Loans and Allowance for Loan Losses (Schedule of Aging of Past Due Loans) (Details) - Consumer Loan [Member] - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	$ 717,590	$ 642,617
30-59 days past due	1,256	1,251
60-89 days past due	494	118
Greater than 90 days	1,922	1,201
Total consumer loans	721,262	645,187
Other Consumer [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	23,428	25,650
30-59 days past due		83
60-89 days past due
Greater than 90 days
Total consumer loans	23,428	25,733
Real Estate [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	494,202	396,445
30-59 days past due	857	799
60-89 days past due
Greater than 90 days	1,625	1,001
Total consumer loans	496,684	398,245
Home Equity Loan [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	160,605	179,051
30-59 days past due	399	369
60-89 days past due	494	118
Greater than 90 days	297	200
Total consumer loans	161,795	179,738
Construction Loans [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual status
Current	39,355	41,471
30-59 days past due
60-89 days past due
Greater than 90 days
Total consumer loans	$ 39,355	$ 41,471