LOANS - Changes in allowance for loan losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Business Activities Loans - Residential
Beginning balance	$ 2,248	$ 2,147	$ 2,477	$ 2,306
Provision	224	632	370	952
Charge-offs	(155)	(92)	(550)	(573)
Recoveries	8	111	28	113
Ending balance	2,325	2,798	2,325	2,798
Business Activities Loans - Commercial
Beginning balance	1,734	1,339	1,466	1,697
Provision	29	(102)	332	(256)
Charge-offs	(1)	(10)	(37)	(214)
Recoveries			1
Ending balance	1,762	1,227	1,762	1,227
Business Activities Loans - Land
Beginning balance	166	182	188	164
Provision	82	168	106	186
Charge-offs	(42)	72	(88)	(72)
Recoveries
Ending balance	206	278	206	278
Business Activities Loans - Real estate
Beginning balance	4,148	3,668	4,131	4,167
Provision	335	698	808	882
Charge-offs	(198)	(174)	(675)	(859)
Recoveries	8	111	29	113
Ending balance	4,293	4,303	4,293	4,303
Business Activities Loans - Commercial and industrial
Beginning balance	851	691	683	583
Provision	(16)	(197)	167	(484)
Charge-offs	(2)		(32)	(56)
Recoveries	25	4	40	455
Ending balance	858	498	858	498
Business Activities Loans - Municipal
Beginning balance	56	64	61	61
Provision	(3)	(16)	(8)	(13)
Charge-offs
Recoveries
Ending balance	53	48	53	48
Business Activities Loans - Consumer
Beginning balance	89	123	124	117
Provision	17	1	1	30
Charge-offs	(17)	(17)	(46)	(47)
Recoveries	5	6	15	13
Ending balance	94	113	94	113
Business Activities Loans - Unallocated
Beginning balance	334	369	482	409
Provision	(19)	55	(167)	15
Charge-offs
Recoveries
Ending balance	315	424	315	424
Business Activities Loans - Totals
Beginning balance	5,478	4,915	5,481	5,337
Provision	314	541	801	430
Charge-offs	(217)	(191)	(753)	(962)
Recoveries	38	121	84	581
Ending balance	5,613	5,386	5,613	5,386
Acquired Loans - Residential
Beginning balance	69	15	79
Provision	5	55	(5)	70
Charge-offs
Recoveries
Ending balance	74	70	74	70
Acquired Loans - Commercial
Beginning balance	134	77	132	7
Provision	37	81	133	151
Charge-offs			(98)
Recoveries		5	4	5
Ending balance	171	163	171	163
Acquired Activities Loans - Land
Beginning balance
Provision
Charge-offs
Recoveries
Ending balance
Acquired Loans - Real estate
Beginning balance	203	92	211	7
Provision	42	136	128	221
Charge-offs			(98)
Recoveries		5	4	5
Ending balance	245	223	245	223
Acquired Loans - Commercial and industrial
Beginning balance	37	52	24	14
Provision	(11)	(22)	403
Charge-offs			(416)
Recoveries	8	10	23	26
Ending balance	34	40	34	40
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	240	144	235	21
Provision	31	114	531	221
Charge-offs			(514)
Recoveries	9	15	27	31
Ending balance	$ 279	$ 273	$ 279	$ 273