Loans (Details 9) (USD $)	Jun. 30, 2012 Loans	Dec. 31, 2011 Loans
Loans modified as TDRs by class and related recorded investment
Number of Loans	37	32
Impaired loans	$ 22,705,494	$ 21,302,425
Unsecured [Member]
Loans modified as TDRs by class and related recorded investment
Number of Loans	0	1
Impaired loans		13,604
Cash Value [Member]
Loans modified as TDRs by class and related recorded investment
Number of Loans	0	0
Impaired loans
Residential Real Estate [Member]
Loans modified as TDRs by class and related recorded investment
Number of Loans	9	5
Impaired loans	6,303,915	4,949,688
Commercial Real Estate [Member]
Loans modified as TDRs by class and related recorded investment
Number of Loans	25	22
Impaired loans	16,389,979	16,320,317
Business Assets [Member]
Loans modified as TDRs by class and related recorded investment
Number of Loans	2	2
Impaired loans	11,534	12,799
Vehicles [Member]
Loans modified as TDRs by class and related recorded investment
Number of Loans	1	2
Impaired loans	66	6,017
Other [Member]
Loans modified as TDRs by class and related recorded investment
Number of Loans	0	0
Impaired loans