Loans, Credit Quality Indicator (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 743,281,000	$ 751,218,000	$ 748,044,000
Loan balance for reviewing high risk loans minimum	250,000
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	46,481,000	48,107,000	49,162,000
Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	23,017,000	10,666,000	17,613,000
Commercial Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	50,455,000	52,739,000	44,950,000
Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	9,700,000	6,549,000	4,680,000
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	327,498,000	341,783,000	335,444,000
Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	204,313,000	206,258,000	207,758,000
Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	50,401,000	47,035,000	49,288,000
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	23,448,000	25,676,000	26,235,000
Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	7,968,000	12,405,000	12,914,000
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	684,299,000	683,692,000
Pass [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	41,379,000	41,759,000
Pass [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	22,825,000	10,638,000
Pass [Member] | Commercial Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	44,084,000	42,669,000
Pass [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	9,591,000	6,341,000
Pass [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	306,612,000	317,567,000
Pass [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	180,906,000	182,977,000
Pass [Member] | Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	48,428,000	44,777,000
Pass [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	22,710,000	24,609,000
Pass [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	7,764,000	12,355,000
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	26,321,000	29,619,000
Special Mention [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	3,058,000	2,770,000
Special Mention [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	35,000	17,000
Special Mention [Member] | Commercial Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,979,000	1,512,000
Special Mention [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	109,000	208,000
Special Mention [Member] | Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	9,959,000	10,760,000
Special Mention [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	10,480,000	13,524,000
Special Mention [Member] | Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	475,000	507,000
Special Mention [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	226,000	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	32,661,000	37,907,000
Substandard [Member] | Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,044,000	3,578,000
Substandard [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	157,000	11,000
Substandard [Member] | Commercial Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	4,392,000	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	10,927,000	13,456,000
Substandard [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	12,927,000	9,757,000
Substandard [Member] | Farmland [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	1,498,000	1,751,000
Substandard [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	512,000	747,000
Substandard [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 204,000	$ 49,000