v3.25.2
Investment Valuations and Fair Value Measurements - Summary of Reconciliation of Balances for Total Investments (Details) - Fair Value, Inputs, Level 3 - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Investment Valuations And Fair Value Measurements [Line Items]        
Beginning Balance $ 290,837 $ 372,783 $ 280,352 $ 371,796
Purchases, including payments received in-kind 8,345 7,296 11,075 16,904
Sales and paydowns of investments (864) (402) (1,256) (610)
Amortization of premium and accretion of discount, net 43 (250) 14 (27)
Net realized losses     $ (32,894)  
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]     Realized Gain (Loss), Investment and Derivative, Operating, before Tax  
Net change in unrealized appreciation/(depreciation) $ (8,772) $ (33,247) $ 32,298 $ (41,883)
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
Ending Balance $ 289,589 $ 346,180 $ 289,589 $ 346,180
Change in net unrealized appreciation/(depreciation) in investments held (8,772) (33,247) 2,831 (41,883)
Debt        
Investment Valuations And Fair Value Measurements [Line Items]        
Beginning Balance 166,033 284,851 172,216 276,377
Purchases, including payments received in-kind 8,345 7,296 11,075 16,904
Sales and paydowns of investments (864) (402) (1,256) (610)
Amortization of premium and accretion of discount, net 43 (250) 14 (27)
Net realized losses     (32,894)  
Net change in unrealized appreciation/(depreciation) (4,800) (29,299) 19,602 (30,448)
Ending Balance 168,757 262,196 168,757 262,196
Change in net unrealized appreciation/(depreciation) in investments held (4,800) (29,299) (9,866) (30,448)
Equity        
Investment Valuations And Fair Value Measurements [Line Items]        
Beginning Balance 124,804 87,932 108,136 95,419
Purchases, including payments received in-kind 0 0 0 0
Sales and paydowns of investments 0 0 0 0
Amortization of premium and accretion of discount, net 0 0 0 0
Net realized losses     0  
Net change in unrealized appreciation/(depreciation) (3,972) (3,948) 12,696 (11,435)
Ending Balance 120,832 83,984 120,832 83,984
Change in net unrealized appreciation/(depreciation) in investments held $ (3,972) $ (3,948) $ 12,697 $ (11,435)