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Financial Instruments Owned (Tables)
 9 Months Ended
Sep. 30, 2023
Financial Instruments Owned [Abstract]  
Schedule of Financial Instruments Owned These instruments consist of the following:
    

September 30,
2023

    

December 31,
2022

 
Financial instruments owned          
Trading securities  $66,801   $124,474 
Other assets—seed capital (WisdomTree Digital Funds)   12,149    1,765 
   $78,950   $126,239