Loans and Allowance for Loan Losses (Details 5) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Restructured loans (loans, still accruing interest):
Post-Modification Outstanding Recorded Investment	$ 1,602,025	$ 1,618,278
Commercial
Restructured loans (loans, still accruing interest):
Modification Number of Contracts	1	1
Pre-Modification Outstanding Recorded Investment	127,790	134,814
Post-Modification Outstanding Recorded Investment	127,790	134,814
Troubled Debt Restructurings That Subsequently Defaulted Modification, Number of Contracts
Troubled Debt Restructurings That Subsequently Defaulted Pre-Modification Outstanding Recorded Investment
Troubled Debt Restructurings That Subsequently Defaulted Post-Modification Outstanding Recorded Investment
Commercial Real Estate
Restructured loans (loans, still accruing interest):
Modification Number of Contracts	3	3
Pre-Modification Outstanding Recorded Investment	1,363,762	1,371,983
Post-Modification Outstanding Recorded Investment	1,363,762	1,371,983
Troubled Debt Restructurings That Subsequently Defaulted Modification, Number of Contracts
Troubled Debt Restructurings That Subsequently Defaulted Pre-Modification Outstanding Recorded Investment
Troubled Debt Restructurings That Subsequently Defaulted Post-Modification Outstanding Recorded Investment
Commercial Real Estate Construction
Restructured loans (loans, still accruing interest):
Modification Number of Contracts
Pre-Modification Outstanding Recorded Investment
Post-Modification Outstanding Recorded Investment
Troubled Debt Restructurings That Subsequently Defaulted Modification, Number of Contracts
Troubled Debt Restructurings That Subsequently Defaulted Pre-Modification Outstanding Recorded Investment
Troubled Debt Restructurings That Subsequently Defaulted Post-Modification Outstanding Recorded Investment
Consumer Real Estate - Prime
Restructured loans (loans, still accruing interest):
Modification Number of Contracts	1	1
Pre-Modification Outstanding Recorded Investment	110,473	111,481
Post-Modification Outstanding Recorded Investment	110,473	111,481
Troubled Debt Restructurings That Subsequently Defaulted Modification, Number of Contracts
Troubled Debt Restructurings That Subsequently Defaulted Pre-Modification Outstanding Recorded Investment
Troubled Debt Restructurings That Subsequently Defaulted Post-Modification Outstanding Recorded Investment
Consumer Real Estate - Subprime
Restructured loans (loans, still accruing interest):
Modification Number of Contracts
Pre-Modification Outstanding Recorded Investment
Post-Modification Outstanding Recorded Investment
Troubled Debt Restructurings That Subsequently Defaulted Modification, Number of Contracts
Troubled Debt Restructurings That Subsequently Defaulted Pre-Modification Outstanding Recorded Investment
Troubled Debt Restructurings That Subsequently Defaulted Post-Modification Outstanding Recorded Investment
Consumer Other
Restructured loans (loans, still accruing interest):
Modification Number of Contracts
Pre-Modification Outstanding Recorded Investment
Post-Modification Outstanding Recorded Investment
Troubled Debt Restructurings That Subsequently Defaulted Modification, Number of Contracts
Troubled Debt Restructurings That Subsequently Defaulted Pre-Modification Outstanding Recorded Investment
Troubled Debt Restructurings That Subsequently Defaulted Post-Modification Outstanding Recorded Investment