v3.26.1
Investments, at Fair Value - Alternative Investments (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Mar. 31, 2025
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Carrying Value $ 162,824 $ 259,113
Unfunded Commitments 30,434 41,644
Private Equity    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Carrying Value 80,685 120,008
Unfunded Commitments 25,975 34,252
Private Real Estate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Carrying Value 6,300 6,454
Unfunded Commitments 1,650 2,777
Natural Resources    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Carrying Value 6,111 12,691
Unfunded Commitments 1,250 2,663
Venture Capital    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Carrying Value 60,021 109,361
Unfunded Commitments 1,183 1,324
Hedge Funds    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Carrying Value 3,332 3,931
Unfunded Commitments 0 245
Other    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Carrying Value 6,375 6,668
Unfunded Commitments $ 376 $ 383