v3.25.3
Debt - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Jun. 09, 2025
Sep. 30, 2025
Sep. 30, 2025
Sep. 30, 2024
Aug. 21, 2018
Dec. 31, 2024
Dec. 17, 2024
Line of Credit Facility [Line Items]              
Debt, weighted average interest rate   6.82% 6.82%     7.53%  
Silver Merger Sub LLC              
Line of Credit Facility [Line Items]              
Merger agreement date     Dec. 17, 2024        
SPV              
Line of Credit Facility [Line Items]              
Commitment fee percentage     1.00%        
Revolving Credit Facility              
Line of Credit Facility [Line Items]              
Asset coverage ratio   150.00% 150.00%        
Revolving Credit Facility | Minimum              
Line of Credit Facility [Line Items]              
Asset coverage ratio   200.00% 200.00%        
JPM Revolving Credit Facility              
Line of Credit Facility [Line Items]              
Revolving credit facility, terminated     May 31, 2024        
Average outstanding balance       $ 18,017      
Revolving credit facility interest rate description     Borrowings under the JPM Revolving Credit Facility bore interest (at SPV's election) at a per annum rate equal to either (x) the three-month Term SOFR (or other listed offered rate, depending upon the currency of borrowing) in effect and (y) a rate per annum equal to the greater of (i) the prime rate of JPM in effect on such day and (ii) the Federal Funds Effective Rate in effect on such day plus 0.50%; and, with respect to advances denominated in a currency other than USD, the annual rate of interest announced by JPM as being the reference rate then in effect for determining interest rates on commercial loans made in the applicable jurisdiction of such currency, in all cases, plus the applicable margin. The applicable margin was 3.50% per annum. SPV initially paid a commitment fee of 1.00% per annum (or 0.50% per annum during the first nine months from the date the JPM Revolving Credit Facility was entered into) on the average daily unused amount of the financing commitments until the third anniversary of the JPM Revolving Credit Facility.        
Applicable margin rate     3.50%        
Commitment fee percentage         0.50%    
Cost incurred in obtaining revolving credit facility   $ 8,557 $ 8,557        
JPM Revolving Credit Facility | Federal Funds Rate              
Line of Credit Facility [Line Items]              
Variable interest rate (as a percent)     0.50%        
JPM Term Loan Facility              
Line of Credit Facility [Line Items]              
Principal amount outstanding   148,432 $ 148,432       $ 293,132
Aggregate principal amount in merger advance   76,605 76,605        
Average outstanding balance   155,964 $ 233,371        
Revolving credit facility interest rate description     Advances under the JPM Term Loan Facility are made in U.S. dollars. The interest charged on the JPM Term Loan Facility is based on 3-month Term SOFR (or, if Term SOFR is not available, a benchmark replacement or a “base rate” (which is the greater of a prime rate and the federal funds rate plus 0.50%), as applicable), plus an applicable margin of 2.40%. Any amounts outstanding under the JPM Term Loan Facility must be repaid by October 25, 2027.        
Variable interest rate (as a percent)     2.40%        
Cost incurred in obtaining revolving credit facility   1,006 $ 1,006        
Outstanding deferred financing costs   $ 738 $ 738        
JPM Term Loan Facility | Federal Funds Rate              
Line of Credit Facility [Line Items]              
Variable interest rate (as a percent)     0.50%        
Amended JPM Term Loan Facility              
Line of Credit Facility [Line Items]              
Increase in aggregate facility committments $ 290,000            
Commitment fee percentage 0.50%            
Debt              
Line of Credit Facility [Line Items]              
Asset coverage ratio requirement, description     Investment Company Act, is at least 200% after such borrowing (or 150% if certain requirements are met). The JPM Revolving Credit Facility was fully repaid on May 8, 2024 and was terminated effective May 31, 2024. As of September 30, 2025, $148,432 in principal amount was outstanding under the JPM Term Loan Facility. As of September 30, 2025 and December 31, 2024, the Company’s asset coverage ratio based on the aggregate amount outstanding of senior securities was 310% and 219%.        
Asset coverage ratio   310.00% 310.00%     219.00%  
Average outstanding balance     $ 233,371     $ 25,502