v3.26.3
Subsequent Events - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended
Nov. 02, 2026
Oct. 20, 2026
Aug. 04, 2025
Sep. 30, 2026
Nov. 04, 2026
Oct. 30, 2026
Oct. 23, 2026
Dec. 31, 2025
Subsequent Event [Line Items]                
Investments at cost       $ 1,396,358 [1],[2],[3]       $ 1,299,294 [4],[5],[6]
Regular Dividends                
Subsequent Event [Line Items]                
Dividends to stockholders     $ 0.43          
Dividend payable date     Sep. 25, 2025          
Dividend record date     Sep. 18, 2025          
Regular Dividends | Subsequent Events                
Subsequent Event [Line Items]                
Dividends to stockholders $ 0.43              
Supplemental Dividends                
Subsequent Event [Line Items]                
Dividends to stockholders     $ 0.14          
Dividend payable date     Sep. 25, 2025          
Dividend record date     Sep. 18, 2025          
Supplemental Dividends | Subsequent Events                
Subsequent Event [Line Items]                
Dividends to stockholders $ 0.11              
Quarterly Dividends | Subsequent Events                
Subsequent Event [Line Items]                
Dividend payable date Dec. 29, 2026              
Dividend record date Dec. 18, 2026              
First Lien Debt                
Subsequent Event [Line Items]                
Investments at cost [7]       $ 1,138,538       $ 1,014,497
CasePoint Solutions, LLC | First Lien Debt | Subsequent Events                
Subsequent Event [Line Items]                
Investments at cost           $ 25,000    
CasePoint Solutions, LLC | Common Equity | Subsequent Events                
Subsequent Event [Line Items]                
Investments at cost           $ 1,000    
SnugZ USA, LLC | First Lien Debt | Subsequent Events                
Subsequent Event [Line Items]                
Investments at cost         $ 17,600      
June 2029 Notes | Subsequent Events                
Subsequent Event [Line Items]                
Interest rate   6.625%            
Interest rate payment term   semi-annually            
Date of first required payment   Dec. 01, 2026            
SBA Debentures                
Subsequent Event [Line Items]                
Interest rate payment term       semi-annually on March 1 and September 1        
SBA Debentures | 4.987% Fixed Interest Rate | Subsequent Events                
Subsequent Event [Line Items]                
Debt instrument issued amount             $ 8,000  
Interest rate             4.987%  
First Lien Debt Investment | Green Cubes Technology, LLC | First Lien Debt | Subsequent Events                
Subsequent Event [Line Items]                
Nonaccrual status debt recovered $ 22,500              
[1] All debt investments are income producing, unless otherwise indicated. Equity investments are non-income producing unless otherwise noted.
[2] Equity ownership may be held in shares or units of companies related to the portfolio companies. The Company’s investments are generally classified as “restricted securities”, unless otherwise noted, as such term is defined under Regulation S-X Rule 6-03(f) or Securities Act Rule 144. As of September 30, 2026, the Company held restricted securities with an aggregate fair value of $1,435,175, or 185% of the Company's net assets.
[3] See Note 3 to the consolidated financial statements for portfolio composition by geographic location.
[4]

(a) See Note 3 to the consolidated financial statements for portfolio composition by geographic location.
[5]

(b) Equity ownership may be held in shares or units of companies related to the portfolio companies. The Company’s investments are generally classified as “restricted securities”, unless otherwise noted, as such term is defined under Regulation S-X Rule 6-03(f) or Securities Act Rule 144. As of December 31, 2025, the Company held restricted securities with an aggregate fair value of $1,324,753, or 179% of the Company's net assets.
[6]

(c) All debt investments are income producing, unless otherwise indicated. Equity investments are non-income producing unless otherwise noted.
[7]

(1)

Includes unitranche investments, which account for 53.3% and 55.0% of the Company's portfolio on a fair value and cost basis as of September 30, 2026, respectively. Includes unitranche investments, which account for 48.3% and 49.3% of the Company's portfolio on a fair value and cost basis as of December 31, 2025, respectively.