LOANS, Non-accrual and Past Due Loans (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	$ 6,809,000	$ 7,268,000
Age analysis of past due loans [Abstract]
30-59 Days Past Due	1,186,000	4,158,000
60-89 Days Past Due	103,000	850,000
90 Days or more Past Due	1,231,000	1,197,000
Total Past Due	2,520,000	6,205,000
Current	445,123,000	442,023,000
Total	447,643,000	448,228,000
Loans 90 days past due and still accruing	0	0
Commercial [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	2,747,000	2,853,000
Number of nonaccrual loans	9	11
Age analysis of past due loans [Abstract]
30-59 Days Past Due	159,000	2,255,000
60-89 Days Past Due	103,000	0
90 Days or more Past Due	146,000	170,000
Total Past Due	408,000	2,425,000
Current	93,845,000	86,385,000
Total	94,253,000	88,810,000
Commercial Real Estate [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	1,840,000	1,879,000
Number of nonaccrual loans	4	5
Age analysis of past due loans [Abstract]
30-59 Days Past Due	345,000	1,272,000
60-89 Days Past Due	0	0
90 Days or more Past Due	549,000	566,000
Total Past Due	894,000	1,838,000
Current	195,187,000	186,588,000
Total	196,081,000	188,426,000
Agriculture [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	0	0
Age analysis of past due loans [Abstract]
30-59 Days Past Due	156,000	0
60-89 Days Past Due	0	0
90 Days or more Past Due	0	0
Total Past Due	156,000	0
Current	39,856,000	52,747,000
Total	40,012,000	52,747,000
Residential Mortgage [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	1,940,000	2,095,000
Number of nonaccrual loans	7	7
Age analysis of past due loans [Abstract]
30-59 Days Past Due	467,000	570,000
60-89 Days Past Due	0	103,000
90 Days or more Past Due	347,000	335,000
Total Past Due	814,000	1,008,000
Current	50,946,000	50,258,000
Total	51,760,000	51,266,000
Residential Construction [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	0	0
Age analysis of past due loans [Abstract]
30-59 Days Past Due	52,000	53,000
60-89 Days Past Due	0	0
90 Days or more Past Due	0	0
Total Past Due	52,000	53,000
Current	7,932,000	7,533,000
Total	7,984,000	7,586,000
Consumer [Member]
Non-accrual and Past Due Loans [Abstract]
Non-accrual loans	282,000	441,000
Number of nonaccrual loans	5	7
Age analysis of past due loans [Abstract]
30-59 Days Past Due	7,000	8,000
60-89 Days Past Due	0	747,000
90 Days or more Past Due	189,000	126,000
Total Past Due	196,000	881,000
Current	57,357,000	58,512,000
Total	$ 57,553,000	$ 59,393,000