Loans (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 813,057	$ 794,671
Interest income, including accretion, on loans	6,098
Accretion income included in interest income	1,562
Loan pay offs and renewals amount included in interest income	88
Outstanding principal balance and the carrying amount of loan acquired [Abstract]
Outstanding principal balance	101,006	134,099
Carrying amount	93,053	124,828
Outstanding principal balance and the carrying amount of loan acquired, impaired [Abstract]
Outstanding principal balance	19,241	21,014
Carrying amount	15,372	16,644
Changes in the accretable discount on acquired loans [Abstract]
Balance, beginning of period	2,046
Accretion	(676)
Reclassification from nonaccretable difference	462
Balance, end of period	1,832
Accretion reflected	88
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	125,163	122,553
Commercial real estate, portfolio [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	417,578	406,438
Construction and land development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	50,856	41,822
Commercial real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	366,722	364,616
Residential real estate, portfolio [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	265,112	259,714
Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	175,387	171,917
Home equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	89,725	87,797
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 5,204	$ 5,966