v3.25.3
Investments, at Fair Value - Schedule of Fair Value Recurring Basis (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Money market cash equivalents $ 16,984 $ 7,561
Total investments 83,099 91,467
Total Liabilities (39) (32)
Total investments, at fair value 83,060 91,435
Securities sold short    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Liabilities (39) (32)
Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Money market cash equivalents 16,984 7,561
Total investments 62,345 70,988
Total Liabilities (39) (32)
Total investments, at fair value 62,306 70,956
Level 1 | Securities sold short    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Liabilities (39) (32)
Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 20,754 20,479
Total investments, at fair value 20,754 20,479
Level 3 | Preferred equity and other private investments    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments   22,471
Level 3 | Private placements    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 78,022 179,752
CIP    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments, at fair value 1,891,832 1,746,850
CIP | Fair Value Recurring    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 1,892,226 1,747,416
Total Liabilities (394) (566)
Total investments, at fair value 1,891,832 1,746,850
CIP | Fair Value Recurring | Common stocks    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 714,056 803,626
CIP | Fair Value Recurring | Debt securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 2,010 1,649
CIP | Fair Value Recurring | Digital asset related exchange-traded and mutual funds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 596,322 541,346
CIP | Fair Value Recurring | Preferred stocks    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 5,347 3,785
CIP | Fair Value Recurring | Preferred equity and other private investments    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments   22,471
CIP | Fair Value Recurring | Private equity funds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 378 220
CIP | Fair Value Recurring | Private placements    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 338,427 179,754
CIP | Fair Value Recurring | Digital assets    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 235,686 194,565
CIP | Fair Value Recurring | Securities sold short    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Liabilities (394) (566)
CIP | Fair Value Recurring | Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 1,803,489 1,535,411
Total Liabilities (394) (566)
Total investments, at fair value 1,803,095 1,534,845
CIP | Fair Value Recurring | Level 1 | Common stocks    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 714,056 803,626
CIP | Fair Value Recurring | Level 1 | Digital asset related exchange-traded and mutual funds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 596,322 533,435
CIP | Fair Value Recurring | Level 1 | Preferred stocks    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 5,347 3,785
CIP | Fair Value Recurring | Level 1 | Private placements    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 252,078  
CIP | Fair Value Recurring | Level 1 | Digital assets    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 235,686 194,565
CIP | Fair Value Recurring | Level 1 | Securities sold short    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total Liabilities (394) (566)
CIP | Fair Value Recurring | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 8,325 7,911
Total investments, at fair value 8,325 7,911
CIP | Fair Value Recurring | Level 2 | Digital asset related exchange-traded and mutual funds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 0 7,911
CIP | Fair Value Recurring | Level 2 | Private placements    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 8,325  
CIP | Fair Value Recurring | Level 3    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 80,032 203,872
Total investments, at fair value 80,032 203,872
CIP | Fair Value Recurring | Level 3 | Debt securities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 2,010 1,649
CIP | Fair Value Recurring | Level 3 | Preferred equity and other private investments    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments   22,471
CIP | Fair Value Recurring | Level 3 | Private placements    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 78,022 179,752
CIP | Fair Value Recurring | NAV as a practical expedient    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 380 222
Total investments, at fair value 380 222
CIP | Fair Value Recurring | NAV as a practical expedient | Private equity funds    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 378 220
CIP | Fair Value Recurring | NAV as a practical expedient | Private placements    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Total investments 2 2
Money Market | CIP | Fair Value Recurring    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Money market cash equivalents 22,742 28,466
Money Market | CIP | Fair Value Recurring | Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Money market cash equivalents $ 22,742 $ 28,466