LOANS AND ALLOWANCE FOR LOAN LOSSES - Allowances (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Dec. 31, 2015
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance	$ 14,527	$ 13,892	$ 14,260	$ 13,686
Charge-offs	(339)	(283)	(790)	(673)
Recoveries	92	160	215	366
Net recoveries (charge-offs)	(247)	(123)	(575)	(307)
Provision	388	259	983	649
Ending balance	14,668	14,028	14,668	14,028
Ending allowance balance attributable to loans [Abstract]
Individually evaluated for impairment					$ 1,650	$ 1,566
Collectively evaluated for impairment					12,934	12,595
Total ending allowance balance	14,527	13,892	14,260	13,686	14,668	14,260
Loans [Abstract]
Loans individually evaluated for impairment					13,630	14,980
Loans collectively evaluated for impairment					1,188,615	1,154,428
Total ending loans balance					1,204,120	1,171,503
Loans Acquired with Deteriorated Credit Quality [Member]
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance			99
Ending balance	84		84
Ending allowance balance attributable to loans [Abstract]
Total ending allowance balance	84		99		84	99
Loans [Abstract]
Total ending loans balance					1,875	2,095
Commercial and Agricultural [Member]
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance	1,795	1,671	1,831	1,460
Charge-offs	(9)	0	(17)	0
Recoveries	18	23	50	38
Net recoveries (charge-offs)	9	23	33	38
Provision	(33)	131	(93)	327
Ending balance	1,771	1,825	1,771	1,825
Ending allowance balance attributable to loans [Abstract]
Individually evaluated for impairment					0	8
Collectively evaluated for impairment					1,771	1,823
Total ending allowance balance	1,795	1,671	1,831	1,460	1,771	1,831
Loans [Abstract]
Loans individually evaluated for impairment					1,054	1,498
Loans collectively evaluated for impairment					190,477	192,202
Total ending loans balance					191,531	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		0
Ending allowance balance attributable to loans [Abstract]
Total ending allowance balance	0		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	7,532	6,530	7,112	6,326
Charge-offs	0	(28)	0	(28)
Recoveries	2	17	9	84
Net recoveries (charge-offs)	2	(11)	9	56
Provision	220	106	633	243
Ending balance	7,754	6,625	7,754	6,625
Ending allowance balance attributable to loans [Abstract]
Individually evaluated for impairment					1,528	1,481
Collectively evaluated for impairment					6,167	5,572
Total ending allowance balance	7,532	6,530	7,112	6,326	7,754	7,112
Loans [Abstract]
Loans individually evaluated for impairment					11,626	12,773
Loans collectively evaluated for impairment					539,746	493,102
Total ending loans balance					553,154	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		59
Ending allowance balance attributable to loans [Abstract]
Total ending allowance balance	59		59		59	59
Loans [Abstract]
Total ending loans balance					1,782	1,825
Residential Mortgages [Member]
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance	1,482	1,594	1,464	1,572
Charge-offs	(58)	(10)	(58)	(32)
Recoveries	0	0	0	0
Net recoveries (charge-offs)	(58)	(10)	(58)	(32)
Provision	80	(39)	98	5
Ending balance	1,504	1,545	1,504	1,545
Ending allowance balance attributable to loans [Abstract]
Individually evaluated for impairment					0	0
Collectively evaluated for impairment					1,479	1,424
Total ending allowance balance	1,482	1,594	1,464	1,572	1,504	1,464
Loans [Abstract]
Loans individually evaluated for impairment					486	235
Loans collectively evaluated for impairment					196,120	195,731
Total ending loans balance					196,699	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	25		25
Ending allowance balance attributable to loans [Abstract]
Total ending allowance balance	25		40		25	40
Loans [Abstract]
Total ending loans balance					93	270
Consumer Loans [Member]
Allowance for loan losses, by portfolio segment [Roll Forward]
Beginning balance	3,718	4,097	3,853	4,328
Charge-offs	(272)	(245)	(715)	(613)
Recoveries	72	120	156	244
Net recoveries (charge-offs)	(200)	(125)	(559)	(369)
Provision	121	61	345	74
Ending balance	3,639	4,033	3,639	4,033
Ending allowance balance attributable to loans [Abstract]
Individually evaluated for impairment					122	77
Collectively evaluated for impairment					3,517	3,776
Total ending allowance balance	3,718	$ 4,097	3,853	$ 4,328	3,639	3,853
Loans [Abstract]
Loans individually evaluated for impairment					464	474
Loans collectively evaluated for impairment					262,272	273,393
Total ending loans balance					262,736	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		0
Ending allowance balance attributable to loans [Abstract]
Total ending allowance balance	$ 0		$ 0		0	0
Loans [Abstract]
Total ending loans balance					$ 0	$ 0