v3.26.1
Investments - Additional Information (Details)
£ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Jun. 30, 2026
GBP (£)
Dec. 31, 2025
GBP (£)
Schedule of Investments [Line Items]              
Percentage of beneficial ownership of voting securities for affiliation     5.00%        
Percentage of minimum beneficial ownership of voting securities for control     25.00%        
Percentage of minimum board representation for control     50.00%        
Investment, foreign currency contract, notional amount to be purchased $ 0   $ 0   $ 28,900,000    
Foreign currency forward contracts outstanding 0   0   711,000 [1]    
Net realized gain (loss) on forward contracts and foreign currency transactions (873,000) $ (11,000) (878,000) $ (11,000)      
Derivative assets subject to master netting arrangement 0   0        
Derivative liabilities subject to master netting arrangement 0   0   711,000    
Open Forward Foreign Currency Contract, Identifier [Axis]: Counterparty Canadian Imperial Bank of Commerce              
Schedule of Investments [Line Items]              
Foreign currency forward contracts outstanding [1]         711,000    
Derivative liabilities subject to master netting arrangement         711,000    
Open Forward Foreign Currency Contract, Identifier [Axis]: Counterparty Canadian Imperial Bank of Commerce Maturity Date 5/14/2026              
Schedule of Investments [Line Items]              
Investment, foreign currency contract, notional amount to be sold | £           £ 22,000 £ 21,964
Investment, foreign currency contract, notional amount to be purchased $ 28,900,000   28,900,000   $ 28,873,000    
Maturity Date May 14, 2026       May 14, 2026    
Net realized gain (loss) on forward contracts and foreign currency transactions $ 900,000            
Open Forward Foreign Currency Contract, Identifier [Axis]: Foreign Currency British Pound Sterling Canadian Imperial Bank of Commerce Maturity Date 5/14/2026              
Schedule of Investments [Line Items]              
Investment, foreign currency contract, notional amount to be sold         $ 21,964,000    
Investment, foreign currency contract, notional amount to be purchased         $ 28,873,000    
Maturity Date         May 14, 2026    
Warrant Contract              
Schedule of Investments [Line Items]              
Net realized gains (losses) 3,300,000 0 3,500,000 (1,300,000)      
Net unrealized gain (loss) $ (1,800,000) $ 100,000 $ (3,200,000) $ 900,000      
[1] Net amount of derivative liabilities represents the net amount due from the Company to the counterparty.