v3.25.3
Fair Value - Summary of Quantitative Information about the Company's Level 3 Asset and Liability (Details) - Level 3 [Member] - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Assets $ 95,000 $ 107,600
Senior Secured Loans [Member] | Income Approach [Member] | Market Yield [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Assets $ 1,245,434 $ 1,095,842
Principal Valuation Technique/Methodology Income Approach Income Approach
Unobservable Input Market Yield Market Yield
Senior Secured Loans [Member] | Recovery Analysis [Member] | Recoverable Amount [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Assets $ 5,802 $ 21,276
Principal Valuation Technique/Methodology Recovery Analysis Recovery Analysis
Unobservable Input Recoverable Amount Recoverable Amount
Equipment Financing [Member] | Income Approach [Member] | Market Yield [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Assets $ 26,823 $ 73,416
Principal Valuation Technique/Methodology Income Approach Income Approach
Unobservable Input Market Yield Market Yield
Equipment Financing [Member] | Market Multiple [Member] | Comparable Multiple [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Assets $ 95,000 $ 107,600
Principal Valuation Technique/Methodology Market Multiple Market Multiple
Unobservable Input Comparable Multiple Comparable Multiple
Preferred Equity [Member] | Income Approach [Member] | Market Yield [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Assets $ 31,197 $ 29,182
Principal Valuation Technique/Methodology Income Approach Income Approach
Unobservable Input Market Yield Market Yield
Preferred Equity [Member] | Recovery Analysis [Member] | Recoverable Amount [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Assets $ 959 $ 2,500
Principal Valuation Technique/Methodology Recovery Analysis Recovery Analysis
Unobservable Input Recoverable Amount Recoverable Amount
Common Equity/Equity Interests/Warrants [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Assets $ 284,000  
Common Equity/Equity Interests/Warrants [Member] | Market Multiple [Member] | Comparable Multiple [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Assets $ 481,002 $ 175,000
Principal Valuation Technique/Methodology Market Multiple Market Multiple
Unobservable Input Comparable Multiple Comparable Multiple
Common Equity/Equity Interests/Warrants [Member] | Market Approach [Member] | Return on Equity [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Assets $ 170,500 $ 451,470
Principal Valuation Technique/Methodology Market Approach Market Approach
Unobservable Input Return on Equity Return on Equity