v3.26.3
Fair Value Measurements - Summary of Significant Unobservable Inputs by Valuation Technique to Determine Fair Value (Details)
$ in Thousands
Sep. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Fair Value $ 692,314 $ 633,762
Level 3 | Enterprise Value Waterfall | EBITDA Multiples    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity Fair Value $ 145,629 133,216
Equity Investments, Warrants fair value   $ 0
Level 3 | Enterprise Value Waterfall | EBITDA Multiples | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity, Range 3 1.3
Equity investments, Warrants range   3.5
Level 3 | Enterprise Value Waterfall | EBITDA Multiples | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity, Range 18 22
Equity investments, Warrants range   3.5
Level 3 | Enterprise Value Waterfall | EBITDA Multiples | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity, Range 10.2 9.7
Equity investments, Warrants range   3.5
Level 3 | Enterprise Value Waterfall | Revenue Multiples    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity Fair Value $ 13,109 $ 8,826
Equity Investments, Warrants fair value $ 0 $ 0
Level 3 | Enterprise Value Waterfall | Revenue Multiples | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity, Range 1.1 0.4
Equity investments, Warrants range 1.1 1.5
Level 3 | Enterprise Value Waterfall | Revenue Multiples | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity, Range 7.5 8.5
Equity investments, Warrants range 1.1 1.5
Level 3 | Enterprise Value Waterfall | Revenue Multiples | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity, Range 4 5.7
Equity investments, Warrants range 1.1 1.5
Level 3 | Probability Weighted Expected Return | Probability    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity Fair Value   $ 69
Equity Investments, Warrants fair value   $ 238
Level 3 | Probability Weighted Expected Return | Probability | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity, Range   10
Level 3 | Probability Weighted Expected Return | Probability | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity, Range   25
Level 3 | Probability Weighted Expected Return | Probability | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity, Range   11.5
Level 3 | Subordinated Debt | Discounted Cash Flow | Weighted Average Cost of Capital    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Fair Value $ 77,856 $ 94,204
Level 3 | Subordinated Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 0.11 0.115
Level 3 | Subordinated Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 0.546 0.20
Level 3 | Subordinated Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 0.173 0.139
Level 3 | Subordinated Debt | Enterprise Value Waterfall | EBITDA Multiples    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Fair Value   $ 208
Level 3 | Subordinated Debt | Enterprise Value Waterfall | EBITDA Multiples | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range   6
Level 3 | Subordinated Debt | Enterprise Value Waterfall | EBITDA Multiples | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range   6
Level 3 | First Lien Debt | Discounted Cash Flow | Weighted Average Cost of Capital    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Fair Value $ 1,066,888 $ 1,019,063
Level 3 | First Lien Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 0.069 0.072
Level 3 | First Lien Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 0.487 0.629
Level 3 | First Lien Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 0.136 0.137
Level 3 | First Lien Debt | Enterprise Value Waterfall | EBITDA Multiples    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Fair Value $ 60,019  
Level 3 | First Lien Debt | Enterprise Value Waterfall | EBITDA Multiples | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 7  
Level 3 | First Lien Debt | Enterprise Value Waterfall | EBITDA Multiples | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 10  
Level 3 | First Lien Debt | Enterprise Value Waterfall | EBITDA Multiples | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 9.5  
Level 3 | Second Lien Debt | Discounted Cash Flow | Weighted Average Cost of Capital    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Fair Value $ 71,674 $ 67,453
Level 3 | Second Lien Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 0.128 0.128
Level 3 | Second Lien Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 0.225 0.225
Level 3 | Second Lien Debt | Discounted Cash Flow | Weighted Average Cost of Capital | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 0.158 0.155
Level 3 | Second Lien Debt | Enterprise Value Waterfall | EBITDA Multiples    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Fair Value   $ 0
Level 3 | Second Lien Debt | Enterprise Value Waterfall | EBITDA Multiples | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range   6
Level 3 | Second Lien Debt | Enterprise Value Waterfall | EBITDA Multiples | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range   6
Level 3 | Second Lien Debt | Enterprise Value Waterfall | EBITDA Multiples | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range   6
Level 3 | Second Lien Debt | Option Pricing | Volatility of credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Warrants fair value   $ 1,476
Level 3 | Second Lien Debt | Option Pricing | Volatility of credit | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity investments, Warrants range   70
Level 3 | Second Lien Debt | Option Pricing | Volatility of credit | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity investments, Warrants range   70
Level 3 | Second Lien Debt | Option Pricing | Volatility of credit | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity investments, Warrants range   (70)