Loans and Allowance for Loan Losses (Schedule of Aging of Past Due Loans) (Details) - Consumer Loan [Member] - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	$ 595,868	$ 544,522
30-59 days past due	430	2,691
60-89 days past due	669	1,036
Greater than 90 days	835	378
Total consumer loans	597,802	548,627
Other Consumer [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	27,064	23,603
30-59 days past due	67	106
60-89 days past due		113
Greater than 90 days
Total consumer loans	27,131	23,822
Real Estate [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	345,720	317,267
30-59 days past due		2,555
60-89 days past due	187	923
Greater than 90 days	605	198
Total consumer loans	346,512	320,943
Home Equity Loan [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	173,536	165,727
30-59 days past due	363	30
60-89 days past due	482
Greater than 90 days	230	180
Total consumer loans	174,611	165,937
Construction Loans [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	49,548	37,925
30-59 days past due
60-89 days past due
Greater than 90 days
Total consumer loans	$ 49,548	$ 37,925