v3.26.1
Commitments, Contingencies, and Off-Balance Sheet Arrangements - Schedule of Unfunded Commitments to Extend Financing (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing $ 146,729 $ 145,530
Autobooks, Inc. | Senior Secured Term Loan    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing 3,400 10,400
BlueConic Holding, Inc. (fka Blueshift Labs, Inc.) | Senior Secured Term Loan    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing   150
Bombora, Inc. | Senior Secured Term Loan    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing 500 500
CarNow, Inc. | Senior Secured Term Loan    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing   4,000
Digicert, Inc. | Senior Secured Revolver    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing 673 673
HR Pharmaceuticals, LLC | Senior Secured Term Loan    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing 708  
HR Pharmaceuticals, LLC | Senior Secured Revolver    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing 480  
Marley Spoon SE | Senior Secured Term Loan    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing   5,756
Marley Spoon SE | Senior Secured Revolver    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing   4,851
Marley Spoon SE | Subordinated Debt - Senior Tranche Term Loan    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing 28,884  
Onward Medical, N.V. | Senior Secured Term Loan    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing 38,982 38,982
Route 92 Medical, Inc. | Senior Secured Term Loan    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing   20,000
Runway-Cadma I LLC | Joint Venture    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing 22,820 22,718
Shield Therapeutics PLC | Senior Secured Term Loan    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing 15,000 18,000
Shepherd Intermediate, LLC (dba FHAS) | Senior Secured Term Loan    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing 1,042 2,083
Shepherd Intermediate, LLC (dba FHAS) | Senior Secured Revolver    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing 417 417
Swing Education, Inc. | Senior Secured Term Loan    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing 2,000 2,000
Swing Education, Inc. | Senior Secured Revolver    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing 10,000 10,000
Snap! Mobile, Inc. | Senior Secured Term Loan    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing   $ 5,000
Under Technologies, Inc. (dba Rho) | Senior Secured Revolver    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing 20,000  
13 Scents, Inc | Senior Secured Revolver    
Schedule Of Investments [Line Items]    
Total unused commitments to extend financing $ 1,823