v3.26.1
Fair Value Measurements - Schedule of Significant Unobservable Inputs (Details)
$ in Thousands
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 2,983,663 [1] $ 2,893,559 [2]
First Lien Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 2,716,402 2,616,864
Second Lien Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 200,895 225,900
Preferred Equity    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 42,986 43,101
Common Stocks    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 7,347 7,694
Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 2,743,913 2,627,580
Level 3 | First Lien Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 2,570,274 2,442,840
Level 3 | First Lien Debt | Discounted cash flow | Comparative Yield    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 2,500,612 $ 2,272,969
Level 3 | First Lien Debt | Discounted cash flow | Comparative Yield | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 0.076 0.074
Level 3 | First Lien Debt | Discounted cash flow | Comparative Yield | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 0.166 0.162
Level 3 | First Lien Debt | Discounted cash flow | Comparative Yield | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 0.091 0.090
Level 3 | First Lien Debt | Discounted cash flow | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value   $ 7,639
Range/Input (Weighted Average)   12.0
Level 3 | First Lien Debt | Discounted cash flow | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 7,639  
Range/Input (Weighted Average) 0.080  
Level 3 | First Lien Debt | Market Comparable Companies    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 22,005 $ 13,079
Level 3 | First Lien Debt | Market Comparable Companies | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average)   7.0
Level 3 | First Lien Debt | Market Comparable Companies | EBITDA Multiple | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 6  
Level 3 | First Lien Debt | Market Comparable Companies | EBITDA Multiple | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 7  
Level 3 | First Lien Debt | Market Comparable Companies | EBITDA Multiple | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 6.6  
Level 3 | First Lien Debt | Precedent transactions    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 40,018 $ 149,153
Level 3 | Second Lien Debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 123,306 133,945
Level 3 | Second Lien Debt | Discounted cash flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 123,306 $ 133,945
Level 3 | Second Lien Debt | Discounted cash flow | Comparative Yield | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 0.093 0.090
Level 3 | Second Lien Debt | Discounted cash flow | Comparative Yield | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 0.234 0.151
Level 3 | Second Lien Debt | Discounted cash flow | Comparative Yield | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 0.150 0.119
Level 3 | Preferred Equity    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 42,986 $ 43,101
Level 3 | Preferred Equity | Discounted cash flow | Comparative Yield    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 31,817 $ 32,137
Level 3 | Preferred Equity | Discounted cash flow | Comparative Yield | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 0.126 0.126
Level 3 | Preferred Equity | Discounted cash flow | Comparative Yield | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 0.177 0.206
Level 3 | Preferred Equity | Discounted cash flow | Comparative Yield | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 0.137 0.138
Level 3 | Preferred Equity | Discounted cash flow | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value   $ 10,643
Range/Input (Weighted Average)   7.0
Level 3 | Preferred Equity | Discounted cash flow | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 10,646  
Range/Input (Weighted Average) 0.155  
Level 3 | Preferred Equity | Market Comparable Companies    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 523 $ 321
Level 3 | Preferred Equity | Market Comparable Companies | EBITDA Multiple    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average)   10.0
Level 3 | Preferred Equity | Market Comparable Companies | EBITDA Multiple | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 8.1  
Level 3 | Preferred Equity | Market Comparable Companies | EBITDA Multiple | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 9.0  
Level 3 | Preferred Equity | Market Comparable Companies | EBITDA Multiple | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 8.5  
Level 3 | Common Stocks    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 7,347 $ 7,694
Level 3 | Common Stocks | Discounted cash flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 4,854 $ 4,854
Level 3 | Common Stocks | Discounted cash flow | Discount Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 0.233 0.239
Level 3 | Common Stocks | Market Comparable Companies    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 2,173 $ 2,470
Level 3 | Common Stocks | Market Comparable Companies | EBITDA Multiple | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 9.0 10.0
Level 3 | Common Stocks | Market Comparable Companies | EBITDA Multiple | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 11.5 12.5
Level 3 | Common Stocks | Market Comparable Companies | EBITDA Multiple | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Range/Input (Weighted Average) 11.3 11.9
Level 3 | Common Stocks | Precedent transactions    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 320 $ 370
[1] Unless otherwise indicated, issuers of debt investments held by the Company (which such term “Company” shall include the Company’s subsidiaries for purposes of this Schedule of Investments) are denominated in dollars. All debt investments are income producing unless otherwise indicated.
[2] Unless otherwise indicated, issuers of debt investments held by the Company (which such term “Company” shall include the Company’s subsidiaries for purposes of this Schedule of Investments) are denominated in dollars. All debt investments are income producing unless otherwise indicated.