v3.26.1
FAIR VALUE MEASUREMENTS - Unobservable Inputs (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 5,980,632 [1],[2] $ 6,610,610 [3],[4]
Preferred equity | Yield Analysis    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 7,700  
Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 5,486,823 5,977,285
Level 3 | First Lien Debt | Yield Analysis | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 5,310,402 $ 5,844,425
Level 3 | First Lien Debt | Yield Analysis | Minimum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.074 [5] 7.48 [6]
Level 3 | First Lien Debt | Yield Analysis | Maximum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.22 [5] 39.21 [6]
Level 3 | First Lien Debt | Yield Analysis | Weighted Average | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0996 [7] 10.1 [8]
Level 3 | First Lien Debt | Market Approach | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 80,418 $ 50,145
Level 3 | First Lien Debt | Market Approach | Minimum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0625 [5] 6.25 [6]
Level 3 | First Lien Debt | Market Approach | Maximum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.12 [5] 10 [6]
Level 3 | First Lien Debt | Market Approach | Weighted Average | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.093 [7] 8.31 [8]
Level 3 | Second Lien Debt | Yield Analysis | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 1,383 $ 1,461
Level 3 | Second Lien Debt | Yield Analysis | Minimum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1345 [5] 12.27 [6]
Level 3 | Second Lien Debt | Yield Analysis | Maximum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.2042 [5] 12.75 [6]
Level 3 | Second Lien Debt | Yield Analysis | Weighted Average | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1452 [7] 12.38 [8]
Level 3 | Second Lien Debt | Market Approach | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 5,265 $ 14,675
Level 3 | Second Lien Debt | Market Approach | Minimum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0625 [5] 7.75 [6]
Level 3 | Second Lien Debt | Market Approach | Maximum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.095 [5] 10 [6]
Level 3 | Second Lien Debt | Market Approach | Weighted Average | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0649 [7] 7.86 [8]
Level 3 | Other Debt | Yield Analysis | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 3,186 $ 6,667
Level 3 | Other Debt | Yield Analysis | Minimum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input [6]   13.7
Level 3 | Other Debt | Yield Analysis | Maximum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input [6]   14.95
Level 3 | Other Debt | Yield Analysis | Weighted Average | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1845 [7] 14.36 [8]
Level 3 | Other Debt | Market Approach | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 3,401 $ 4,897
Level 3 | Other Debt | Market Approach | Minimum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input [6]   6.25
Level 3 | Other Debt | Market Approach | Maximum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input [6]   7.75
Level 3 | Other Debt | Market Approach | Weighted Average | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0625 [7] 7.75 [8]
Level 3 | Preferred equity | Yield Analysis | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 23,780  
Level 3 | Preferred equity | Yield Analysis | Minimum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input [5] 0.0998  
Level 3 | Preferred equity | Yield Analysis | Maximum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input [5] 0.1586  
Level 3 | Preferred equity | Yield Analysis | Weighted Average | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input [7] 0.1125  
Level 3 | Preferred equity | Income Approach | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value   $ 30,136
Level 3 | Preferred equity | Income Approach | Minimum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input [6]   12.09
Level 3 | Preferred equity | Income Approach | Maximum | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input [6]   15.66
Level 3 | Preferred equity | Income Approach | Weighted Average | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input [8]   13.55
Level 3 | Preferred equity | Market Approach | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 28,602 $ 12,439
Level 3 | Preferred equity | Market Approach | Minimum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0625 [5] 7.75 [6]
Level 3 | Preferred equity | Market Approach | Maximum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.18 [5] 15.43 [6]
Level 3 | Preferred equity | Market Approach | Weighted Average | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.145 [7] 12.99 [8]
Level 3 | Common equity | Market Approach | Revenue Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 5,838 $ 6,693
Level 3 | Common equity | Market Approach | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 24,548 $ 5,747
Level 3 | Common equity | Market Approach | Minimum | Revenue Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.043 [5] 5 [6]
Level 3 | Common equity | Market Approach | Minimum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.01 [5] 1.2 [6]
Level 3 | Common equity | Market Approach | Maximum | Revenue Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.2025 [5] 22.25 [6]
Level 3 | Common equity | Market Approach | Maximum | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1775 [5] 24.6 [6]
Level 3 | Common equity | Market Approach | Weighted Average | Revenue Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.165 [7] 17.25 [8]
Level 3 | Common equity | Market Approach | Weighted Average | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1077 [7] 11.61 [8]
[1]

Unless otherwise indicated, issuers of debt and equity investments held by the Company (which such term “Company” includes the Company’s consolidated subsidiaries for purposes of this Consolidated Schedule of Investments) are denominated in dollars. All debt investments are income producing unless otherwise indicated. All equity investments (including preferred equity investments) are non-income producing unless otherwise noted. Certain portfolio company investments are subject to contractual restrictions on sales. Under the Investment Company Act of 1940, as amended (together with the rules and regulations promulgated thereunder, the “1940 Act”), the Company would be deemed to “control” a portfolio company if the Company owned more than 25% of its outstanding voting securities and/or held the power to exercise control over the management or policies of the portfolio company. As of June 30, 2026, the Company “controls” one of its portfolio companies, as indicated below. Under the 1940 Act, the Company would be deemed an “affiliated person” of a portfolio company if the Company owns 5% or more of the portfolio company’s outstanding voting securities. As of June 30, 2026, the Company was an “affiliated person” of four of its portfolio companies, as indicated below.
[2]

Unless otherwise indicated, the Company's investments are pledged as collateral supporting the amounts outstanding under the ING Facility (as defined below). See Note 6 "Debt".
[3] Unless otherwise indicated, issuers of debt and equity investments held by the Company (which such term “Company” shall include the Company’s consolidated subsidiaries for purposes of this Consolidated Schedule of Investments) are denominated in dollars. All debt investments are income producing unless otherwise indicated. All equity investments (including preferred equity investments) are non-income producing unless otherwise noted. Certain portfolio company investments are subject to contractual restrictions on sales. Under the 1940 Act, the Company would be deemed to “control” a portfolio company if the Company owned more than 25% of its outstanding voting securities and/or held the power to exercise control over the management or policies of the portfolio company. As of December 31, 2025, the Company would be deemed to “control” one of its portfolio companies, as indicated below. Under the 1940 Act, the Company would be deemed an “affiliated person” of a portfolio company if the Company owns 5% or more of the portfolio company’s outstanding voting securities. As of December 31, 2025, the Company is an “affiliated person” of two of its portfolio companies, as indicated below.
[4] Unless otherwise indicated, the Company's investments are pledged as collateral supporting the amounts outstanding under the ING Facility as defined below. See Note 6 “Debt”.
[5] For an asset category that contains a single investment, the range is not included.
[6] For an asset category that contains a single investment, the range is not included.
[7] Weighted average for an asset category consisting of multiple investments is calculated by weighting the significant unobservable input by the relative fair value of the investment. Weighted average for an asset category consisting of a single investment represents the significant unobservable input used in the fair value of the investment.
[8] Weighted average for an asset category consisting of multiple investments is calculated by weighting the significant unobservable input by the relative fair value of the investment. Weighted average for an asset category consisting of a single investment represents the significant unobservable input used in the fair value of the investment.