Loans and Allowance for Loan Losses (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Analysis of changes in the allowance for loan losses
Balance at beginning of period	$ 4,051	$ 3,891	$ 3,764	$ 3,825
Loan charge-offs	(92)	(31)	(239)	(207)
Recoveries	25	135	309	177
Net loan recoveries (charge-offs)	(67)	104	70	(30)
Provision charged to operations	150	150	300	350
Balance at end of period	4,134	4,145	4,134	4,145
Commercial
Analysis of changes in the allowance for loan losses
Balance at beginning of period	684	619	593	639
Loan charge-offs			(112)	(1)
Recoveries		112	262	116
Net loan recoveries (charge-offs)		112	150	115
Provision charged to operations	65	(180)	6	(203)
Balance at end of period	749	551	749	551
Commercial real estate
Analysis of changes in the allowance for loan losses
Balance at beginning of period	2,897	2,738	2,638	2,616
Loan charge-offs				(72)
Recoveries		3		3
Net loan recoveries (charge-offs)		3		(69)
Provision charged to operations	(6)	294	253	488
Balance at end of period	2,891	3,035	2,891	3,035
Residential real estate
Analysis of changes in the allowance for loan losses
Balance at beginning of period	293	334	356	343
Loan charge-offs	(19)	(5)	(19)	(79)
Recoveries	1	4	2	5
Net loan recoveries (charge-offs)	(18)	(1)	(17)	(74)
Provision charged to operations	20	7	(44)	71
Balance at end of period	295	340	295	340
Consumer - other
Analysis of changes in the allowance for loan losses
Balance at beginning of period	87	93	89	104
Loan charge-offs	(34)	(26)	(69)	(55)
Recoveries	21	12	37	44
Net loan recoveries (charge-offs)	(13)	(14)	(32)	(11)
Provision charged to operations	25	13	42	(1)
Balance at end of period	99	92	99	92
Consumer - home equity
Analysis of changes in the allowance for loan losses
Balance at beginning of period	90	107	88	123
Loan charge-offs	(39)		(39)
Recoveries	3	4	8	9
Net loan recoveries (charge-offs)	(36)	4	(31)	9
Provision charged to operations	46	16	43	(5)
Balance at end of period	$ 100	$ 127	$ 100	$ 127