Allowance for Loan Losses, evaluated for impairment (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2012
Ending allowance balance [Abstract]
Individually evaluated for impairment	$ 1,077		$ 3,216
Collectively evaluated for impairment	8,711		9,735
Total ending allowance balance	9,788	11,806	12,951	12,737
Ending loan balance [Abstract]
Individually evaluated for impairment	31,018		42,518
Collectively evaluated for impairment	712,263		705,526
Total Loans	743,281	751,218	748,044
Commercial [Member]
Ending allowance balance [Abstract]
Individually evaluated for impairment	99		108
Collectively evaluated for impairment	563		914
Total ending allowance balance	662	1,017	1,022	981
Ending loan balance [Abstract]
Individually evaluated for impairment	100		1,555
Collectively evaluated for impairment	46,381		47,607
Total Loans	46,481	48,107	49,162
Agricultural [Member]
Ending allowance balance [Abstract]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	304		297
Total ending allowance balance	304	294	297	296
Ending loan balance [Abstract]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	23,017		17,613
Total Loans	23,017	10,666	17,613
Commercial Construction [Member]
Ending allowance balance [Abstract]
Individually evaluated for impairment	59		573
Collectively evaluated for impairment	983		1,332
Total ending allowance balance	1,042	1,782	1,905	1,890
Ending loan balance [Abstract]
Individually evaluated for impairment	3,039		7,702
Collectively evaluated for impairment	47,416		37,248
Total Loans	50,455	52,739	44,950
Residential Construction [Member]
Ending allowance balance [Abstract]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	138		138
Total ending allowance balance	138	138	138	138
Ending loan balance [Abstract]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	9,700		4,680
Total Loans	9,700	6,549	4,680
Commercial Real Estate [Member]
Ending allowance balance [Abstract]
Individually evaluated for impairment	283		1,559
Collectively evaluated for impairment	3,966		3,709
Total ending allowance balance	4,249	4,379	5,268	5,163
Ending loan balance [Abstract]
Individually evaluated for impairment	21,348		22,729
Collectively evaluated for impairment	306,150		312,715
Total Loans	327,498	341,783	335,444
Residential Real Estate [Member]
Ending allowance balance [Abstract]
Individually evaluated for impairment	605		774
Collectively evaluated for impairment	2,180		2,606
Total ending allowance balance	2,785	3,278	3,380	3,406
Ending loan balance [Abstract]
Individually evaluated for impairment	5,522		6,949
Collectively evaluated for impairment	198,791		200,809
Total Loans	204,313	206,258	207,758
Farmland [Member]
Ending allowance balance [Abstract]
Individually evaluated for impairment	31		202
Collectively evaluated for impairment	73		109
Total ending allowance balance	104	312	311	291
Ending loan balance [Abstract]
Individually evaluated for impairment	1,009		3,583
Collectively evaluated for impairment	49,392		45,705
Total Loans	50,401	47,035	49,288
Consumer [Member]
Ending allowance balance [Abstract]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	126		277
Total ending allowance balance	126	243	277	228
Ending loan balance [Abstract]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	23,448		26,235
Total Loans	23,448	25,676	26,235
Other [Member]
Ending allowance balance [Abstract]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	378		353
Total ending allowance balance	378	363	353	344
Ending loan balance [Abstract]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	7,968		12,914
Total Loans	$ 7,968	$ 12,405	$ 12,914