v3.25.3
Investments, at Fair Value - Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Level 3 Fair Value Measurements (Details)
$ in Thousands
Sep. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 83,099 $ 91,467
Preferred equity and other private investments | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value   22,471
Preferred equity and other private investments | Level 3 | Market Approach    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value   15,236
Preferred equity and other private investments | Level 3 | Offered quotes | Market Approach    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value   7,078
Preferred equity and other private investments | Level 3 | Capitalization rate range | Income Approach    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value   $ 157
Preferred equity and other private investments | Level 3 | Capitalization rate range | Income Approach | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value measurement unobservable inputs   0.073
Preferred equity and other private investments | Level 3 | Capitalization rate range | Income Approach | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value measurement unobservable inputs   0.075
Private placements | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 78,022 $ 179,752
Private placements | Level 3 | Cost of Capital | Discounted Cash Flow Method and Market Approach    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value measurement unobservable inputs   0.135
Private placements | Level 3 | Projected Future Cash Flows Revenue Multiples Cost of Capital | Discounted Cash Flow Method and Market Approach    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value   $ 145,553
Private placements | Level 3 | Subject company transaction price per unit | Subject Company Transaction Method    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 36,202  
Private placements | Level 3 | Measurement Input Projected Future Cash Flows Revenue Multiples EBITDA Multiples Discount Rate | Discounted Cash Flow Method, Market Approach and Subject Company Transaction Method    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value   25,517
Private placements | Level 3 | Unit price/cost of latest round of financing | Market Approach - Most recent transaction price    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 18,170 $ 8,682
Private placements | Level 3 | Unit price/cost of latest round of financing | Market Approach - Most recent transaction price    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 23,650  
Private placements | Level 3 | Discount Rate | Discounted Cash Flow Method, Market Approach and Subject Company Transaction Method    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value measurement unobservable inputs   0.135
Private placements | Level 3 | Revenue Multiples | Discounted Cash Flow Method, Market Approach and Subject Company Transaction Method | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value measurement unobservable inputs   3.8
Private placements | Level 3 | Revenue Multiples | Discounted Cash Flow Method, Market Approach and Subject Company Transaction Method | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value measurement unobservable inputs   5.5
Private placements | Level 3 | Revenue Multiples | Discounted Cash Flow Method and Market Approach | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value measurement unobservable inputs   4
Private placements | Level 3 | Revenue Multiples | Discounted Cash Flow Method and Market Approach | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value measurement unobservable inputs   6.8
Private placements | Level 3 | EBITDA Multiples | Discounted Cash Flow Method, Market Approach and Subject Company Transaction Method | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value measurement unobservable inputs   12.5
Private placements | Level 3 | EBITDA Multiples | Discounted Cash Flow Method, Market Approach and Subject Company Transaction Method | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair value measurement unobservable inputs   14.5
Debt securities | Level 3 | Market Approach    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 2,010 $ 1,649
Debt securities unobservable inputs   21