LOANS AND ALLOWANCE FOR LOAN LOSSES - ALLOWANCES (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Dec. 31, 2015
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance	$ 14,260	$ 13,686
Charge-offs	(451)	(390)
Recoveries	123	206
Net recoveries (charge-offs)	(328)	(184)
Provision	595	390
Ending balance	14,527	13,892
Ending allowance balance attributable to loans [Abstract]
Individually evaluated for impairment			$ 1,749	$ 1,566
Collectively evaluated for impairment			12,679	12,595
Total ending allowance balance	14,260	13,686	14,527	14,260
Loans [Abstract]
Loans individually evaluated for impairment			14,234	14,980
Loans collectively evaluated for impairment			1,173,509	1,154,428
Total ending loans balance			1,189,821	1,171,503
Loans Acquired with Deteriorated Credit Quality [Member]
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance	99
Ending balance	99
Ending allowance balance attributable to loans [Abstract]
Total ending allowance balance	99		99	99
Loans [Abstract]
Total ending loans balance			2,078	2,095
Commercial and Agricultural [Member]
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance	1,831	1,460
Charge-offs	(8)	0
Recoveries	32	15
Net recoveries (charge-offs)	24	15
Provision	(60)	196
Ending balance	1,795	1,671
Ending allowance balance attributable to loans [Abstract]
Individually evaluated for impairment			9	8
Collectively evaluated for impairment			1,786	1,823
Total ending allowance balance	1,831	1,460	1,795	1,831
Loans [Abstract]
Loans individually evaluated for impairment			1,051	1,498
Loans collectively evaluated for impairment			189,987	192,202
Total ending loans balance			191,038	193,700
Commercial and Agricultural [Member] | Loans Acquired with Deteriorated Credit Quality [Member]
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance	0
Ending balance	0
Ending allowance balance attributable to loans [Abstract]
Total ending allowance balance	0		0	0
Loans [Abstract]
Total ending loans balance			0	0
Commercial Mortgages [Member]
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance	7,112	6,326
Charge-offs	0	0
Recoveries	7	67
Net recoveries (charge-offs)	7	67
Provision	413	137
Ending balance	7,532	6,530
Ending allowance balance attributable to loans [Abstract]
Individually evaluated for impairment			1,577	1,481
Collectively evaluated for impairment			5,896	5,572
Total ending allowance balance	7,112	6,326	7,532	7,112
Loans [Abstract]
Loans individually evaluated for impairment			12,404	12,773
Loans collectively evaluated for impairment			522,147	493,102
Total ending loans balance			536,355	507,700
Commercial Mortgages [Member] | Loans Acquired with Deteriorated Credit Quality [Member]
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance	59
Ending balance	59
Ending allowance balance attributable to loans [Abstract]
Total ending allowance balance	59		59	59
Loans [Abstract]
Total ending loans balance			1,804	1,825
Residential Mortgages [Member]
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance	1,464	1,572
Charge-offs	0	(21)
Recoveries	0	0
Net recoveries (charge-offs)	0	(21)
Provision	18	43
Ending balance	1,482	1,594
Ending allowance balance attributable to loans [Abstract]
Individually evaluated for impairment			0	0
Collectively evaluated for impairment			1,442	1,424
Total ending allowance balance	1,464	1,572	1,482	1,464
Loans [Abstract]
Loans individually evaluated for impairment			311	235
Loans collectively evaluated for impairment			196,646	195,731
Total ending loans balance			197,231	196,236
Residential Mortgages [Member] | Loans Acquired with Deteriorated Credit Quality [Member]
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance	40
Ending balance	40
Ending allowance balance attributable to loans [Abstract]
Total ending allowance balance	40		40	40
Loans [Abstract]
Total ending loans balance			274	270
Consumer Loans [Member]
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance	3,853	4,328
Charge-offs	(443)	(369)
Recoveries	84	124
Net recoveries (charge-offs)	(359)	(245)
Provision	224	14
Ending balance	3,718	4,097
Ending allowance balance attributable to loans [Abstract]
Individually evaluated for impairment			163	77
Collectively evaluated for impairment			3,555	3,776
Total ending allowance balance	3,853	$ 4,328	3,718	3,853
Loans [Abstract]
Loans individually evaluated for impairment			468	474
Loans collectively evaluated for impairment			264,729	273,393
Total ending loans balance			265,197	273,867
Consumer Loans [Member] | Loans Acquired with Deteriorated Credit Quality [Member]
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance	0
Ending balance	0
Ending allowance balance attributable to loans [Abstract]
Total ending allowance balance	$ 0		0	0
Loans [Abstract]
Total ending loans balance			$ 0	$ 0