LOANS - ALLOWANCE (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2017	Dec. 31, 2016
Allowance for loan loss reserve:
Balance at beginning of period	$ 5,020	$ 5,004
Charge-offs	(803)	(723)
Recoveries	237	139
Provision	625	600	$ 1,204
Balance at end of period	5,079	5,020	5,004
Loans:
Ending balance				$ 811,078	$ 781,857
Ending balance ALLR	(5,020)	(5,004)	(5,004)	(5,079)	(5,020)
Net loans				805,999	776,837
Ending balance ALLR:
Individually evaluated				334	321
Collectively evaluated				4,745	4,699
Total	5,020	5,004	5,004	5,079	5,020
Ending balance Loans:
Individually evaluated				682	670
Collectively evaluated				807,346	775,100
Acquired with deteriorated credit quality				3,050	6,087
Total Loans				811,078	781,857
Commercial real estate
Allowance for loan loss reserve:
Balance at beginning of period	1,345	1,611
Charge-offs	(155)	(245)
Recoveries	80	54
Provision	380	(75)
Balance at end of period	1,650	1,345	1,611
Loans:
Ending balance				406,742	389,420
Ending balance ALLR	(1,345)	(1,611)	(1,611)	(1,650)	(1,345)
Net loans				405,092	388,075
Ending balance ALLR:
Individually evaluated				168	70
Collectively evaluated				1,482	1,275
Total	1,345	1,611	1,611	1,650	1,345
Ending balance Loans:
Individually evaluated				516	345
Collectively evaluated				404,835	385,841
Acquired with deteriorated credit quality				1,391	3,234
Total Loans				406,742	389,420
Commercial, financial, and agricultural
Allowance for loan loss reserve:
Balance at beginning of period	614	645
Charge-offs	(264)	(232)
Recoveries	39	41
Provision	187	160
Balance at end of period	576	614	645
Loans:
Ending balance				156,951	142,648
Ending balance ALLR	(614)	(645)	(645)	(576)	(614)
Net loans				156,375	142,034
Ending balance ALLR:
Individually evaluated				166	251
Collectively evaluated				410	363
Total	614	645	645	576	614
Ending balance Loans:
Individually evaluated				166	325
Collectively evaluated				156,785	142,323
Total Loans				156,951	142,648
Commercial construction
Allowance for loan loss reserve:
Balance at beginning of period	57	79
Recoveries	2	7
Provision	(5)	(29)
Balance at end of period	54	57	79
Loans:
Ending balance				9,243	11,505
Ending balance ALLR	(57)	(79)	(79)	(54)	(57)
Net loans				9,189	11,448
Ending balance ALLR:
Collectively evaluated				54	57
Total	57	79	79	54	57
Ending balance Loans:
Collectively evaluated				9,243	11,505
Total Loans				9,243	11,505
One to four family residential real estate
Allowance for loan loss reserve:
Balance at beginning of period	296	274
Charge-offs	(155)	(133)
Recoveries	65	5
Provision	(46)	150
Balance at end of period	160	296	274
Loans:
Ending balance				209,890	205,945
Ending balance ALLR	(296)	(274)	(274)	(160)	(296)
Net loans				209,730	205,649
Ending balance ALLR:
Collectively evaluated				160	296
Total	296	274	274	160	296
Ending balance Loans:
Collectively evaluated				208,269	203,153
Acquired with deteriorated credit quality				1,621	2,792
Total Loans				209,890	205,945
Consumer construction
Allowance for loan loss reserve:
Balance at beginning of period	6	7
Provision		(1)
Balance at end of period	6	6	7
Loans:
Ending balance				10,818	12,226
Ending balance ALLR	(6)	(7)	(7)	(6)	(6)
Net loans				10,812	12,220
Ending balance ALLR:
Collectively evaluated				6	6
Total	6	7	7	6	6
Ending balance Loans:
Collectively evaluated				10,801	12,169
Acquired with deteriorated credit quality				17	57
Total Loans				10,818	12,226
Consumer
Allowance for loan loss reserve:
Balance at beginning of period	90	64
Charge-offs	(229)	(113)
Recoveries	51	32
Provision	98	107
Balance at end of period	10	90	64
Loans:
Ending balance				17,434	20,113
Ending balance ALLR	(90)	(64)	(64)	(10)	(90)
Net loans				17,424	20,023
Ending balance ALLR:
Collectively evaluated				10	90
Total	90	64	64	10	90
Ending balance Loans:
Collectively evaluated				17,413	20,109
Acquired with deteriorated credit quality				21	4
Total Loans				17,434	20,113
Unallocated
Allowance for loan loss reserve:
Balance at beginning of period	2,612	2,324
Provision	11	288
Balance at end of period	2,623	2,612	2,324
Loans:
Ending balance ALLR	(2,612)	(2,324)	(2,324)	(2,623)	(2,612)
Net loans				(2,623)	(2,612)
Ending balance ALLR:
Collectively evaluated				2,623	2,612
Total	$ 2,612	$ 2,324	$ 2,324	$ 2,623	$ 2,612