Loans and Allowance for Loan Losses (Details 5) - Consumer [Member] - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Outstanding commercial and consumer loans and include loans on nonaccrual status as well as accruing TDRs
Current	$ 459,553	$ 400,215
30-59 days past due	314	1,377
60-89 days past due	1,625	288
Greater than 90 Days	395	307
Total consumer loans	461,887	402,187
Real estate [Member]
Outstanding commercial and consumer loans and include loans on nonaccrual status as well as accruing TDRs
Current	248,907	214,228
30-59 days past due	132	1,041
60-89 days past due	1,172	282
Greater than 90 Days	272	37
Total consumer loans	250,483	215,588
Home equity [Member]
Outstanding commercial and consumer loans and include loans on nonaccrual status as well as accruing TDRs
Current	149,978	136,638
30-59 days past due	90	210
60-89 days past due	180
Greater than 90 Days	123	257
Total consumer loans	150,371	137,105
Construction [Member]
Outstanding commercial and consumer loans and include loans on nonaccrual status as well as accruing TDRs
Current	38,493	31,922
30-59 days past due
60-89 days past due	273
Greater than 90 Days
Total consumer loans	38,766	31,922
Other [Member]
Outstanding commercial and consumer loans and include loans on nonaccrual status as well as accruing TDRs
Current	22,175	17,427
30-59 days past due	92	126
60-89 days past due		6
Greater than 90 Days		13
Total consumer loans	$ 22,267	$ 17,572