Loans and Allowance for Loan Losses (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Activity in the allowance for loan losses
Beginning balance	$ 5,176	$ 3,328	$ 4,776	$ 2,889
Provision (benefit)	825	742	1,306	1,218
Charge-offs	(679)	(333)	(766)	(374)
Recoveries	38	2	44	6
Ending Balance	5,360	3,739	5,360	3,739
Commercial [Member]
Activity in the allowance for loan losses
Beginning balance	356	252	321	261
Provision (benefit)	34	66	69	94
Charge-offs		(24)		(61)
Recoveries
Ending Balance	390	294	390	294
Consumer [Member]
Activity in the allowance for loan losses
Beginning balance	22	19	16	21
Provision (benefit)	(2)	5	12	3
Charge-offs	(4)	(8)	(14)	(12)
Recoveries	3	2	5	6
Ending Balance	19	18	19	18
Residential one-to-four family [Member]
Activity in the allowance for loan losses
Beginning balance	1,013	986	986	1,057
Provision (benefit)	172	243	199	172
Charge-offs	(127)	(210)	(127)	(210)
Recoveries	28		28
Ending Balance	1,086	1,019	1,086	1,019
Commercial real estate [Member]
Activity in the allowance for loan losses
Beginning balance	2,302	1,414	1,969	1,136
Provision (benefit)	318	(39)	651	239
Charge-offs
Recoveries
Ending Balance	2,620	1,375	2,620	1,375
Construction [Member]
Activity in the allowance for loan losses
Beginning balance	163	147	188	140
Provision (benefit)	5	39	(20)	46
Charge-offs
Recoveries
Ending Balance	168	186	168	186
Equity lines of credit [Member]
Activity in the allowance for loan losses
Beginning balance	651	200	632	236
Provision (benefit)	179	200	198	164
Charge-offs	(455)	(83)	(455)	(83)
Recoveries
Ending Balance	375	317	375	317
Indirect auto [Member]
Activity in the allowance for loan losses
Beginning balance	669	310	664	38
Provision (benefit)	119	222	197	494
Charge-offs	(93)	(8)	(170)	(8)
Recoveries	7		11
Ending Balance	702	524	702	524
Unallocated [Member]
Activity in the allowance for loan losses
Beginning balance
Provision (benefit)		6		6
Charge-offs
Recoveries
Ending Balance		$ 6		$ 6