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Regulatory Requirements - Additional Information (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Regulatory Requirements    
Minimum net capital requirement $ 250  
U.S. Broker Dealer    
Regulatory Requirements    
Net capital 145,279 $ 180,342
Net capital in excess of required net capital $ 145,029 $ 180,092