v3.25.4
Fair Value Measurement - Summary of Changes in Fair Value of Level 3 Assets by Investment Type (Details) - Level 3 - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Beginning Balance $ 582,495 $ 449,627
Purchases [1] 59,271 382,460
Net Realized Gain (Loss) (60,506) (13,891)
Net Change in Unrealized Appreciation (Depreciation) 61,056 (46,969)
Sales and Settlements [1] (316,317) (190,734)
Net Amortization of Premium/Discount 3,256 2,002
Ending Balance 329,255 582,495
Fair Value Assets Measured On Recurring Basis Change In Unrealized Appreciation Depreciation For Assets Still Held $ 3,118 $ (51,239)
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Unrealized Gain (Loss) on Investments Unrealized Gain (Loss) on Investments
1st Lien/Senior Secured Debt    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Beginning Balance $ 419,988 $ 303,646
Purchases [1] 36,491 301,794
Net Realized Gain (Loss) (59,274) (16,549)
Net Change in Unrealized Appreciation (Depreciation) 53,308 (39,668)
Sales and Settlements [1] (248,157) (130,626)
Net Amortization of Premium/Discount 2,628 1,391
Ending Balance 204,984 419,988
Fair Value Assets Measured On Recurring Basis Change In Unrealized Appreciation Depreciation For Assets Still Held (1,499) (44,061)
1st Lien/Last-Out Unitranche    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Beginning Balance 142,219 64,838
Purchases [1] 11,439 76,793
Net Change in Unrealized Appreciation (Depreciation) 124 477
Sales and Settlements [1] (68,160) (205)
Net Amortization of Premium/Discount 732 316
Ending Balance 86,354 142,219
Fair Value Assets Measured On Recurring Basis Change In Unrealized Appreciation Depreciation For Assets Still Held (1,774) 477
2nd Lien/Senior Secured Debt    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Beginning Balance 16,934 52,753
Purchases [1] 1,548 2,611
Net Change in Unrealized Appreciation (Depreciation) 10,457 5,941
Sales and Settlements [1]   (44,871)
Net Amortization of Premium/Discount (104) 500
Ending Balance 28,835 16,934
Fair Value Assets Measured On Recurring Basis Change In Unrealized Appreciation Depreciation For Assets Still Held 10,457 6,221
Unsecured Debt    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Beginning Balance   19,344
Purchases [1]   1,262
Net Change in Unrealized Appreciation (Depreciation)   (11,528)
Sales and Settlements   (8,873)
Net Amortization of Premium/Discount   (205)
Fair Value Assets Measured On Recurring Basis Change In Unrealized Appreciation Depreciation For Assets Still Held 1 (13,877)
Preferred Stock    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Beginning Balance   3,086
Purchases [1] 5,738  
Net Realized Gain (Loss)   2,158
Net Change in Unrealized Appreciation (Depreciation) (10) [1] (1,590)
Sales and Settlements   (3,654)
Ending Balance 5,728  
Fair Value Assets Measured On Recurring Basis Change In Unrealized Appreciation Depreciation For Assets Still Held (11)  
Common Stock    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Beginning Balance 3,354 5,880
Purchases [1] 4,055  
Net Realized Gain (Loss) (1,232) 605
Net Change in Unrealized Appreciation (Depreciation) (2,823) (626)
Sales and Settlements [1]   (2,505)
Ending Balance 3,354 3,354
Fair Value Assets Measured On Recurring Basis Change In Unrealized Appreciation Depreciation For Assets Still Held (4,055)  
Warrants    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Beginning Balance   80
Net Realized Gain (Loss)   (105)
Net Change in Unrealized Appreciation (Depreciation)   25
Fair Value Assets Measured On Recurring Basis Change In Unrealized Appreciation Depreciation For Assets Still Held $ (1) $ 1
[1] Purchases may include PIK, capitalized fees, securities received in corporate actions and restructurings. Sales and Settlements may include securities delivered in corporate actions and restructuring of investments.