v3.26.1
Fair Value of Financial Instruments - Schedule of Level 3 Assets measured at Fair Value (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Beginning Balance $ 913,684 $ 1,058,670
Transfers in (out) of Level 3 0 9,181
Purchases of investments 341,747 54,039
PIK interest 6,754 7,353
Sales or prepayments of investments (43,354) (99,261)
Scheduled principal repayments of investments (12,403) (7,895)
Amortization of Fixed Income Premiums or Accretion of Discounts and ETP 7,242 4,106
Net realized gain (loss) $ (43,127) $ 6,671
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Debt and Equity Securities, Realized Gain (Loss) Debt and Equity Securities, Realized Gain (Loss)
Net change in unrealized gain (loss) $ 8,092 $ (14,682)
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] Debt and Equity Securities, Unrealized Gain (Loss) Debt and Equity Securities, Unrealized Gain (Loss)
Ending Balance $ 1,178,635 $ 1,018,182
Net change in unrealized gain (loss) on Level 3 investments still held $ (8,747) $ (5,574)
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Debt and Equity Securities, Unrealized Gain (Loss) Debt and Equity Securities, Unrealized Gain (Loss)
Senior Secured Loans    
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Beginning Balance $ 853,893 $ 950,092
Transfers in (out) of Level 3 0 0
Purchases of investments 272,181 49,499
PIK interest 6,328 6,977
Sales or prepayments of investments (30,870) (61,906)
Scheduled principal repayments of investments (12,403) (7,895)
Amortization of Fixed Income Premiums or Accretion of Discounts and ETP 7,227 4,026
Net realized gain (loss) (47,643) (1,501)
Net change in unrealized gain (loss) 25,781 2,413
Ending Balance 1,074,494 941,705
Net change in unrealized gain (loss) on Level 3 investments still held 8,282 3,171
Second Lien Loans    
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Beginning Balance 6,434 20,152
Transfers in (out) of Level 3 0 0
Purchases of investments 15,457 0
PIK interest 426 376
Sales or prepayments of investments 0 0
Scheduled principal repayments of investments 0 0
Amortization of Fixed Income Premiums or Accretion of Discounts and ETP 15 80
Net realized gain (loss) 0 0
Net change in unrealized gain (loss) (51) 170
Ending Balance 22,281 20,778
Net change in unrealized gain (loss) on Level 3 investments still held (51) 169
Subordinated Debt    
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Beginning Balance 0  
Transfers in (out) of Level 3 0  
Purchases of investments 31,373  
PIK interest 0  
Sales or prepayments of investments 0  
Scheduled principal repayments of investments 0  
Amortization of Fixed Income Premiums or Accretion of Discounts and ETP 0  
Net realized gain (loss) 0  
Net change in unrealized gain (loss) (5,819)  
Ending Balance 25,554  
Net change in unrealized gain (loss) on Level 3 investments still held (5,818)  
Convertible Note    
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Beginning Balance   0
Transfers in (out) of Level 3   0
Purchases of investments   1,000
PIK interest   0
Sales or prepayments of investments   0
Scheduled principal repayments of investments   0
Amortization of Fixed Income Premiums or Accretion of Discounts and ETP   0
Net realized gain (loss)   0
Net change in unrealized gain (loss)   0
Ending Balance   1,000
Net change in unrealized gain (loss) on Level 3 investments still held   0
Preferred Stock/Units    
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Beginning Balance 36,264 73,460
Transfers in (out) of Level 3 0 9,181
Purchases of investments 2,037 2,773
PIK interest 0 0
Sales or prepayments of investments 0 (37,355)
Scheduled principal repayments of investments 0 0
Amortization of Fixed Income Premiums or Accretion of Discounts and ETP 0 0
Net realized gain (loss) 0 9,255
Net change in unrealized gain (loss) (9,004) (17,765)
Ending Balance 29,297 39,549
Net change in unrealized gain (loss) on Level 3 investments still held (9,004) (8,510)
Common Stock/Units    
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Beginning Balance 18 16
Transfers in (out) of Level 3 0 0
Purchases of investments 645 0
PIK interest 0 0
Sales or prepayments of investments 0 0
Scheduled principal repayments of investments 0 0
Amortization of Fixed Income Premiums or Accretion of Discounts and ETP 0 0
Net realized gain (loss) 0 0
Net change in unrealized gain (loss) (29) 2
Ending Balance 634 18
Net change in unrealized gain (loss) on Level 3 investments still held (29) 2
Equity Interest    
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Beginning Balance 1,493 1,198
Transfers in (out) of Level 3 0 0
Purchases of investments 0 0
PIK interest 0 0
Sales or prepayments of investments (2,000) 0
Scheduled principal repayments of investments 0 0
Amortization of Fixed Income Premiums or Accretion of Discounts and ETP 0 0
Net realized gain (loss) 1,050 0
Net change in unrealized gain (loss) (543) (203)
Ending Balance 0 995
Net change in unrealized gain (loss) on Level 3 investments still held 0 (203)
Warrants & Other Contractual Rights    
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Beginning Balance 15,582 13,752
Transfers in (out) of Level 3 0 0
Purchases of investments 20,054 767
PIK interest 0 0
Sales or prepayments of investments (10,484) 0
Scheduled principal repayments of investments 0 0
Amortization of Fixed Income Premiums or Accretion of Discounts and ETP 0 0
Net realized gain (loss) 3,466 (1,083)
Net change in unrealized gain (loss) (2,243) 701
Ending Balance 26,375 14,137
Net change in unrealized gain (loss) on Level 3 investments still held $ (2,127) $ (203)