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Concentration of Credit Risk (Details) - Customer Concentration Risk [Member]
6 Months Ended
Jun. 30, 2021
Customer
Deposits [Member]  
Concentration Percentage [Abstract]  
Number of significant customers 1
Deposits [Member] | One Customer [Member]  
Concentration Percentage [Abstract]  
Percentage of concentration risk 9.00%
Securities Sold under Agreements to Repurchase [Member]  
Concentration Percentage [Abstract]  
Number of significant customers 1
Securities Sold under Agreements to Repurchase [Member] | One Customer [Member]  
Concentration Percentage [Abstract]  
Percentage of concentration risk 80.00%