Per Common Share Data:          
Net asset value at beginning of period (in USD per share) $ 21.34   $ 21.18    
Income from operations          
Net investment income, basic (in USD per share) 0.50   0.50    
Net realized and unrealized gain (loss) on investments (in USD per share) (0.18)   0.71    
Net realized and unrealized gain (loss) on other (in USD per share) (0.06)   0    
Preferred stock dividends (in USD per share) (0.02)   0    
Total from operations (in USD per share) 0.24   1.21    
Distributions to common stockholders from          
Net investment income (in USD per share) (0.42) $ (0.42) (0.50) $ (0.50)  
Realized gains (in USD per share) (0.03) $ (0.03) (0.40) $ (0.40)  
Total distributions (in dollar per share) (0.45)   (0.90)    
Anti-dilutive effect of common stock issuance          
Anti-dilutive effect of common stock issuance (in USD per share) 0   0.02    
Total capital share transactions (in USD per share) 0   0.02    
Net asset value at end of period (in USD per share) 21.13   21.51    
Per common share market value at beginning of period (in USD per share) 21.87   24.05    
Per common share market value at end of period (in USD per share) $ 20.66   $ 28.44    
Total return (3.43%)   22.22%    
Common stock outstanding at end of period (in shares) 22,593,069   22,329,852   22,593,069
Statement of Assets and Liabilities Data:          
Net assets at end of period $ 477,322   $ 480,316   $ 482,035
Average net assets 482,071   479,320    
Senior Securities Data:          
Borrowings under line of credit, at cost 213,200   61,500    
Preferred Stock 32,552   11,258    
Notes Payable $ 199,500   $ 257,000    
Ratios/Supplemental Data:          
Ratio of net expenses to average net assets – annualized 10.99%   8.96%    
Ratio of net investment income to average net assets – annualized 9.35%   9.37%    
Ratio of expenses to average net assets - annualized 14.17%   12.77%    
Ratio of net investment income (loss) to average net assets – annualized 6.22%   5.61%    
[1] Refer to Note 9 – Distributions to Common Stockholders in the accompanying Notes to Consolidated Financial Statements for additional information.