Loans and Allowance for Loan Losses (Details 3) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Analysis of changes in the allowance for loan losses
Balance at beginning of period	$ 3,825	$ 3,058	$ 2,501
Loan charge-offs	(1,022)	(2,415)	(832)
Recoveries	311	162	193
Net loan charge-offs	(711)	(2,253)	(639)
Provision charged to operations	650	3,020	1,196
Balance at end of period	3,764	3,825	3,058
Commercial
Analysis of changes in the allowance for loan losses
Balance at beginning of period	639	565	249
Loan charge-offs	(1)	(1,937)
Recoveries	167	9	3
Net loan charge-offs	166	(1,928)	3
Provision charged to operations	(212)	2,002	313
Balance at end of period	593	639	565
Commercial real estate
Analysis of changes in the allowance for loan losses
Balance at beginning of period	2,616	1,803	1,611
Loan charge-offs	(782)	(36)	(211)
Recoveries	11	37	118
Net loan charge-offs	(771)	1	(93)
Provision charged to operations	793	812	285
Balance at end of period	2,638	2,616	1,803
Residential real estate
Analysis of changes in the allowance for loan losses
Balance at beginning of period	343	470	418
Loan charge-offs	(81)	(231)	(362)
Recoveries	26	46	6
Net loan charge-offs	(55)	(185)	(356)
Provision charged to operations	68	58	408
Balance at end of period	356	343	470
Consumer - home equity
Analysis of changes in the allowance for loan losses
Balance at beginning of period	123	128	111
Loan charge-offs	(12)	(59)	(91)
Recoveries	18	13	6
Net loan charge-offs	6	(46)	(85)
Provision charged to operations	(41)	41	102
Balance at end of period	88	123	128
Consumer - other
Analysis of changes in the allowance for loan losses
Balance at beginning of period	104	92	112
Loan charge-offs	(146)	(152)	(168)
Recoveries	89	57	60
Net loan charge-offs	(57)	(95)	(108)
Provision charged to operations	42	107	88
Balance at end of period	$ 89	$ 104	$ 92