v3.26.1
Borrowings - Summary of Interest Expense, Unused Fees and Amortization of Debt Issuance Costs (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Debt Instrument [Line Items]        
Facility interest $ 7,150 $ 7,616 $ 14,542 $ 15,590
Facility unused fees 318 323 609 625
Amortization of debt issuance costs     331 331
S M B C Facility        
Debt Instrument [Line Items]        
Facility interest 707 518 1,687 1,326
Facility unused fees 151 156 278 294
Amortization of debt issuance costs 88 87 174 174
Total interest and financing expenses $ 946 $ 761 $ 2,139 $ 1,794
Weighted average interest rate 6.10% 6.80% 6.10% 6.70%
Weighted average outstanding balance $ 46,155 $ 30,756 $ 55,415 $ 39,993
2026 Notes        
Debt Instrument [Line Items]        
Facility interest 569 569 1,138 1,138
2028 Notes        
Debt Instrument [Line Items]        
Facility interest 575 575 1,150 1,150
VCC CLO LLC        
Debt Instrument [Line Items]        
Facility interest 5,270 5,881 10,520 11,846
Amortization of debt issuance costs 55 55 109 109
Total interest and financing expenses $ 5,325 $ 5,936 $ 10,629 $ 11,955
Weighted average stated interest rate 5.60% 6.20% 5.60% 6.30%
Weighted average outstanding balance $ 377,500 $ 377,500 $ 377,500 $ 377,500
Unsecured Notes        
Debt Instrument [Line Items]        
Amortization of debt issuance costs 24 24 48 48
Effect of interest rate swap 29 73 47 130
Total interest and financing expenses $ 1,197 $ 1,241 $ 2,383 $ 2,466
Weighted average stated interest rate 9.40% 9.80% 9.40% 9.70%
Weighted average outstanding balance $ 50,000 $ 50,000 $ 50,000 $ 50,000