Loans and Allowance for Loan Losses (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Analysis of changes in the allowance for loan losses
Balance at beginning of period	$ 4,134	$ 4,145	$ 3,764	$ 3,825
Loan charge-offs	(277)	(448)	(516)	(655)
Recoveries	33	96	342	273
Net loan recoveries (charge-offs)	(244)	(352)	(174)	(382)
Provision charged to operations	188	150	488	500
Balance at end of period	4,078	3,943	4,078	3,943
Commercial
Analysis of changes in the allowance for loan losses
Balance at beginning of period	749	551	593	639
Loan charge-offs	(11)		(123)	(1)
Recoveries		48	262	164
Net loan recoveries (charge-offs)	(11)	48	139	163
Provision charged to operations	29	16	35	(187)
Balance at end of period	767	615	767	615
Commercial real estate
Analysis of changes in the allowance for loan losses
Balance at beginning of period	2,891	3,035	2,638	2,616
Loan charge-offs	(186)	(407)	(186)	(479)
Recoveries	3	8	3	11
Net loan recoveries (charge-offs)	(183)	(399)	(183)	(468)
Provision charged to operations	123	126	376	614
Balance at end of period	2,831	2,762	2,831	2,762
Residential real estate
Analysis of changes in the allowance for loan losses
Balance at beginning of period	295	340	356	343
Loan charge-offs	(49)	(2)	(68)	(81)
Recoveries	1	18	3	23
Net loan recoveries (charge-offs)	(48)	16	(65)	(58)
Provision charged to operations	79	8	35	79
Balance at end of period	326	364	326	364
Consumer - other
Analysis of changes in the allowance for loan losses
Balance at beginning of period	99	92	89	104
Loan charge-offs	(31)	(39)	(100)	(94)
Recoveries	17	18	54	62
Net loan recoveries (charge-offs)	(14)	(21)	(46)	(32)
Provision charged to operations	12	19	54	18
Balance at end of period	97	90	97	90
Consumer - home equity
Analysis of changes in the allowance for loan losses
Balance at beginning of period	100	127	88	123
Loan charge-offs			(39)
Recoveries	12	4	20	13
Net loan recoveries (charge-offs)	12	4	(19)	13
Provision charged to operations	(55)	(19)	(12)	(24)
Balance at end of period	$ 57	$ 112	$ 57	$ 112