LOANS AND ALLOWANCE FOR LOAN LOSSES (Schedule of Aging of Loans Receivable) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Aging analysis of past due loans
30-59 Days Past Due	$ 800		$ 1,260
60-89 Days Past Due	626		632
Greater than 90 Days	650		231
Total Past Due	2,076		2,123
Current	468,630		435,749
Ending balance	470,706		437,872		414,213
Loans Receivable - Greater than 90 Days and Accruing	384		231
Commercial Real Estate Commercial Mortgages [Member]
Aging analysis of past due loans
30-59 Days Past Due
60-89 Days Past Due	189		205
Greater than 90 Days	266
Total Past Due	455		205
Current	95,459		97,038
Ending balance	95,914		97,243
Loans Receivable - Greater than 90 Days and Accruing
Commercial Real Estate Agriculture Mortgages [Member]
Aging analysis of past due loans
30-59 Days Past Due			69
60-89 Days Past Due
Greater than 90 Days
Total Past Due			69
Current	140,322		114,464
Ending balance	140,322		114,533
Loans Receivable - Greater than 90 Days and Accruing
Commercial Real Estate Construction [Member]
Aging analysis of past due loans
30-59 Days Past Due
60-89 Days Past Due
Greater than 90 Days
Total Past Due
Current	7,387		9,399
Ending balance	7,387		9,399
Loans Receivable - Greater than 90 Days and Accruing
Consumer 1-4 family residential mortgages [Member]
Aging analysis of past due loans
30-59 Days Past Due	665		1,089
60-89 Days Past Due	349		401
Greater than 90 Days	372		214
Total Past Due	1,386		1,704
Current	122,009		125,549
Ending balance	123,395	[1]	127,253	[1]
Loans Receivable - Greater than 90 Days and Accruing	372		214
Consumer Home Equity Loans [Member]
Aging analysis of past due loans
30-59 Days Past Due	78		57
60-89 Days Past Due	14
Greater than 90 Days	12
Total Past Due	104		57
Current	12,459		10,832
Ending balance	12,563	[1]	10,889	[1]
Loans Receivable - Greater than 90 Days and Accruing	12
Consumer Home Equity Lines of Credit [Member]
Aging analysis of past due loans
30-59 Days Past Due	13		15
60-89 Days Past Due			13
Greater than 90 Days
Total Past Due	13		28
Current	27,295		21,069
Ending balance	27,308	[1]	21,097	[1]
Loans Receivable - Greater than 90 Days and Accruing
Commercial and Industrial [Member]
Aging analysis of past due loans
30-59 Days Past Due	21		20
60-89 Days Past Due	73
Greater than 90 Days
Total Past Due	94		20
Current	31,904		28,699
Ending balance	31,998		28,719
Loans Receivable - Greater than 90 Days and Accruing
Commercial and Industrial Tax Free Loans [Member]
Aging analysis of past due loans
30-59 Days Past Due
60-89 Days Past Due
Greater than 90 Days
Total Past Due
Current	11,806		10,622
Ending balance	11,806		10,622
Loans Receivable - Greater than 90 Days and Accruing
Commercial and Industrial Agriculture Loans [Member]
Aging analysis of past due loans
30-59 Days Past Due
60-89 Days Past Due
Greater than 90 Days
Total Past Due
Current	16,496		14,054
Ending balance	16,496		14,054
Loans Receivable - Greater than 90 Days and Accruing
Consumer [Member]
Aging analysis of past due loans
30-59 Days Past Due	23		10
60-89 Days Past Due	1		13
Greater than 90 Days			17
Total Past Due	24		40
Current	3,493		4,023
Ending balance	3,517		4,063		3,872
Loans Receivable - Greater than 90 Days and Accruing			$ 17

[1] Real estate loans serviced for others, which are not included in the Consolidated Balance Sheets, totaled $16,670,000 and $4,866,000 as of December 31, 2014, and 2013, respectively.