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Loans and Allowance (Troubled Debts Restructured Defaulted) (Details) - Consumer [Member]
3 Months Ended 9 Months Ended
Sep. 30, 2019
USD ($)
loan
Sep. 30, 2018
USD ($)
loan
Sep. 30, 2019
USD ($)
Sep. 30, 2018
USD ($)
First Mortgage [Member]        
Financing Receivable, Modifications [Line Items]        
No. of Loans   1   1
Post-Modification Outstanding Recorded Balance   $ 48   $ 48,000
Second Mortgage [Member]        
Financing Receivable, Modifications [Line Items]        
No. of Loans   1   1
Post-Modification Outstanding Recorded Balance   $ 5   $ 5,000
Boat/RVs [Member]        
Financing Receivable, Modifications [Line Items]        
No. of Loans 1   2  
Post-Modification Outstanding Recorded Balance $ 36   $ 299