Loans (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 794,671,000	$ 788,705,000
Net deferred loan costs	(299,000)	(128,000)
Overdraft deposits	71,000	110,000
Interest income, including accretion, on loans	17,800
Accretion income included in interest income	5,600
Loan pay offs and renewals amount included in interest income	1,764,000
Outstanding principal balance and the carrying amount of loan acquired [Abstract]
Outstanding principal balance	134,099,000	219,569,000
Carrying amount	124,828,000	203,981,000
Outstanding principal balance and the carrying amount of loan acquired, impaired [Abstract]
Outstanding principal balance	21,014,000	26,349,000
Carrying amount	16,644,000	20,182,000
Changes in the accretable discount on acquired loans [Abstract]
Balance, beginning of period	2,165,000
Accretion	(2,635,000)
Reclassification from nonaccretable difference	2,516,000
Balance, end of period	2,046,000
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	122,553,000	126,192,000
Commercial real estate, portfolio [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	406,438,000	404,245,000
Commercial real estate, portfolio [Member] | Construction and land development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	41,822,000	48,812,000
Commercial real estate, portfolio [Member] | Commercial real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	364,616,000	355,433,000
Residential real estate, portfolio [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	259,714,000	252,346,000
Residential real estate, portfolio [Member] | Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	171,917,000	161,033,000
Residential real estate, portfolio [Member] | Home equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	87,797,000	91,313,000
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 5,966,000	$ 5,922,000