v3.25.2
Fair Value Measurements - Summary of Changes in Fair Value of Financial Instruments Level 3 Inputs (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair value, beginning of period $ 1,368,024 $ 167,278 $ 1,191,944  
Purchases of investments including capitalized PIK interest and dividends 140,964 267,508 326,918 $ 460,617
Proceeds from principal repayments and sales of investments (6,096) (1,421) (21,949) (27,925)
Accretion of discounts 930 891 1,788 980
Net realized gain 21   184  
Net unrealized gain $ 3,278 $ 1,968 $ 8,236 $ 2,552
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Unrealized Gain (Loss) on Investments Unrealized Gain (Loss) on Investments Unrealized Gain (Loss) on Investments Unrealized Gain (Loss) on Investments
Fair value, end of period $ 1,507,121 $ 436,224 $ 1,507,121 $ 436,224
Net unrealized gain included in earnings related to financial instruments still held as of June 30, 2025/2024 included in net unrealized gain on the Consolidated Statements of Operations $ 3,279 $ 1,968 $ 8,525 $ 2,552
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 Unrealized Gain (Loss) on Investments Unrealized Gain (Loss) on Investments
First Lien Debt        
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair value, beginning of period $ 1,283,427 $ 167,278 $ 1,107,757  
Purchases of investments including capitalized PIK interest and dividends 131,148 267,508 317,102 $ 460,617
Proceeds from principal repayments and sales of investments (6,096) (1,421) (21,949) (27,925)
Accretion of discounts 930 891 1,788 980
Fair value, end of period 1,410,939 436,224 1,410,939 436,224
Net unrealized gain included in earnings related to financial instruments still held as of June 30, 2025/2024 included in net unrealized gain on the Consolidated Statements of Operations 1,510 1,968 6,346 2,552
Common equity        
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair value, beginning of period 7,742   7,500  
Purchases of investments including capitalized PIK interest and dividends 8,487   8,487  
Fair value, end of period 17,607   17,607  
Net unrealized gain included in earnings related to financial instruments still held as of June 30, 2025/2024 included in net unrealized gain on the Consolidated Statements of Operations 1,378   1,620  
Preferred Equity        
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair value, beginning of period 76,855   76,687  
Purchases of investments including capitalized PIK interest and dividends 1,329   1,329  
Fair value, end of period 78,575   78,575  
Net unrealized gain included in earnings related to financial instruments still held as of June 30, 2025/2024 included in net unrealized gain on the Consolidated Statements of Operations 391   559  
First Lien Debt Unrealized Gain Loss        
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Net realized gain 21   184  
Net unrealized gain 1,509 $ 1,968 6,057 $ 2,552
Common Equity Unrealized Gain Loss        
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Net unrealized gain 1,378   1,620  
Preferred Equity Unrealized Gain Loss        
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Net unrealized gain $ 391   $ 559