v3.26.1
Fair Value Measurements - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Fair value, assets, level 1 to level 2 transfers, amount $ 0 $ 0 $ 0 $ 0  
Fair value, assets, level 2 to level 1 transfers, amount $ 0 0 0 0  
Fair value, assets, transfers into level 3, amount     $ 0    
Fair value, assets, transfers out of level 3, amount       0  
21 and 21 Portfolio Company Investment          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Percentage of portfolio investments at fair value 26.40%   26.40%   26.70%
Level 3          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Net change in unrealized appreciation (depreciation) on investments $ 3,596,000 $ 7,554,000 $ (5,294,000) $ 131,000  
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Unrealized Gain (Loss), Investment and Derivative, Operating, before Tax Unrealized Gain (Loss), Investment and Derivative, Operating, before Tax Unrealized Gain (Loss), Investment and Derivative, Operating, before Tax Unrealized Gain (Loss), Investment and Derivative, Operating, before Tax