v3.26.1
Investment Portfolio Financing Arrangements - Schedule of Information Related to Secured Credit Agreements (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Feb. 22, 2022
Jun. 30, 2026
Dec. 31, 2025
May 12, 2026
Nov. 07, 2025
Dec. 31, 2022
Debt Instrument [Line Items]            
Balance outstanding   $ 3,531,816        
Maximum commitment amount $ 250,000         $ 290,000
Secured Credit Agreements and Secured Credit Facilities            
Debt Instrument [Line Items]            
Commitment amount   2,300,000 $ 1,700,000      
Maximum current availability   1,308,022 1,108,755      
Balance outstanding   991,978 591,245      
Principal balance of collateral   1,670,272 785,701      
Amortized cost of collateral   1,665,696 782,603      
Secured Credit Agreements            
Debt Instrument [Line Items]            
Balance outstanding   $ 991,978 $ 591,245      
Recourse guarantee percentage   25.00%        
Holdco            
Debt Instrument [Line Items]            
Recourse guarantee percentage 100.00%          
Holdco | Secured Credit Agreements            
Debt Instrument [Line Items]            
Recourse guarantee percentage   25.00% 25.00%      
Goldman Sachs | Debt Instrument Interest Rate At 7.5% | Secured Credit Agreements and Secured Credit Facilities            
Debt Instrument [Line Items]            
Wtd. avg. credit spread   1.80% 1.80%      
Wtd. avg. interest rate   5.40% 5.50%      
Commitment amount   $ 750,000 $ 500,000      
Maximum current availability   371,192 130,233      
Balance outstanding   378,808 369,767      
Principal balance of collateral   510,190 499,717      
Amortized cost of collateral   $ 509,313 $ 498,501      
Term out period         2 years  
Wells Fargo | Debt Instrument Interest Rate At 7.0% | Secured Credit Agreements and Secured Credit Facilities            
Debt Instrument [Line Items]            
Wtd. avg. credit spread   1.50% 1.60%      
Wtd. avg. interest rate   5.10% 5.30%      
Commitment amount   $ 850,000 $ 500,000 $ 850,000    
Maximum current availability   382,221 423,913      
Balance outstanding   467,779 76,087      
Principal balance of collateral   974,770 104,245      
Amortized cost of collateral   $ 971,847 $ 103,296      
Period following amendment not subject to margin calls       1 year    
Citi | Debt Instrument Interest Rate At 6.9% | Secured Credit Agreements and Secured Credit Facilities            
Debt Instrument [Line Items]            
Wtd. avg. credit spread   0.00%        
Wtd. avg. interest rate   0.00%        
Commitment amount   $ 500,000        
Maximum current availability   500,000        
Balance outstanding   0        
Principal balance of collateral   0        
Amortized cost of collateral   $ 0        
Barclays | Debt Instrument Interest Rate At 6.9% | Secured Credit Agreements and Secured Credit Facilities            
Debt Instrument [Line Items]            
Wtd. avg. credit spread     0.00%      
Wtd. avg. interest rate     0.00%      
Commitment amount     $ 500,000      
Maximum current availability     500,000      
Balance outstanding     0      
Principal balance of collateral     0      
Amortized cost of collateral     $ 0      
Bank of America | Debt Instrument, Interest Rate at 7.1% | Secured Credit Agreements and Secured Credit Facilities            
Debt Instrument [Line Items]            
Wtd. avg. credit spread   1.40% 1.40%      
Wtd. avg. interest rate   5.00% 5.10%      
Commitment amount   $ 200,000 $ 200,000      
Maximum current availability   54,609 54,609      
Balance outstanding   145,391 145,391      
Principal balance of collateral   185,312 181,739      
Amortized cost of collateral   $ 184,536 $ 180,806