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Fair Value Measurements - Additional Information (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
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 0  
Fair value, assets, transfers out of level 3, amount     $ 0 $ 0  
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Realized gain (loss) on investment Realized gain (loss) on investment Realized gain (loss) on investment Realized gain (loss) on investment  
18 and 18 Portfolio Company Investment          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Percentage of portfolio investments at fair value 27.70%   27.70%   29.90%
Level 3          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Net change in unrealized appreciation (depreciation) on investments $ (2,861,000) $ 1,593,000 $ 1,099,000 $ (4,505,000)