LOANS, Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Allowance for credit losses [Roll Forward]
Beginning balance	$ 11,499	$ 9,607	$ 10,899	$ 9,251	$ 9,251
Provision for loan losses	0	450	600	900	1,800
Charge-offs	(5)	(145)	(16)	(280)	(539)
Recoveries	226	118	237	159	387
Net (charge-offs) recoveries	221	(27)	221	(121)	(152)
Ending balance	11,720	10,030	11,720	10,030	10,899
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment	1,558	819	1,558	819	1,644
Loans collectively evaluated for impairment	10,162	9,211	10,162	9,211	9,255
Ending balance	11,720	10,030	11,720	10,030	10,899
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	8,920	6,433	8,920	6,433	10,959
Loans collectively evaluated for impairment	676,844	636,256	676,844	636,256	668,604
Ending balance	685,764	642,689	685,764	642,689	679,563
Commercial [Member]
Allowance for credit losses [Roll Forward]
Beginning balance	3,808	2,980	3,571	3,097	3,097
Provision for loan losses	(869)	315	(634)	280	883
Charge-offs	0	(130)	0	(230)	(446)
Recoveries	121	10	123	28	37
Net (charge-offs) recoveries	121	(120)	123	(202)	(409)
Ending balance	3,060	3,175	3,060	3,175	3,571
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment	827	36	827	36	898
Loans collectively evaluated for impairment	2,233	3,139	2,233	3,139	2,673
Ending balance	3,060	3,175	3,060	3,175	3,571
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	3,541	818	3,541	818	5,578
Loans collectively evaluated for impairment	119,262	131,529	119,262	131,529	120,733
Ending balance	122,803	132,347	122,803	132,347	126,311
Commercial Real Estate [Member]
Allowance for credit losses [Roll Forward]
Beginning balance	4,723	3,636	3,910	3,343	3,343
Provision for loan losses	160	(52)	973	256	582
Charge-offs	0	0	0	(15)	(15)
Recoveries	0	0	0	0	0
Net (charge-offs) recoveries	0	0	0	(15)	(15)
Ending balance	4,883	3,584	4,883	3,584	3,910
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment	48	40	48	40	39
Loans collectively evaluated for impairment	4,835	3,544	4,835	3,544	3,871
Ending balance	4,883	3,584	4,883	3,584	3,910
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	1,533	869	1,533	869	823
Loans collectively evaluated for impairment	353,527	312,664	353,527	312,664	343,387
Ending balance	355,060	313,533	355,060	313,533	344,210
Agriculture [Member]
Allowance for credit losses [Roll Forward]
Beginning balance	1,287	965	1,262	1,060	1,060
Provision for loan losses	88	104	113	9	121
Charge-offs	0	0	0	0	0
Recoveries	0	81	0	81	81
Net (charge-offs) recoveries	0	81	0	81	81
Ending balance	1,375	1,150	1,375	1,150	1,262
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment	0	0	0	0	0
Loans collectively evaluated for impairment	1,375	1,150	1,375	1,150	1,262
Ending balance	1,375	1,150	1,375	1,150	1,262
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	0	0	0	0	0
Loans collectively evaluated for impairment	101,340	92,766	101,340	92,766	101,905
Ending balance	101,340	92,766	101,340	92,766	101,905
Residential Mortgage [Member]
Allowance for credit losses [Roll Forward]
Beginning balance	701	702	660	739	739
Provision for loan losses	(114)	(12)	(73)	(50)	(67)
Charge-offs	0	0	0	0	(13)
Recoveries	90	0	90	1	1
Net (charge-offs) recoveries	90	0	90	1	(12)
Ending balance	677	690	677	690	660
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment	571	598	571	598	584
Loans collectively evaluated for impairment	106	92	106	92	76
Ending balance	677	690	677	690	660
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	2,450	2,986	2,450	2,986	3,034
Loans collectively evaluated for impairment	38,897	40,684	38,897	40,684	37,203
Ending balance	41,347	43,670	41,347	43,670	40,237
Residential Construction [Member]
Allowance for credit losses [Roll Forward]
Beginning balance	454	401	440	334	334
Provision for loan losses	22	(12)	35	54	101
Charge-offs	0	0	0	0	0
Recoveries	1	1	2	2	5
Net (charge-offs) recoveries	1	1	2	2	5
Ending balance	477	390	477	390	440
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment	87	109	87	109	98
Loans collectively evaluated for impairment	390	281	390	281	342
Ending balance	477	390	477	390	440
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	805	987	805	987	820
Loans collectively evaluated for impairment	23,997	16,567	23,997	16,567	22,830
Ending balance	24,802	17,554	24,802	17,554	23,650
Consumer [Member]
Allowance for credit losses [Roll Forward]
Beginning balance	381	589	498	641	641
Provision for loan losses	(12)	(45)	(126)	(98)	(341)
Charge-offs	(5)	(15)	(16)	(35)	(65)
Recoveries	14	26	22	47	263
Net (charge-offs) recoveries	9	11	6	12	198
Ending balance	378	555	378	555	498
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment	25	36	25	36	25
Loans collectively evaluated for impairment	353	519	353	519	473
Ending balance	378	555	378	555	498
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	591	773	591	773	704
Loans collectively evaluated for impairment	39,821	42,046	39,821	42,046	42,546
Ending balance	40,412	42,819	40,412	42,819	43,250
Unallocated [Member]
Allowance for credit losses [Roll Forward]
Beginning balance	145	334	558	37	37
Provision for loan losses	725	152	312	449	521
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Net (charge-offs) recoveries	0	0	0	0	0
Ending balance	870	486	870	486	558
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment	0	0	0	0	0
Loans collectively evaluated for impairment	870	486	870	486	558
Ending balance	$ 870	$ 486	$ 870	$ 486	$ 558