v3.26.1
Fair Value - Summary of Quantitative Information about the Company's Level 3 Asset and Liability (Parenthetical) (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 98,000 $ 95,000
Black-Scholes Model [Member] | Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 28 60
Transaction Price [Member] | Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 639 639
Recovery Analysis [Member] | Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 15,448 15,448
EBITDA Multiple [Member] | Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 210,088 196,503
Implied Multiple [Member] | Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 281,000 281,000
Senior Secured Loans [Member] | Income Approach [Member] | Market Yield [Member] | Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 1,218,369 $ 1,260,389
Senior Secured Loans [Member] | Income Approach [Member] | Market Yield [Member] | Minimum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 7.7 8.2
Senior Secured Loans [Member] | Income Approach [Member] | Market Yield [Member] | Maximum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 37.4 26.9
Senior Secured Loans [Member] | Income Approach [Member] | Market Yield [Member] | Weighted Average [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 11.5 11.1
Equipment Financing [Member] | Income Approach [Member] | Market Yield [Member] | Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value   $ 24,021
Equipment Financing [Member] | Income Approach [Member] | Market Yield [Member] | Minimum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input   8
Equipment Financing [Member] | Income Approach [Member] | Market Yield [Member] | Maximum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input   8.5
Equipment Financing [Member] | Income Approach [Member] | Market Yield [Member] | Weighted Average [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input   8.2
Equipment Financing [Member] | Market Multiple [Member] | Comparable Multiple [Member] | Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 98,000 $ 95,000
Equipment Financing [Member] | Market Multiple [Member] | Comparable Multiple [Member] | Minimum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 1.2 1.1
Equipment Financing [Member] | Market Multiple [Member] | Comparable Multiple [Member] | Maximum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 1.4 1.3
Equipment Financing [Member] | Market Multiple [Member] | Comparable Multiple [Member] | Weighted Average [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 1.2 1.2
Preferred Equity [Member] | Income Approach [Member] | Market Yield [Member] | Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 33,350 $ 31,899
Preferred Equity [Member] | Income Approach [Member] | Market Yield [Member] | Minimum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 9 9
Preferred Equity [Member] | Income Approach [Member] | Market Yield [Member] | Maximum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 9 9
Preferred Equity [Member] | Income Approach [Member] | Market Yield [Member] | Weighted Average [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 9 9
Common Equity/Equity Interests/Warrants [Member] | Market Multiple [Member] | Comparable Multiple [Member] | Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 507,203 $ 493,650
Common Equity/Equity Interests/Warrants [Member] | Market Multiple [Member] | Comparable Multiple [Member] | Minimum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 1.4 1.3
Common Equity/Equity Interests/Warrants [Member] | Market Multiple [Member] | Comparable Multiple [Member] | Maximum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 13.3 13.3
Common Equity/Equity Interests/Warrants [Member] | Market Multiple [Member] | Comparable Multiple [Member] | Weighted Average [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 4.5 4.1
Common Equity/Equity Interests/Warrants [Member] | Market Approach [Member] | Return on Equity [Member] | Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 175,000 $ 170,500
Common Equity/Equity Interests/Warrants [Member] | Market Approach [Member] | Return on Equity [Member] | Minimum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 5.2 2.6
Common Equity/Equity Interests/Warrants [Member] | Market Approach [Member] | Return on Equity [Member] | Maximum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 30.4 26.9
Common Equity/Equity Interests/Warrants [Member] | Market Approach [Member] | Return on Equity [Member] | Weighted Average [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 20.1 20.3