Credit Quality (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Allowance for credit losses
Beginning balance	$ 6,758	$ 9,343	$ 6,881	$ 9,584
Charge-offs	(187)	(552)	(434)	(1,451)
Recoveries	172	102	945	285
Provision	(240)	255	(890)	730
Individually evaluated for impairment	3,265	5,847	3,265	5,847
Collectively evaluated for impairment	3,238	3,301	3,238	3,301
Ending balance	6,503	9,148	6,503	9,148
Loans
Individually evaluated for impairment	26,566	38,522	26,566	38,522
Collectively evaluated for impairment	318,990	284,220	318,990	284,220
Total	345,556	322,742	345,556	322,742
Consumer and Credit Card [Member]
Allowance for credit losses
Beginning balance	287	393	365	425
Charge-offs	(98)	(88)	(136)	(212)
Recoveries	50	47	110	111
Provision	129	21	29	49
Individually evaluated for impairment	0	0	0	0
Collectively evaluated for impairment	368	373	368	373
Ending balance	368	373	368	373
Loans
Individually evaluated for impairment	0	0	0	0
Collectively evaluated for impairment	29,277	18,312	29,277	18,312
Total	29,277	18,312	29,277	18,312
Commercial and Industrial [Member]
Allowance for credit losses
Beginning balance	1,586	2,214	1,621	1,952
Charge-offs	(15)	(30)	(79)	(147)
Recoveries	86	43	774	151
Provision	(85)	(95)	(744)	176
Individually evaluated for impairment	733	494	733	494
Collectively evaluated for impairment	839	1,638	839	1,638
Ending balance	1,572	2,132	1,572	2,132
Loans
Individually evaluated for impairment	5,586	11,079	5,586	11,079
Collectively evaluated for impairment	119,723	100,727	119,723	100,727
Total	125,309	111,806	125,309	111,806
Commercial Real Estate [Member]
Allowance for credit losses
Beginning balance	4,724	6,524	4,692	6,916
Charge-offs	(28)	(414)	(130)	(1,074)
Recoveries	13	5	23	13
Provision	(346)	321	(222)	581
Individually evaluated for impairment	2,532	5,353	2,532	5,353
Collectively evaluated for impairment	1,831	1,083	1,831	1,083
Ending balance	4,363	6,436	4,363	6,436
Loans
Individually evaluated for impairment	20,980	27,443	20,980	27,443
Collectively evaluated for impairment	86,518	89,744	86,518	89,744
Total	107,498	117,187	107,498	117,187
Residential Real Estate and Home Equity [Member]
Allowance for credit losses
Beginning balance	161	212	204	291
Charge-offs	(46)	(20)	(89)	(19)
Recoveries	22	7	38	11
Provision	63	8	47	(76)
Individually evaluated for impairment	0	0	0	0
Collectively evaluated for impairment	200	207	200	207
Ending balance	200	207	200	207
Loans
Individually evaluated for impairment	0	0	0	0
Collectively evaluated for impairment	83,472	75,437	83,472	75,437
Total	$ 83,472	$ 75,437	$ 83,472	$ 75,437