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Fair Value Measurements - Summary of Significant Unobservable Inputs by Valuation Technique to Determine Fair Value (Details)
$ in Thousands
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Fair Value $ 512,775 $ 454,481
Derivative Asset, Statement of Financial Position [Extensible Enumeration] Assets Assets
Level 3 | Enterprise Value Waterfall | EBITDA Multiples    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity Fair Value $ 130,969 $ 132,741
Equity Investments, Warrants fair value $ 287 $ 7,633
Level 3 | Enterprise Value Waterfall | EBITDA Multiples | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity, Range 3.5 3.5
Equity investments, Warrants range 3.5 3.5
Level 3 | Enterprise Value Waterfall | EBITDA Multiples | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity, Range 30 30
Equity investments, Warrants range 3.5 3.5
Level 3 | Enterprise Value Waterfall | EBITDA Multiples | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity, Range 10.7 11
Equity investments, Warrants range 3.5 3.5
Level 3 | Enterprise Value Waterfall | Revenue Multiples    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity Fair Value $ 6,502 $ 5,630
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 0.8 0.8
Equity investments, Warrants range 4 4
Level 3 | Enterprise Value Waterfall | Revenue Multiples | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity, Range 9 9
Equity investments, Warrants range 4 4
Level 3 | Enterprise Value Waterfall | Revenue Multiples | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity Investments, Equity, Range 6.3 6.6
Equity investments, Warrants range 4 4
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 $ 126,932 $ 142,839
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 0.104 0.104
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 0.20 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 0.133 0.132
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 $ 786,829 $ 714,595
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 0.078
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 0.30 0.262
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 0.138 0.145
Level 3 | First Lien Debt | Enterprise Value | EBITDA Multiples    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Fair Value   $ 0
Level 3 | First Lien Debt | Enterprise Value | EBITDA Multiples | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range   4.3
Level 3 | First Lien Debt | Enterprise Value | EBITDA Multiples | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range   4.3
Level 3 | First Lien Debt | Enterprise Value | EBITDA Multiples | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range   4.3
Level 3 | First Lien Debt | Enterprise Value Waterfall | Asset Coverage    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Fair Value $ 3,525 $ 3,525
Level 3 | First Lien Debt | Enterprise Value Waterfall | Asset Coverage | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 1 1
Level 3 | First Lien Debt | Enterprise Value Waterfall | Asset Coverage | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 1 1
Level 3 | First Lien Debt | Enterprise Value Waterfall | Asset Coverage | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 1 1
Level 3 | First Lien Debt | Enterprise Value Waterfall | Revenue Multiples    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Fair Value $ 10,570  
Level 3 | First Lien Debt | Enterprise Value Waterfall | Revenue Multiples | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 1.3  
Level 3 | First Lien Debt | Enterprise Value Waterfall | Revenue Multiples | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 1.3  
Level 3 | First Lien Debt | Enterprise Value Waterfall | Revenue Multiples | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Range 1.3  
Level 3 | Second Lien Debt | Discounted Cash Flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Fair Value $ 9,700 $ 9,600
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 $ 88,794 $ 79,106
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 0.126 0.134
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 0.695 0.555
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 0.195 0.207
Level 3 | Second Lien Debt | Option Pricing | Volatility of credit    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Debt Investments, Fair Value   $ 4,437
Level 3 | Second Lien Debt | Option Pricing | Volatility of credit | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity investments, Warrants range   85
Level 3 | Second Lien Debt | Option Pricing | Volatility of credit | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity investments, Warrants range   85
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   85