Allowance for Loan Losses, evaluated for impairment (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2012
Ending allowance balance [Abstract]
Individually evaluated for impairment	$ 2,266		$ 4,193
Collectively evaluated for impairment	8,204		8,764
Total ending allowance balance	10,470	11,806	12,957	12,737
Ending loan balance [Abstract]
Individually evaluated for impairment	37,862		44,407
Collectively evaluated for impairment	697,901		699,736
Total Loans	735,763	751,218	744,143
Commercial [Member]
Ending allowance balance [Abstract]
Individually evaluated for impairment	102		551
Collectively evaluated for impairment	618		466
Total ending allowance balance	720	1,017	1,017	981
Ending loan balance [Abstract]
Individually evaluated for impairment	1,068		2,388
Collectively evaluated for impairment	40,772		48,770
Total Loans	41,840	48,107	51,158
Agricultural [Member]
Ending allowance balance [Abstract]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	300		299
Total ending allowance balance	300	294	299	296
Ending loan balance [Abstract]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	18,568		14,177
Total Loans	18,568	10,666	14,177
Commercial Construction [Member]
Ending allowance balance [Abstract]
Individually evaluated for impairment	1,082		1,580
Collectively evaluated for impairment	792		395
Total ending allowance balance	1,874	1,782	1,975	1,890
Ending loan balance [Abstract]
Individually evaluated for impairment	4,812		10,007
Collectively evaluated for impairment	45,368		42,692
Total Loans	50,180	52,739	52,699
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	10,875		8,189
Total Loans	10,875	6,549	8,189
Commercial Real Estate [Member]
Ending allowance balance [Abstract]
Individually evaluated for impairment	772		1,080
Collectively evaluated for impairment	3,220		4,104
Total ending allowance balance	3,992	4,379	5,184	5,163
Ending loan balance [Abstract]
Individually evaluated for impairment	26,204		23,144
Collectively evaluated for impairment	306,691		302,173
Total Loans	332,895	341,783	325,317
Residential Real Estate [Member]
Ending allowance balance [Abstract]
Individually evaluated for impairment	310		982
Collectively evaluated for impairment	2,500		2,430
Total ending allowance balance	2,810	3,278	3,412	3,406
Ending loan balance [Abstract]
Individually evaluated for impairment	4,815		6,591
Collectively evaluated for impairment	196,698		201,971
Total Loans	201,513	206,258	208,562
Farmland [Member]
Ending allowance balance [Abstract]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	82		306
Total ending allowance balance	82	312	306	291
Ending loan balance [Abstract]
Individually evaluated for impairment	963		2,277
Collectively evaluated for impairment	48,212		47,521
Total Loans	49,175	47,035	49,798
Consumer [Member]
Ending allowance balance [Abstract]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	178		273
Total ending allowance balance	178	243	273	228
Ending loan balance [Abstract]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	23,548		27,439
Total Loans	23,548	25,676	27,439
Other [Member]
Ending allowance balance [Abstract]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	376		353
Total ending allowance balance	376	363	353	344
Ending loan balance [Abstract]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	7,169		6,804
Total Loans	$ 7,169	$ 12,405	$ 6,804