Loans (Details 6) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Schedule of investment in past due loans
30-59 Days Past Due	$ 2,720	$ 2,848
60-89 Days Past Due	492	623
90 Days or More Past Due and Nonaccrual	8,686	11,010
Total Past Due	11,898	14,481
Loans Not Past Due	561,005	557,325
Total ending loans balance	572,903	571,806
Commercial real estate, Owner occupied [Member]
Schedule of investment in past due loans
30-59 Days Past Due	19	111
60-89 Days Past Due	0	0
90 Days or More Past Due and Nonaccrual	3,151	2,640
Total Past Due	3,170	2,751
Loans Not Past Due	89,236	97,630
Total ending loans balance	92,406	100,381
Commercial real estate, Non-owner occupied [Member]
Schedule of investment in past due loans
30-59 Days Past Due	0	13
60-89 Days Past Due	0	0
90 Days or More Past Due and Nonaccrual	833	2,795
Total Past Due	833	2,808
Loans Not Past Due	83,469	77,515
Total ending loans balance	84,302	80,323
Commercial real estate, Other[Member]
Schedule of investment in past due loans
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
90 Days or More Past Due and Nonaccrual	0	590
Total Past Due	0	590
Loans Not Past Due	21,417	16,747
Total ending loans balance	21,417	17,337
Commercial [Member]
Schedule of investment in past due loans
30-59 Days Past Due	50	26
60-89 Days Past Due	44	0
90 Days or More Past Due and Nonaccrual	1,602	527
Total Past Due	1,696	553
Loans Not Past Due	82,099	74,322
Total ending loans balance	83,795	74,875
Residential real estate, 1-4 family residential [Member]
Schedule of investment in past due loans
30-59 Days Past Due	988	973
60-89 Days Past Due	116	361
90 Days or More Past Due and Nonaccrual	2,706	4,018
Total Past Due	3,810	5,352
Loans Not Past Due	132,075	139,736
Total ending loans balance	135,885	145,088
Residential real estate, Home equity lines of credit [Member]
Schedule of investment in past due loans
30-59 Days Past Due	231	128
60-89 Days Past Due	0	0
90 Days or More Past Due and Nonaccrual	379	299
Total Past Due	610	427
Loans Not Past Due	22,941	21,516
Total ending loans balance	23,551	21,943
Consumer, Indirect [Member]
Schedule of investment in past due loans
30-59 Days Past Due	1,246	1,458
60-89 Days Past Due	294	218
90 Days or More Past Due and Nonaccrual	13	126
Total Past Due	1,553	1,802
Loans Not Past Due	117,087	116,941
Total ending loans balance	118,640	118,743
Consumer, Direct [Member]
Schedule of investment in past due loans
30-59 Days Past Due	165	120
60-89 Days Past Due	28	41
90 Days or More Past Due and Nonaccrual	0	13
Total Past Due	193	174
Loans Not Past Due	11,224	11,422
Total ending loans balance	11,417	11,596
Consumer, Other [Member]
Schedule of investment in past due loans
30-59 Days Past Due	21	19
60-89 Days Past Due	10	3
90 Days or More Past Due and Nonaccrual	2	2
Total Past Due	33	24
Loans Not Past Due	1,457	1,496
Total ending loans balance	$ 1,490	$ 1,520