Loans and Allowance for Loan Losses (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Analysis of changes in the allowance for loan losses
Balance at beginning of period	$ 3,764	$ 3,825
Loan charge-offs	(147)	(176)
Recoveries	284	42
Net loan recoveries (charge-offs)	137	(134)
Provision charged to operations	150	200
Balance at end of period	4,051	3,891
Commercial
Analysis of changes in the allowance for loan losses
Balance at beginning of period	593	639
Loan charge-offs	(112)	(1)
Recoveries	262	4
Net loan recoveries (charge-offs)	150	3
Provision charged to operations	(59)	(23)
Balance at end of period	684	619
Commercial real estate
Analysis of changes in the allowance for loan losses
Balance at beginning of period	2,638	2,616
Loan charge-offs		(72)
Recoveries
Net loan recoveries (charge-offs)		(72)
Provision charged to operations	259	194
Balance at end of period	2,897	2,738
Residential real estate
Analysis of changes in the allowance for loan losses
Balance at beginning of period	356	343
Loan charge-offs		(74)
Recoveries	1	1
Net loan recoveries (charge-offs)	1	(73)
Provision charged to operations	(64)	64
Balance at end of period	293	334
Consumer - home equity
Analysis of changes in the allowance for loan losses
Balance at beginning of period	88	123
Loan charge-offs
Recoveries	5	5
Net loan recoveries (charge-offs)	5	5
Provision charged to operations	(3)	(21)
Balance at end of period	90	107
Consumer - other
Analysis of changes in the allowance for loan losses
Balance at beginning of period	89	104
Loan charge-offs	(35)	(29)
Recoveries	16	32
Net loan recoveries (charge-offs)	(19)	3
Provision charged to operations	17	(14)
Balance at end of period	$ 87	$ 93