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Revenue from Contracts with Customers (Details Textual) - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Revenue From Contract With Customer [Line Items]      
Legal settlement $ 0 $ 8,375,000 $ 0
ASC 606      
Revenue From Contract With Customer [Line Items]      
Contingent debit card interchange fees 0    
Contingent incentive fees 0    
Contingent commission 0    
ASC 606 | Cetera      
Revenue From Contract With Customer [Line Items]      
Contingent investment commissions to be refunded $ 0