Allowance for Loan Losses (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
With no related allowance [Member]
Impaired loans
Recorded Investment	$ 2,161		$ 2,372
Unpaid Principal Balance	2,868		2,976
Related Allowance	0		15
Average Recorded Investment	2,267	1,844
Interest Income Recognized	35	0
With related allowance [Member]
Impaired loans
Recorded Investment	20,882		21,065
Unpaid Principal Balance	21,021		21,183
Related Allowance	1,291		1,277
Average Recorded Investment	20,973	21,960
Interest Income Recognized	938	242
Construction [Member] | With no related allowance [Member]
Impaired loans
Recorded Investment	13		14
Unpaid Principal Balance	13		14
Related Allowance	0		0
Average Recorded Investment	14	18
Interest Income Recognized	1	0
Construction [Member] | With related allowance [Member]
Impaired loans
Recorded Investment	0		0
Unpaid Principal Balance	0		0
Related Allowance	0		0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Land, Farmland, Ag Loans [Member] | With no related allowance [Member]
Impaired loans
Recorded Investment	458		558
Unpaid Principal Balance	873		972
Related Allowance	0		0
Average Recorded Investment	508	0
Interest Income Recognized	22	0
Land, Farmland, Ag Loans [Member] | With related allowance [Member]
Impaired loans
Recorded Investment	225		230
Unpaid Principal Balance	225		230
Related Allowance	65		68
Average Recorded Investment	228	1,200
Interest Income Recognized	18	4
Residential [Member] | With no related allowance [Member]
Impaired loans
Recorded Investment	635		639
Unpaid Principal Balance	802		804
Related Allowance	0		15
Average Recorded Investment	637	831
Interest Income Recognized	0	0
Residential [Member] | With related allowance [Member]
Impaired loans
Recorded Investment	11,268		11,377
Unpaid Principal Balance	11,381		11,462
Related Allowance	612		433
Average Recorded Investment	11,323	9,049
Interest Income Recognized	428	83
Commercial [Member] | With no related allowance [Member]
Impaired loans
Recorded Investment	990		1,095
Unpaid Principal Balance	1,115		1,121
Related Allowance	0		0
Average Recorded Investment	1,043	888
Interest Income Recognized	12	0
Commercial [Member] | With related allowance [Member]
Impaired loans
Recorded Investment	2,709		2,735
Unpaid Principal Balance	2,709		2,735
Related Allowance	178		295
Average Recorded Investment	2,722	6,575
Interest Income Recognized	153	95
Consumer [Member] | With no related allowance [Member]
Impaired loans
Recorded Investment	0		0
Unpaid Principal Balance	0		0
Related Allowance	0		0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Consumer [Member] | With related allowance [Member]
Impaired loans
Recorded Investment	487		496
Unpaid Principal Balance	513		529
Related Allowance	68		40
Average Recorded Investment	491	125
Interest Income Recognized	17	2
Commercial and Industrial [Member] | With no related allowance [Member]
Impaired loans
Recorded Investment	65		66
Unpaid Principal Balance	65		65
Related Allowance	0		0
Average Recorded Investment	65	107
Interest Income Recognized	0	0
Commercial and Industrial [Member] | With related allowance [Member]
Impaired loans
Recorded Investment	98		107
Unpaid Principal Balance	98		107
Related Allowance	21		25
Average Recorded Investment	102	389
Interest Income Recognized	7	5
Multi-Family [Member] | With no related allowance [Member]
Impaired loans
Recorded Investment	0		0
Unpaid Principal Balance	0		0
Related Allowance	0		0
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Multi-Family [Member] | With related allowance [Member]
Impaired loans
Recorded Investment	6,095		6,120
Unpaid Principal Balance	6,095		6,120
Related Allowance	347		416
Average Recorded Investment	6,107	4,622
Interest Income Recognized	$ 315	$ 53