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Concentrations of Credit Risk (Details) - Credit Concentration Risk [Member] - Tier 1 Capital Plus Allowance for Loan and Lease Losses [Member]
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Hotel/Motel Industry Credits [Member]    
Concentration Risk [Abstract]    
Concentration of credit risk 43.00% 41.00%
Lessors of Non-residential Buildings Credits [Member]    
Concentration Risk [Abstract]    
Concentration of credit risk 38.00% 39.00%
Lessors of Residential Buildings and Dwellings Credits [Member]    
Concentration Risk [Abstract]    
Concentration of credit risk 41.00% 39.00%