Loans (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 400,057,000	$ 408,715,000
Commitment to extend credit	60,100,000	62,400,000
Standby letters of credit	2,500,000	2,500,000
Loans to directors, officers, principal shareholders and their affiliates [Roll Forward]
Aggregate amount outstanding, beginning of year	3,244,000	10,580,000
New loans or advances during year	2,043,000	1,959,000
Repayments during year	(1,957,000)	(9,295,000)
Aggregate amount outstanding, end of year	3,330,000	3,244,000
Loan commitments	2,916,000	3,001,000
Minimum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maturity period	3 years
Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maturity period	15 years
Commercial and Business Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	69,780,000	96,076,000
Government Program Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	2,337,000	2,984,000
Total Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	72,117,000	99,060,000
Percentage of total loans (in hundredths)	18.00%
Real Estate - Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of total loans (in hundredths)	47.50%
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	133,599,000	140,590,000
Residential Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	55,016,000	39,682,000
Home Improvement and Home Equity Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	1,319,000	1,859,000
Total Real Estate Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	189,934,000	182,131,000
RE Construction and Development Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	90,941,000	70,877,000
Percentage of total loans (in hundredths)	22.70%
Agricultural [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	36,169,000	45,483,000
Percentage of total loans (in hundredths)	9.00%
Installment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	10,884,000	11,115,000
Lease Financing [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 12,000	$ 49,000