LOANS - ALLOWANCE (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018
Allowance for loan loss reserve:
Balance at beginning of period	$ 5,154	$ 5,101	$ 5,183	$ 5,079
Charge-offs	(185)	(299)	(346)	(352)
Recoveries	137	239	169	264
Provision	200	100	300	150
Balance at end of period	5,306	5,141	5,306	5,141
Loans:
Ending balance					$ 1,060,703	$ 1,038,864	$ 1,003,377
Ending balance ALLR	(5,154)	(5,101)	(5,183)	(5,079)	(5,306)	(5,183)	(5,141)
Net loans					1,055,397	1,033,681	998,236
Ending balance ALLR:
Individually evaluated					1,016		764
Collectively evaluated					4,290		4,377
Total	5,154	5,101	5,183	5,079	5,306	5,183	5,141
Ending balance Loans:
Individually evaluated					3,211		4,143
Collectively evaluated					1,051,180		986,842
Acquired with deteriorated credit quality					6,312		12,392
Total Loans					1,060,703	1,038,864	1,003,377
Commercial real estate
Allowance for loan loss reserve:
Balance at beginning of period	1,565	1,127	1,682	1,650
Charge-offs		(1)	(20)	(1)
Recoveries	122	23	134	30
Provision	(479)	319	(588)	(211)
Balance at end of period	1,208	1,468	1,208	1,468
Loans:
Ending balance					509,885	496,207	478,798
Ending balance ALLR	(1,565)	(1,127)	(1,682)	(1,650)	(1,208)	(1,682)	(1,468)
Net loans					508,677		477,330
Ending balance ALLR:
Individually evaluated					457		500
Collectively evaluated					751		968
Total	1,565	1,127	1,682	1,650	1,208	1,682	1,468
Ending balance Loans:
Individually evaluated					2,077		2,447
Collectively evaluated					505,501		467,159
Acquired with deteriorated credit quality					2,307		9,192
Total Loans					509,885	496,207	478,798
Commercial, financial, and agricultural
Allowance for loan loss reserve:
Balance at beginning of period	1,005	547	648	576
Charge-offs	(84)	(128)	(103)	(128)
Recoveries		156	4	159
Provision	(60)	(80)	312	(112)
Balance at end of period	861	495	861	495
Loans:
Ending balance					208,488	191,060	185,032
Ending balance ALLR	(1,005)	(547)	(648)	(576)	(861)	(648)	(495)
Net loans					207,627		184,537
Ending balance ALLR:
Individually evaluated					559		264
Collectively evaluated					302		231
Total	1,005	547	648	576	861	648	495
Ending balance Loans:
Individually evaluated					1,134		1,324
Collectively evaluated					204,804		183,535
Acquired with deteriorated credit quality					2,550		173
Total Loans					208,488	191,060	185,032
Commercial construction
Allowance for loan loss reserve:
Balance at beginning of period	100	54	101	54
Recoveries	1		1	1
Provision	(24)	(1)	(25)	(2)
Balance at end of period	77	53	77	53
Loans:
Ending balance					36,803	29,765	20,895
Ending balance ALLR	(100)	(54)	(101)	(54)	(77)	(101)	(53)
Net loans					36,726		20,842
Ending balance ALLR:
Collectively evaluated					77		53
Total	100	54	101	54	77	101	53
Ending balance Loans:
Individually evaluated							372
Collectively evaluated					36,418		20,523
Acquired with deteriorated credit quality					385
Total Loans					36,803	29,765	20,895
One to four family residential real estate
Allowance for loan loss reserve:
Balance at beginning of period	201	173	199	160
Charge-offs	(57)	(100)	(120)	(147)
Recoveries	6	50	11	52
Provision	78	157	138	215
Balance at end of period	228	280	228	280
Loans:
Ending balance					273,813	286,908	284,041
Ending balance ALLR	(201)	(173)	(199)	(160)	(228)	(199)	(280)
Net loans					273,585		283,761
Ending balance ALLR:
Collectively evaluated					228		280
Total	201	173	199	160	228	199	280
Ending balance Loans:
Collectively evaluated					272,773		281,144
Acquired with deteriorated credit quality					1,040		2,897
Total Loans					273,813	286,908	284,041
Consumer construction
Allowance for loan loss reserve:
Balance at beginning of period	6	6	6	6
Provision	(1)	1	(1)	1
Balance at end of period	5	7	5	7
Loans:
Ending balance					11,051	14,553	15,409
Ending balance ALLR	(6)	(6)	(6)	(6)	(5)	(6)	(7)
Net loans					11,046		15,402
Ending balance ALLR:
Collectively evaluated					5		7
Total	6	6	6	6	5	6	7
Ending balance Loans:
Collectively evaluated					11,051		15,364
Acquired with deteriorated credit quality							45
Total Loans					11,051	14,553	15,409
Consumer
Allowance for loan loss reserve:
Balance at beginning of period	9	9	8	10
Charge-offs	(44)	(70)	(103)	(76)
Recoveries	8	10	19	22
Provision	37	60	86	53
Balance at end of period	10	9	10	9
Loans:
Ending balance					20,663	20,371	19,202
Ending balance ALLR	(9)	(9)	(8)	(10)	(10)	(8)	(9)
Net loans					20,653		19,193
Ending balance ALLR:
Collectively evaluated					10		9
Total	9	9	8	10	10	8	9
Ending balance Loans:
Collectively evaluated					20,633		19,117
Acquired with deteriorated credit quality					30		85
Total Loans					20,663	20,371	19,202
Unallocated
Allowance for loan loss reserve:
Balance at beginning of period	2,268	3,185	2,539	2,623
Provision	649	(356)	378	206
Balance at end of period	2,917	2,829	2,917	2,829
Loans:
Ending balance ALLR	(2,268)	(3,185)	(2,539)	(2,623)	(2,917)	(2,539)	(2,829)
Net loans					(2,917)		(2,829)
Ending balance ALLR:
Collectively evaluated					2,917		2,829
Total	$ 2,268	$ 3,185	$ 2,539	$ 2,623	$ 2,917	$ 2,539	$ 2,829