Loans and Allowance for Loan Losses (Details 6) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Aging of the recorded investment in past due loans by class of loans
30-59 Days Past Due	$ 303	$ 3,303
60-89 Days Past Due	13	15
Greater than 90 Days Past Due	3,281	13,825
Total Past Due	3,597	17,143
Commercial [Member]
Aging of the recorded investment in past due loans by class of loans
30-59 Days Past Due	260	431
60-89 Days Past Due	11	14
Greater than 90 Days Past Due	1,103	2,741
Total Past Due	1,374	3,186
Commercial real estate [Member]
Aging of the recorded investment in past due loans by class of loans
30-59 Days Past Due	0	2,796
60-89 Days Past Due	2	0
Greater than 90 Days Past Due	1,925	10,750
Total Past Due	1,927	13,546
Residential real estate [Member]
Aging of the recorded investment in past due loans by class of loans
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
Greater than 90 Days Past Due	248	198
Total Past Due	248	198
Installment loans [Member]
Aging of the recorded investment in past due loans by class of loans
30-59 Days Past Due	0	3
60-89 Days Past Due	0	1
Greater than 90 Days Past Due	5	51
Total Past Due	5	55
Home Equity [Member]
Aging of the recorded investment in past due loans by class of loans
30-59 Days Past Due	43	73
60-89 Days Past Due	0	0
Greater than 90 Days Past Due	0	85
Total Past Due	$ 43	$ 158