Loans (Details 6) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Loans Receivable Payment Age Analysis
30-59 Days	$ 1,126	$ 2,346
60-89 Days	715	610
90+ Days	2,696	4,650
Total Past Due	4,537	7,606
Current	511,811	477,585
Total Loans	516,348	485,191
Commercial and Industrial
Loans Receivable Payment Age Analysis
30-59 Days	284	375
60-89 Days	57	83
90+ Days	610	1,795
Total Past Due	951	2,253
Current	114,978	111,990
Total Loans	115,929	114,243
Agricultural
Loans Receivable Payment Age Analysis
60-89 Days		154
90+ Days	152
Total Past Due	152	154
Current	4,102	4,111
Total Loans	4,254	4,265
Government
Loans Receivable Payment Age Analysis
Current	10,037	14,125
Total Loans	10,037	14,125
Commercial Real Estate
Loans Receivable Payment Age Analysis
30-59 Days	376	936
60-89 Days	547	76
90+ Days	1,276	1,028
Total Past Due	2,199	2,040
Current	210,651	181,778
Total Loans	212,850	183,818
Commercial Construction and Development
Loans Receivable Payment Age Analysis
60-89 Days		20
Total Past Due		20
Current	11,434	25,340
Total Loans	11,434	25,360
Residential Prime
Loans Receivable Payment Age Analysis
30-59 Days	369	950
60-89 Days	87	274
90+ Days	335	1,344
Total Past Due	791	2,568
Current	123,189	103,011
Total Loans	123,980	105,579
Residential HELOC
Loans Receivable Payment Age Analysis
30-59 Days	45	64
60-89 Days	14
90+ Days	314	335
Total Past Due	373	399
Current	20,304	21,357
Total Loans	20,677	21,756
Construction and Development
Loans Receivable Payment Age Analysis
30-59 Days	37
90+ Days		133
Total Past Due	37	133
Current	13,583	11,197
Total Loans	13,620	11,330
Consumer Loan
Loans Receivable Payment Age Analysis
30-59 Days	15	21
60-89 Days	10	3
90+ Days	9	15
Total Past Due	34	39
Current	3,533	4,676
Total Loans	$ 3,567	$ 4,715