LOANS AND ALLOWANCE FOR LOAN LOSSES - IMPAIRED LOANS (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Unpaid Principal Balance [Abstract]
Unpaid Principal Balance, Total	$ 14,264		$ 15,014
Recorded Investment [Abstract]
Recorded Investment, Total	14,234		14,980
Allowance for Loan Losses Allocated	1,749		1,566
Average Recorded Investment [Abstract]
Average Recorded Investment, Total	14,607	$ 16,212
Interest Income, Accrual Method [Abstract]
Interest Income, Accrual Method, Total	87	136
Commercial and Agricultural [Member] | Commercial and Industrial [Member]
Unpaid Principal Balance [Abstract]
With no related allowance, Unpaid Principal Balance	1,039		1,487
With related allowance, Unpaid Principal Balance	9		9
Recorded Investment [Abstract]
With no related allowance, Recorded Investment	1,042		1,489
With related allowance, Recorded Investment	9		9
Allowance for Loan Losses Allocated	9		8
Average Recorded Investment [Abstract]
With no related allowance, Average Recorded Investment	1,266	1,517
With related allowance, Average Recorded Investment	9	196
Interest Income, Accrual Method [Abstract]
With no related allowance, Interest Income, Accrual Method	13	15
With related allowance, Interest Income, Accrual Method	0	3
Commercial Mortgages [Member] | Construction [Member]
Unpaid Principal Balance [Abstract]
With no related allowance, Unpaid Principal Balance	343		349
Recorded Investment [Abstract]
With no related allowance, Recorded Investment	345		350
Average Recorded Investment [Abstract]
With no related allowance, Average Recorded Investment	348	1,904
Interest Income, Accrual Method [Abstract]
With no related allowance, Interest Income, Accrual Method	4	25
Commercial Mortgages [Member] | Commercial Mortgages other [Member]
Unpaid Principal Balance [Abstract]
With no related allowance, Unpaid Principal Balance	7,185		7,551
With related allowance, Unpaid Principal Balance	4,910		4,913
Recorded Investment [Abstract]
With no related allowance, Recorded Investment	7,215		7,577
With related allowance, Recorded Investment	4,844		4,846
Allowance for Loan Losses Allocated	1,577		1,481
Average Recorded Investment [Abstract]
With no related allowance, Average Recorded Investment	7,395	7,674
With related allowance, Average Recorded Investment	4,845	4,184
Interest Income, Accrual Method [Abstract]
With no related allowance, Interest Income, Accrual Method	68	63
With related allowance, Interest Income, Accrual Method	1	23
Residential Mortgages [Member]
Unpaid Principal Balance [Abstract]
With no related allowance, Unpaid Principal Balance	311		234
Recorded Investment [Abstract]
With no related allowance, Recorded Investment	311		235
Average Recorded Investment [Abstract]
With no related allowance, Average Recorded Investment	273	252
Interest Income, Accrual Method [Abstract]
With no related allowance, Interest Income, Accrual Method	0	1
Consumer Loans [Member] | Home Equity Lines and Loans [Member]
Unpaid Principal Balance [Abstract]
With no related allowance, Unpaid Principal Balance	104		107
With related allowance, Unpaid Principal Balance	363		364
Recorded Investment [Abstract]
With no related allowance, Recorded Investment	105		108
With related allowance, Recorded Investment	363		366
Allowance for Loan Losses Allocated	163		$ 77
Average Recorded Investment [Abstract]
With no related allowance, Average Recorded Investment	107	458
With related allowance, Average Recorded Investment	364	27
Interest Income, Accrual Method [Abstract]
With no related allowance, Interest Income, Accrual Method	1	6
With related allowance, Interest Income, Accrual Method	$ 0	$ 0