LOANS - Changes in allowance for loan losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Business Activities Loans - Residential
Beginning balance	$ 2,458	$ 2,386	$ 2,477	$ 2,306
Provision	59	(52)	146	320
Charge-offs	(287)	(188)	(394)	(481)
Recoveries	18	1	19	2
Ending balance	2,248	2,147	2,248	2,147
Business Activities Loans - Commercial
Beginning balance	1,585	1,355	1,466	1,697
Provision	149	166	302	(154)
Charge-offs		(132)	(35)	(204)
Recoveries			1
Ending balance	1,734	1,339	1,734	1,339
Business Activities Loans - Land
Beginning balance	164	176	188	164
Provision	25	6	24	18
Charge-offs	(23)		(46)
Recoveries
Ending balance	166	182	166	182
Business Activities Loans - Real estate
Beginning balance	4,207	3,917	4,131	4,167
Provision	233	70	472	184
Charge-offs	(310)	(320)	(475)	(685)
Recoveries	18	1	20	2
Ending balance	4,148	3,668	4,148	3,668
Business Activities Loans - Commercial and industrial
Beginning balance	781	637	683	583
Provision	60	52	185	(288)
Charge-offs			(32)	(56)
Recoveries	10	2	15	452
Ending balance	851	691	851	691
Business Activities Loans - Municipal
Beginning balance	59	61	61	61
Provision	(3)	3	(5)	3
Charge-offs
Recoveries
Ending balance	56	64	56	64
Business Activities Loans - Consumer
Beginning balance	114	120	124	117
Provision	(26)	15	(15)	31
Charge-offs	(7)	(16)	(30)	(31)
Recoveries	8	4	10	6
Ending balance	89	123	89	123
Business Activities Loans - Unallocated
Beginning balance	412	384	482	409
Provision	(78)	(15)	(148)	(40)
Charge-offs
Recoveries
Ending balance	334	369	334	369
Business Activities Loans - Total
Beginning balance	5,573	5,119	5,481	5,337
Provision	186	125	489	(110)
Charge-offs	(317)	(336)	(537)	(772)
Recoveries	36	7	45	460
Ending balance	5,478	4,915	5,478	4,915
Acquired Loans - Residential
Beginning balance	69		79
Provision		15	(10)	15
Charge-offs
Recoveries
Ending balance	69	15	69	15
Acquired Loans - Commercial
Beginning balance	94	18	132	7
Provision	40	59	96	70
Charge-offs	(1)		(98)
Recoveries	1		4
Ending balance	134	77	134	77
Acquired Activities Loans - Land
Beginning balance
Provision
Charge-offs
Recoveries
Ending balance
Acquired Loans - Real estate
Beginning balance	163	18	211	7
Provision	40	74	86	85
Charge-offs	(1)		(98)
Recoveries	1		4
Ending balance	203	92	203	92
Acquired Loans - Commercial and industrial
Beginning balance	141	45	24	14
Provision	299	(3)	413	21
Charge-offs	(414)		(415)
Recoveries	11	10	15	17
Ending balance	37	52	37	52
Acquired Loans - Municipal
Beginning balance
Provision
Charge-offs
Recoveries
Ending balance
Acquired Loans - Consumer
Beginning balance
Provision
Charge-offs
Recoveries
Ending balance
Acquired Loans - Unallocated
Beginning balance
Provision
Charge-offs
Recoveries
Ending balance
Acquired Loans - Total
Beginning balance	304	63	235	21
Provision	339	71	499	106
Charge-offs	(415)		(513)
Recoveries	12	10	19	17
Ending balance	$ 240	$ 144	$ 240	$ 144