v3.26.1
Agreements and Related Party Transactions - Narrative (Details)
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jan. 26, 2026
USD ($)
Dec. 31, 2025
USD ($)
component
$ / shares
shares
Dec. 29, 2025
USD ($)
Dec. 19, 2025
$ / shares
shares
Dec. 05, 2025
Sep. 26, 2025
$ / shares
shares
Mar. 31, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Dec. 30, 2025
USD ($)
Related Party Transaction [Line Items]                      
Base management fee                 $ 357,000 $ 703,000  
Incentive fee                 302,000 532,000  
Accounts payable and other liabilities $ 2,872,000               2,872,000 2,872,000  
Related Party                      
Related Party Transaction [Line Items]                      
Accounts payable and other liabilities 1,940,000               1,940,000 1,940,000  
Related Party | Revolving Credit Facility | Unsecured Debt                      
Related Party Transaction [Line Items]                      
Maximum borrowing capacity 100,000,000               100,000,000 100,000,000  
Related Party | GPIF S Funding And GPIF S Holdings                      
Related Party Transaction [Line Items]                      
Estimated purchase price       $ 74,637,000              
Estimated purchase price, cash payment     $ 61,000,000                
Principal amount     $ 13,637,000                
Repayments of debt   $ 13,637,000                  
Related Party | Investment Advisor Stock Sale                      
Related Party Transaction [Line Items]                      
Sale of stock, number of shares issued in transaction (in shares) | shares     820,400   820,000   400        
Price per share sold (in dollars per share) | $ / shares     $ 25.00   $ 25.00   $ 25.00        
Investment Advisory Agreement | Related Party                      
Related Party Transaction [Line Items]                      
Number of components | component     2                
Management and service fees, base rate (in percent)     1.25%                
Base management fee                 357,000 703,000  
Incentive fee accrued                 0 0  
Capital gain incentive fee payable 0               0 0  
Initial term (in years)           2 years          
Written notice for termination (in days)           60 days          
Investment Advisory Agreement - Incentive Rate, Quarterly Hurdle Rate | Related Party                      
Related Party Transaction [Line Items]                      
Management and service fees, incentive rate (in percent)     1.25%                
Investment Advisory Agreement - Incentive Rate, Annualized Hurdle Rate | Related Party                      
Related Party Transaction [Line Items]                      
Management and service fees, incentive rate (in percent)     5.00%                
Investment Advisory Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income Below Catch-Up | Related Party                      
Related Party Transaction [Line Items]                      
Management and service fees, incentive rate (in percent)     100.00%                
Investment Advisory Agreement - Incentive Rate, Quarterly Catch-Up Threshold | Related Party                      
Related Party Transaction [Line Items]                      
Management and service fees, incentive rate (in percent)     1.43%                
Investment Advisory Agreement - Incentive Rate, Annualized Catch-Up Threshold | Related Party                      
Related Party Transaction [Line Items]                      
Management and service fees, incentive rate (in percent)     5.72%                
Investment Advisory Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income Exceeds Catch-Up Threshold | Related Party                      
Related Party Transaction [Line Items]                      
Management and service fees, incentive rate (in percent)     12.50%                
Investment Advisory Agreement - Incentive Rate, Post Hurdle Rate and Catch-Up | Related Party                      
Related Party Transaction [Line Items]                      
Management and service fees, incentive rate (in percent)     12.50%                
Investment Advisory Agreement, Income Incentive Fee | Related Party                      
Related Party Transaction [Line Items]                      
Incentive fee                 302,000 532,000  
Investment Advisory Agreement - Incentive Rate, Realized Capital Gains | Related Party                      
Related Party Transaction [Line Items]                      
Management and service fees, incentive rate (in percent)     12.50%                
Administration Agreement | Related Party                      
Related Party Transaction [Line Items]                      
Accounts payable and other accrued liabilities 77,000               77,000 $ 77,000  
Initial term (in years)           2 years          
Managing Dealer Agreement                      
Related Party Transaction [Line Items]                      
Shareholder servicing and distribution fees (in percent)                   0.0085  
Variable managing dealer fee     0.0175%                
Expenses paid                 6,000 $ 14,000  
Managing Dealer Agreement | Related Party                      
Related Party Transaction [Line Items]                      
Written notice for termination (in days)     60 days                
Expense Support and Conditional Reimbursement Agreement | Related Party                      
Related Party Transaction [Line Items]                      
Expense payment period (in days)     45 days                
Excess operating funds payment period (in years)     3 years                
Expense Support Payments by Investment Adviser | Related Party                      
Related Party Transaction [Line Items]                      
Expenses paid 285,000   $ 1,111,000         $ 636,000      
Expense support payment 2,032,000               2,032,000 2,032,000 $ 0
Reimbursement Payments to Investment Adviser | Related Party                      
Related Party Transaction [Line Items]                      
Expenses paid 0   $ 0         $ 0 838,000 838,000  
Expense support payment $ 0               $ 0 $ 0 $ 0