Loans and Allowance for Loan Losses (Schedule of Aging of Past Due Loans) (Details) - Consumer Loan [Member] - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	$ 582,036	$ 544,522
30-59 days past due	1,306	2,691
60-89 days past due	618	1,036
Greater than 90 days	1,693	378
Total consumer loans	585,653	548,627
Other Consumer [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	26,417	23,603
30-59 days past due	28	106
60-89 days past due		113
Greater than 90 days
Total consumer loans	26,445	23,822
Real Estate [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	339,686	317,267
30-59 days past due	674	2,555
60-89 days past due	247	923
Greater than 90 days	1,493	198
Total consumer loans	342,100	320,943
Home Equity Loan [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	169,686	165,727
30-59 days past due	604	30
60-89 days past due	371
Greater than 90 days	200	180
Total consumer loans	170,861	165,937
Construction Loans [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	46,247	37,925
30-59 days past due
60-89 days past due
Greater than 90 days
Total consumer loans	$ 46,247	$ 37,925