Allowance for Loan Losses (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
With No Related Allowance [Member]
Impaired loans
Recorded Investment	$ 1,798		$ 1,798		$ 2,803
Unpaid Principal Balance	2,542		2,542		6,716
Related Allowance	0		0		0
Average Recorded Investment	1,855	2,702	1,157	2,157
Interest Income Recognized	37	42	0	70
With Related Allowance [Member]
Impaired loans
Recorded Investment	23,273		23,273		21,913
Unpaid Principal Balance	24,048		24,048		21,990
Related Allowance	1,699		1,699		1,760
Average Recorded Investment	22,854	22,788	25,646	22,194
Interest Income Recognized	497	508	583	783
Construction [Member] | With No Related Allowance [Member]
Impaired loans
Recorded Investment	0		0		0
Unpaid Principal Balance	0		0		0
Related Allowance	0		0		0
Average Recorded Investment	0	0	0	0
Interest Income Recognized	0	0	0	0
Construction [Member] | With Related Allowance [Member]
Impaired loans
Recorded Investment	16		16		19
Unpaid Principal Balance	16		16		0
Related Allowance	1		1		3
Average Recorded Investment	16	0	18	0
Interest Income Recognized	0	0	0	0
Land, Farmland, Ag Loans [Member] | With No Related Allowance [Member]
Impaired loans
Recorded Investment	0		0		0
Unpaid Principal Balance	0		0		0
Related Allowance	0		0		0
Average Recorded Investment	0	0	0	0
Interest Income Recognized	0	0	0	0
Land, Farmland, Ag Loans [Member] | With Related Allowance [Member]
Impaired loans
Recorded Investment	900		900		1,203
Unpaid Principal Balance	1,256		1,256		1,216
Related Allowance	100		100		208
Average Recorded Investment	902	1,220	243	1,258
Interest Income Recognized	25	45	9	53
Residential [Member] | With No Related Allowance [Member]
Impaired loans
Recorded Investment	589		589		1,945
Unpaid Principal Balance	673		673		3,579
Related Allowance	0		0		0
Average Recorded Investment	619	512	551	402
Interest Income Recognized	1	0	0	3
Residential [Member] | With Related Allowance [Member]
Impaired loans
Recorded Investment	10,825		10,825		8,922
Unpaid Principal Balance	11,202		11,202		9,033
Related Allowance	595		595		720
Average Recorded Investment	10,954	9,754	11,756	9,446
Interest Income Recognized	186	190	194	289
Commercial & Non-Residential [Member] | With No Related Allowance [Member]
Impaired loans
Recorded Investment	1,143		1,143		695
Unpaid Principal Balance	1,143		1,143		2,015
Related Allowance	0		0		0
Average Recorded Investment	1,170	1,176	504	919
Interest Income Recognized	36	0	0	38
Commercial & Non-Residential [Member] | With Related Allowance [Member]
Impaired loans
Recorded Investment	5,949		5,949		6,612
Unpaid Principal Balance	5,949		5,949		6,612
Related Allowance	524		524		335
Average Recorded Investment	5,544	5,899	8,361	5,905
Interest Income Recognized	163	123	253	219
Consumer [Member] | With No Related Allowance [Member]
Impaired loans
Recorded Investment	0		0		0
Unpaid Principal Balance	0		0		0
Related Allowance	0		0		0
Average Recorded Investment	0	0	0	0
Interest Income Recognized	0	0	0	0
Consumer [Member] | With Related Allowance [Member]
Impaired loans
Recorded Investment	526		526		128
Unpaid Principal Balance	568		568		100
Related Allowance	39		39		41
Average Recorded Investment	553	0	280	0
Interest Income Recognized	12	0	8	0
Commercial and industrial [Member] | With No Related Allowance [Member]
Impaired loans
Recorded Investment	66		66		112
Unpaid Principal Balance	66		66		151
Related Allowance	0		0		0
Average Recorded Investment	66	704	102	669
Interest Income Recognized	0	16	0	29
Commercial and industrial [Member] | With Related Allowance [Member]
Impaired loans
Recorded Investment	492		492		396
Unpaid Principal Balance	492		492		396
Related Allowance	34		34		27
Average Recorded Investment	308	314	377	318
Interest Income Recognized	4	9	12	13
Multi-Family [Member] | With No Related Allowance [Member]
Impaired loans
Recorded Investment	0		0		51
Unpaid Principal Balance	660		660		971
Related Allowance	0		0		0
Average Recorded Investment	0	310	0	167
Interest Income Recognized	0	26	0	0
Multi-Family [Member] | With Related Allowance [Member]
Impaired loans
Recorded Investment	4,565		4,565		4,633
Unpaid Principal Balance	4,565		4,565		4,633
Related Allowance	406		406		426
Average Recorded Investment	4,577	5,601	4,611	5,267
Interest Income Recognized	$ 107	$ 141	$ 107	$ 209