v3.26.1
Fair Value Measurements - Summary of Fair Value Hierarchy of Financial Instruments (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents $ 128,658 [1],[2],[3],[4] $ 109,302 [5],[6],[7],[8]
Total Portfolio Investments, Cash and Cash Equivalents $ 6,519,712 $ 4,638,366
Percentage of total 100.00% 100.00%
Interest rate swaps, derivates $ (11,220) $ 449
Foreign currency forward contracts (18,860)  
Foreign currency forward contracts   9,441
Interest Rate Swap    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swaps, derivates 8,060 (859)
First Lien Debt    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Portfolio Investments 6,345,143 4,375,355
Second Lien Debt    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Portfolio Investments 30,116 89,485
Subordinated Debt    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Portfolio Investments 1,481 990
Equity and Other Investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Portfolio Investments 14,314 63,234
Cash and Cash Equivalents    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 128,658 109,302
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Portfolio Investments, Cash and Cash Equivalents $ 128,658 $ 109,302
Percentage of total 1.97% 2.36%
Level 1 | Cash and Cash Equivalents    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents $ 128,658 $ 109,302
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Portfolio Investments, Cash and Cash Equivalents $ 747,688 $ 768,334
Percentage of total 11.47% 16.56%
Foreign currency forward contracts $ (18,860)  
Foreign currency forward contracts   $ 9,441
Level 2 | Interest Rate Swap    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest rate swaps, derivates 8,060 (859)
Level 2 | First Lien Debt    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Portfolio Investments 735,729 720,868
Level 2 | Second Lien Debt    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Portfolio Investments 11,959 47,466
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Portfolio Investments, Cash and Cash Equivalents $ 5,643,366 $ 3,760,730
Percentage of total 86.56% 81.08%
Level 3 | First Lien Debt    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Portfolio Investments $ 5,609,414 $ 3,654,487
Level 3 | Second Lien Debt    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Portfolio Investments 18,157 42,019
Level 3 | Subordinated Debt    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Portfolio Investments 1,481 990
Level 3 | Equity and Other Investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Total Portfolio Investments $ 14,314 $ 63,234
[1] All debt and equity investments are income producing unless otherwise noted.
[2] All investments are non-controlled/non-affiliated investments as defined by the 1940 Act. The provisions of the 1940 Act classify investments based on the level of control that we maintain in a particular portfolio company. As defined in the 1940 Act, a company is generally presumed to be “non-controlled” when we own 25% or less of the portfolio company’s voting securities and “controlled” when we own more than 25% of the portfolio company’s voting securities. The provisions of the 1940 Act also
classify investments further based on the level of ownership that we maintain in a particular portfolio company. As defined in the 1940 Act, a company is generally deemed as “non-affiliated” when we own less than 5% of a portfolio company’s voting securities and “affiliated” when we own 5% or more of a portfolio company’s voting securities.
[3] All investments are pledged as collateral under the Company's Credit Facilities (as defined below) (see Note 7. Borrowings). A single investment may be divided into parts that are individually pledged as collateral to our Credit Facilities.
[4] Security may be an obligation of one or more entities affiliated with the named portfolio company.
[5] All debt and equity investments are income producing unless otherwise noted.
[6] All debt investments are pledged as collateral under the Company's credit facilities. As defined below (see Note 7. Borrowings), credit facilities, a single investment may be divided into parts that are individually pledged as collateral to our credit facilities.
[7] All investments are non-controlled/non-affiliated investments as defined by the 1940 Act. The provisions of the 1940 Act classify investments based on the level of control that we maintain in a particular portfolio company. As defined in the 1940 Act, a company is generally presumed to be “non-controlled” when we own 25% or less of the portfolio company’s voting securities and “controlled” when we own more than 25% of the portfolio company’s voting securities. The provisions of the 1940 Act also classify investments further based on the level of ownership that we maintain in a particular portfolio company. As defined in the 1940 Act, a company is generally deemed as “non-affiliated” when we own less than 5% of a portfolio company’s voting securities and “affiliated” when we own 5% or more of a portfolio company’s voting securities.
[8] Security may be an obligation of one or more entities affiliated with the named portfolio company.