v3.26.1
Investments - Schedule of Cost and Fair Value of Investments (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Schedule of Held-to-Maturity Securities [Line Items]    
Investment at Fair Value, Cost $ 162,332 $ 162,380
Investment at Fair Value, Fair Value 149,741 144,196
Equity method investments, Cost 140 138
Equity method investments, Carrying Value 140 138
Total Investments, Cost 162,472 162,518
Total Investments, Fair Value 149,881 144,334
Mutual funds    
Schedule of Held-to-Maturity Securities [Line Items]    
Investment at Fair Value, Cost 35 38
Investment at Fair Value, Fair Value 38 42
Exchange-traded funds and BDC funds    
Schedule of Held-to-Maturity Securities [Line Items]    
Investment at Fair Value, Cost 21 17
Investment at Fair Value, Fair Value 37 35
TIG Arbitrage Associates Master Fund    
Schedule of Held-to-Maturity Securities [Line Items]    
Investment at Fair Value, Cost 482 482
Investment at Fair Value, Fair Value 570 566
TIG Arbitrage Enhanced Master Fund    
Schedule of Held-to-Maturity Securities [Line Items]    
Investment at Fair Value, Cost 179 179
Investment at Fair Value, Fair Value 368 362
Arkkan Opportunities Feeder Fund    
Schedule of Held-to-Maturity Securities [Line Items]    
Investment at Fair Value, Cost 111 111
Investment at Fair Value, Fair Value 154 152
Arkkan Capital Management Limited    
Schedule of Held-to-Maturity Securities [Line Items]    
Investment at Fair Value, Cost 20,062 20,062
Investment at Fair Value, Fair Value 19,510 19,543
Zebedee Asset Management    
Schedule of Held-to-Maturity Securities [Line Items]    
Investment at Fair Value, Cost 68,913 68,913
Investment at Fair Value, Fair Value 99,912 93,716
Romspen Investment Corporation    
Schedule of Held-to-Maturity Securities [Line Items]    
Investment at Fair Value, Cost 72,523 72,523
Investment at Fair Value, Fair Value 29,146 29,717
Other    
Schedule of Held-to-Maturity Securities [Line Items]    
Investment at Fair Value, Cost 6 55
Investment at Fair Value, Fair Value 6 63
Wealth management - investment advisory    
Schedule of Held-to-Maturity Securities [Line Items]    
Equity method investments, Cost 140 138
Equity method investments, Carrying Value $ 140 $ 138