Loans, Non-accrual and Past Due Loans (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	$ 9,570	$ 7,268
Age analysis of past due loans [Abstract]
30-59 Days Past Due	522	4,158
60-89 Days Past Due	445	850
90 Days or more Past Due	922	1,197
Total Past Due	1,889	6,205
Current	513,113	442,023
Total	515,002	448,228
Loans 90 days past due and still accruing	0	0
Commercial [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	2,609	2,853
Number of nonaccrual loans	9	11
Age analysis of past due loans [Abstract]
30-59 Days Past Due	200	2,255
60-89 Days Past Due	96	0
90 Days or more Past Due	269	170
Total Past Due	565	2,425
Current	110,079	86,385
Total	110,644	88,810
Commercial Real Estate [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	2,607	1,879
Number of nonaccrual loans	9	5
Age analysis of past due loans [Abstract]
30-59 Days Past Due	49	1,272
60-89 Days Past Due	341	0
90 Days or more Past Due	531	566
Total Past Due	921	1,838
Current	234,375	186,588
Total	235,296	188,426
Agriculture [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	1,590	0
Number of nonaccrual loans	3
Age analysis of past due loans [Abstract]
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
90 Days or more Past Due	0	0
Total Past Due	0	0
Current	51,730	52,747
Total	51,730	52,747
Residential Mortgage [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	2,166	2,095
Number of nonaccrual loans	7	7
Age analysis of past due loans [Abstract]
30-59 Days Past Due	207	570
60-89 Days Past Due	0	103
90 Days or more Past Due	99	335
Total Past Due	306	1,008
Current	52,503	50,258
Total	52,809	51,266
Residential Construction [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	93	0
Number of nonaccrual loans	2
Age analysis of past due loans [Abstract]
30-59 Days Past Due	40	53
60-89 Days Past Due	8	0
90 Days or more Past Due	0	0
Total Past Due	48	53
Current	10,396	7,533
Total	10,444	7,586
Consumer [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	505	441
Number of nonaccrual loans	5	7
Age analysis of past due loans [Abstract]
30-59 Days Past Due	26	8
60-89 Days Past Due	0	747
90 Days or more Past Due	23	126
Total Past Due	49	881
Current	54,030	58,512
Total	$ 54,079	$ 59,393