XML 63 R53.htm IDEA: XBRL DOCUMENT v3.25.0.1
Debt - Additional Information (Details) - USD ($)
 12 Months Ended
Aug. 17, 2022
Oct. 08, 2021
Dec. 23, 2020
Jun. 26, 2020
Apr. 24, 2019
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Jul. 25, 2024
Jun. 30, 2024
Debt Instrument [Line Items]                      
Debt instrument asset coverage percentage           312.40% 321.70%        
Aggregate principal amount           $ 175,000,000 $ 210,000,000        
Weighted average interest rate           4.599% 4.346% 4.037%      
Offering expenses           $ 8,785,000 $ 9,367,000        
Loss on extinguishment of debt           (521,000) (23,000) $ (251,000) $ (251,000)    
Secured borrowings           13,674,000 15,880,000        
Aggregate amount of outstanding of senior securities           308,674,000 265,880,000        
Fair value of loans included in investments           $ 13,505,000 $ 15,800,000        
Credit facility, interest rate per annum           0.592% 1.261% 1.20%      
SBA Debentures                      
Debt Instrument [Line Items]                      
Weighted average interest rate           4.316% 4.226% 3.479%      
Offering expenses           $ 6,101,000 $ 5,528,000        
Prepayment of debentures           $ 35,000,000 5,000,000 $ 30,000,000      
Debt instrument, maturity year range, start           2025          
Debt instrument, maturity year range, end           2028          
Loss on extinguishment of debt           $ (521,000) (23,000) $ 251,000      
Debt instrument term           10 years          
Interest rate payment term           semi-annually on March 1 and September 1          
Unused commitments amount           $ 175,000,000 $ 0        
Secured Borrowings                      
Debt Instrument [Line Items]                      
Weighted average interest rate           8.568% 9.407% 7.786%      
4.75% Notes due 2026                      
Debt Instrument [Line Items]                      
Maturity date     Jan. 31, 2026                
Aggregate principal amount     $ 125,000,000                
Interest rate     4.75%                
Net proceeds from the notes     $ 122,134,000                
Underwriting discounts     $ 2,500,000                
Percentage of public offering price     100.00%                
Offering expenses     $ 366,000                
Debt instrument, redemption description           The January 2026 Notes will mature on January 31, 2026 and bear interest at a rate of 4.75%. The January 2026 Notes may be redeemed in whole or in part at any time or from time to time at our option subject to a make whole provision if redeemed before October 31, 2025 (the date falling three months prior to maturity) and at par thereafter. Interest on the January 2026 Notes is payable on January 31 and July 31 of each year. The Company does not intend to list the January 2026 Notes on any securities exchange or automated dealer quotation system.          
3.50% Notes Due 2026                      
Debt Instrument [Line Items]                      
Maturity date   Nov. 15, 2026                  
Aggregate principal amount   $ 125,000,000                  
Interest rate   3.50%                  
Net proceeds from the notes   $ 122,177,000                  
Underwriting discounts   $ 2,500,000                  
Percentage of public offering price   99.996%                  
Offering expenses   $ 318,000                  
Debt instrument, redemption description           The November 2026 Notes will mature on November 15, 2026 and bear interest at a rate of 3.50%. The November 2026 Notes may be redeemed in whole or in part at any time or from time to time at our option subject to a make whole provision if redeemed before August 15, 2026 (the date falling three months prior to maturity) and at par thereafter. Interest on the November 2026 Notes is payable on May 15 and November 15 of each year. The Company does not intend to list the November 2026 Notes on any securities exchange or automated dealer quotation system.          
Revolving Credit Facility | Credit Agreement | ING Capital LLC                      
Debt Instrument [Line Items]                      
Maturity date Aug. 17, 2027     Apr. 24, 2023              
Interest rate after certain conditions satisfied 2.675%     2.50%              
Asset coverage ratio 1.50%     2.00%              
Senior asset coverage ratio 2.00%                    
Credit Facility commitment                   $ 140,000,000 $ 100,000,000
Remaining unused portion of Credit Facility commitment percentage         0.50%            
Performing first lien bank loans, minimum percentage         35.00%            
Revolving Credit Facility | Credit Agreement | ING Capital LLC | SOFR                      
Debt Instrument [Line Items]                      
Interest rate prior to certain conditions satisfied 3.00%     2.675%              
Revolving Credit Facility | Credit Agreement | ING Capital LLC | Maximum                      
Debt Instrument [Line Items]                      
Credit facility, interest rate per annum         2.675%            
Credit facility commitment percentage         35.00%            
Revolving Credit Facility | Credit Agreement | ING Capital LLC | Minimum                      
Debt Instrument [Line Items]                      
Credit facility, interest rate per annum         2.50%