Loans and Allowance (Newly Restructured Loans by Type) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Commercial Segment [Member] | Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term				$ 61
Total modification				61
Consumer [Member] | First Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Combination	$ 43	$ 47	$ 53	187
Total modification	43	47	53	187
Consumer [Member] | Second Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term			7	35
Combination				59
Total modification			7	94
Consumer [Member] | Automobile Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term		10		10
Combination			17
Total modification		10	17	10
Consumer [Member] | Boat/RVs [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term		19	8	19
Combination	37		37
Total modification	$ 37	$ 19	$ 45	$ 19