Quarterly report pursuant to Section 13 or 15(d)

MARGIN LENDING, BROKERAGE AND OTHER RECEIVABLES, NET - Narrative (Details)

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MARGIN LENDING, BROKERAGE AND OTHER RECEIVABLES, NET - Narrative (Details) - USD ($)
Jun. 30, 2023
Mar. 31, 2023
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]    
Collateral received, fair value $ 4,124,781 $ 1,418,129
Collateralized financings 1,746,826  
Brokerage and other receivables due from related party $ 373,735,000 $ 290,195,000
Due from related party customer (in percent) 72.00% 77.00%
Lending margin receivable $ 25,244,000 $ 37,101,000
Total allowance for credit losses 12,509,000 $ 12,507,000
Nonrelated Party    
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]    
Collateralized financings 496,317  
One    
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]    
Collateralized financings $ 37,696  
Collateral, percentage 42.00%