Loans and Allowance for Loan Losses (Consumer) (Details 3) - Consumer Loans [Member] - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	$ 389,171	$ 349,763
Pass [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	382,294	341,955
Special mention [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	3,239	4,394
Substandard [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	3,638	3,414
Doubtful [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans
Real estate [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	210,356	174,802
Real estate [Member] | Pass [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	206,543	172,589
Real estate [Member] | Special mention [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	1,071	961
Real estate [Member] | Substandard [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	2,742	1,252
Real estate [Member] | Doubtful [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans
Home equity [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	132,623	116,563
Home equity [Member] | Pass [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	129,706	112,080
Home equity [Member] | Special mention [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	2,109	3,388
Home equity [Member] | Substandard [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	808	1,095
Home equity [Member] | Doubtful [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans
Construction [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	28,568	43,318
Construction [Member] | Pass [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	28,568	42,319
Construction [Member] | Special mention [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans
Construction [Member] | Substandard [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans		999
Construction [Member] | Doubtful [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans
Other [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	17,624	15,080
Other [Member] | Pass [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	17,477	14,967
Other [Member] | Special mention [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	59	45
Other [Member] | Substandard [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans	88	68
Other [Member] | Doubtful [Member]
Outstanding commercial and consumer loans by risk category
Outstanding consumer loans