Loans (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 557,209	$ 515,318	$ 503,747
Commitments to Extend Credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value, concentration of risk, commitments	112,516	107,084
Standby Letters of Credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Fair value, concentration of risk, commitments	2,717	3,295
Total Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 59,482	55,826
Percentage of total loans (in hundredths)	10.70%
Commercial and Business Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 57,505	54,503
Government Program Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	1,977	1,323
Total Real Estate Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 283,554	252,232
Percentage of total loans (in hundredths)	50.90%
Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 181,494	182,554
Residential Mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 101,300	68,811
Residential Mortgages | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maturity period	3 years
Residential Mortgages | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maturity period	15 years
Home Improvement and Home Equity loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 760	867
Real Estate Construction and Development Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 138,174	130,596
Percentage of total loans (in hundredths)	24.80%
Agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 46,763	52,137
Percentage of total loans (in hundredths)	8.40%
Installment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 29,236	$ 24,527
Percentage of total loans (in hundredths)	5.20%