v3.26.1
Fair Value - Summary of Quantitative Information about the Company's Level 3 Asset and Liability (Parenthetical) (Details)
$ in Thousands
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 96,000 $ 95,000
Black-Scholes Model [Member] | Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value 62 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 210,970 196,503
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 $ 1,213,134 $ 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 7.8 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 29.9 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 11.1 11.1
Senior Secured Loans [Member] | Market Multiple [Member] | Revenue Multiple [Member] | Level 3 [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments at fair value $ 26,195  
Senior Secured Loans [Member] | Market Multiple [Member] | Revenue Multiple [Member] | Minimum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 2.5  
Senior Secured Loans [Member] | Market Multiple [Member] | Revenue Multiple [Member] | Maximum [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 2.5  
Senior Secured Loans [Member] | Market Multiple [Member] | Revenue Multiple [Member] | Weighted Average [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Long Term Investments Measurement Input 2.5  
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 $ 15,569 $ 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 8.3 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 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 8.3 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 $ 96,000 $ 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 1.1 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 1.3 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 1.1 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 $ 32,617 $ 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 $ 508,119 $ 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 1.3 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 4.7 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 $ 172,500 $ 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 3.6 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 28.5 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 20.3 20.3