Loans and Allowance for Loan Losses (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Outstanding commercial and consumer loans which include loans on nonaccrual by past due status
Total commercial loans	$ 575,482	$ 511,738
Total consumer loans	295,964	221,918
Commercial [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual by past due status
Current	569,907	504,242
30-59 days past due	84	1,694
60-89 days past due	401
Greater than 90 days	5,090	5,802
Total commercial loans	575,482	511,738
Commercial [Member] | Owner occupied RE [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual by past due status
Current	190,801	183,609
30-59 days past due		791
60-89 days past due
Greater than 90 days	260	729
Total commercial loans	191,061	185,129
Commercial [Member] | Non-owner occupied RE [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual by past due status
Current	180,577	161,758
30-59 days past due	49	859
60-89 days past due	246
Greater than 90 days	2,568	3,399
Total commercial loans	183,440	166,016
Commercial [Member] | Construction [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual by past due status
Current	50,212	29,992
30-59 days past due
60-89 days past due
Greater than 90 days	783	914
Total commercial loans	50,995	30,906
Commercial [Member] | Business [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual by past due status
Current	148,317	128,883
30-59 days past due	35	44
60-89 days past due	155
Greater than 90 days	1,479	760
Total commercial loans	149,986	129,687
Consumer [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual by past due status
Current	294,146	219,870
30-59 days past due	40	890
60-89 days past due	133	467
Greater than 90 days	645	691
Total consumer loans	295,964	221,918
Consumer [Member] | Construction [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual by past due status
Current	39,226	19,888
30-59 days past due
60-89 days past due
Greater than 90 days
Total consumer loans	39,226	19,888
Consumer [Member] | Real estate [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual by past due status
Current	146,362	108,703
30-59 days past due	40	806
60-89 days past due		467
Greater than 90 days	457	614
Total consumer loans	146,859	110,590
Consumer [Member] | Home equity [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual by past due status
Current	95,311	78,402
30-59 days past due
60-89 days past due	130
Greater than 90 days	188	77
Total consumer loans	95,629	78,479
Consumer [Member] | Other [Member]
Outstanding commercial and consumer loans which include loans on nonaccrual by past due status
Current	14,247	12,877
30-59 days past due		84
60-89 days past due	3
Greater than 90 days
Total consumer loans	$ 14,250	$ 12,961