Loans, Credit Quality Indicator (Details) (USD $)	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 735,763,000	$ 751,218,000	$ 744,143,000
Loan balance for reviewing high risk loans minimum	250,000
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	41,840,000	48,107,000	51,158,000
Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	18,568,000	10,666,000	14,177,000
Commercial Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	50,180,000	52,739,000	52,699,000
Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	10,875,000	6,549,000	8,189,000
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	332,895,000	341,783,000	325,317,000
Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	201,513,000	206,258,000	208,562,000
Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	49,175,000	47,035,000	49,798,000
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	23,548,000	25,676,000	27,439,000
Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	7,169,000	12,405,000	6,804,000
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	662,775,000	683,692,000
Pass [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	35,680,000	41,759,000
Pass [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	18,394,000	10,638,000
Pass [Member] | Commercial Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	42,273,000	42,669,000
Pass [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	10,774,000	6,341,000
Pass [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	299,106,000	317,567,000
Pass [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	179,234,000	182,977,000
Pass [Member] | Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	47,602,000	44,777,000
Pass [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	22,766,000	24,609,000
Pass [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	6,946,000	12,355,000
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	38,076,000	29,619,000
Special Mention [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,966,000	2,770,000
Special Mention [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	5,000	17,000
Special Mention [Member] | Commercial Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,948,000	1,512,000
Special Mention [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	101,000	208,000
Special Mention [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	19,154,000	10,760,000
Special Mention [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	13,251,000	13,524,000
Special Mention [Member] | Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	426,000	507,000
Special Mention [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	225,000	320,000
Special Mention [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	1,000
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	34,912,000	37,907,000
Substandard [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	3,194,000	3,578,000
Substandard [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	169,000	11,000
Substandard [Member] | Commercial Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	5,959,000	8,558,000
Substandard [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	0	0
Substandard [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	14,635,000	13,456,000
Substandard [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	9,028,000	9,757,000
Substandard [Member] | Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,147,000	1,751,000
Substandard [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	557,000	747,000
Substandard [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 223,000	$ 49,000