LOANS - ALLOWANCE (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Dec. 31, 2018	Sep. 30, 2018
Allowance for loan loss reserve:
Balance at beginning of period	$ 5,306	$ 5,141	$ 5,183	$ 5,079
Charge-offs	(78)	(31)	(424)	(383)
Recoveries	30	26	199	290
Provision	50	50	350	200
Balance at end of period	5,308	5,186	5,308	5,186
Loans:
Ending balance					$ 1,059,942	$ 1,038,864	$ 993,808
Ending balance ALLR	(5,306)	(5,141)	(5,183)	(5,079)	(5,308)	(5,183)	(5,186)
Net loans					1,054,634	1,033,681	988,622
Ending balance ALLR:
Individually evaluated					1,263		877
Collectively evaluated					4,045		4,309
Total	5,306	5,141	5,183	5,079	5,308	5,183	5,186
Ending balance Loans:
Individually evaluated					6,477		2,360
Collectively evaluated					1,047,672		982,793
Acquired with deteriorated credit quality					5,793		8,655
Total Loans					1,059,942	1,038,864	993,808
Commercial real estate
Allowance for loan loss reserve:
Balance at beginning of period	1,208	1,468	1,682	1,650
Charge-offs	(7)		(27)	(1)
Recoveries	17	11	151	41
Provision	(6)	196	(594)	(15)
Balance at end of period	1,212	1,675	1,212	1,675
Loans:
Ending balance					508,332	496,207	475,978
Ending balance ALLR	(1,208)	(1,468)	(1,682)	(1,650)	(1,212)	(1,682)	(1,675)
Net loans					507,120		474,303
Ending balance ALLR:
Individually evaluated					490		618
Collectively evaluated					722		1,057
Total	1,208	1,468	1,682	1,650	1,212	1,682	1,675
Ending balance Loans:
Individually evaluated					2,474		2,148
Collectively evaluated					503,669		468,132
Acquired with deteriorated credit quality					2,189		5,698
Total Loans					508,332	496,207	475,978
Commercial, financial, and agricultural
Allowance for loan loss reserve:
Balance at beginning of period	861	495	648	576
Charge-offs			(103)	(128)
Recoveries		3	4	162
Provision	326	6	638	(106)
Balance at end of period	1,187	504	1,187	504
Loans:
Ending balance					209,872	191,060	180,661
Ending balance ALLR	(861)	(495)	(648)	(576)	(1,187)	(648)	(504)
Net loans					208,685		180,157
Ending balance ALLR:
Individually evaluated					773		259
Collectively evaluated					414		245
Total	861	495	648	576	1,187	648	504
Ending balance Loans:
Individually evaluated					3,642		212
Collectively evaluated					204,023		179,292
Acquired with deteriorated credit quality					2,207		1,157
Total Loans					209,872	191,060	180,661
Commercial construction
Allowance for loan loss reserve:
Balance at beginning of period	77	53	101	54
Recoveries	1	1	2	2
Provision		51	(25)	49
Balance at end of period	78	105	78	105
Loans:
Ending balance					34,511	29,765	23,812
Ending balance ALLR	(77)	(53)	(101)	(54)	(78)	(101)	(105)
Net loans					34,433		23,707
Ending balance ALLR:
Collectively evaluated					78		105
Total	77	53	101	54	78	101	105
Ending balance Loans:
Individually evaluated					361
Collectively evaluated					33,773		23,443
Acquired with deteriorated credit quality					377		369
Total Loans					34,511	29,765	23,812
One to four family residential real estate
Allowance for loan loss reserve:
Balance at beginning of period	228	280	199	160
Charge-offs	(19)	(6)	(139)	(153)
Recoveries	2	8	13	60
Provision	(29)	(87)	109	128
Balance at end of period	182	195	182	195
Loans:
Ending balance					268,333	286,908	277,508
Ending balance ALLR	(228)	(280)	(199)	(160)	(182)	(199)	(195)
Net loans					268,151		277,313
Ending balance ALLR:
Collectively evaluated					182		195
Total	228	280	199	160	182	199	195
Ending balance Loans:
Collectively evaluated					267,342		276,132
Acquired with deteriorated credit quality					991		1,376
Total Loans					268,333	286,908	277,508
Consumer construction
Allowance for loan loss reserve:
Balance at beginning of period	5	7	6	6
Provision	6		5	1
Balance at end of period	11	7	11	7
Loans:
Ending balance					18,680	14,553	17,502
Ending balance ALLR	(5)	(7)	(6)	(6)	(11)	(6)	(7)
Net loans					18,669		17,495
Ending balance ALLR:
Collectively evaluated					11		7
Total	5	7	6	6	11	6	7
Ending balance Loans:
Collectively evaluated					18,680		17,502
Total Loans					18,680	14,553	17,502
Consumer
Allowance for loan loss reserve:
Balance at beginning of period	10	9	8	10
Charge-offs	(52)	(25)	(155)	(101)
Recoveries	10	3	29	25
Provision	207	21	293	74
Balance at end of period	175	8	175	8
Loans:
Ending balance					20,214	20,371	18,347
Ending balance ALLR	(10)	(9)	(8)	(10)	(175)	(8)	(8)
Net loans					20,039		18,339
Ending balance ALLR:
Collectively evaluated					175		8
Total	10	9	8	10	175	8	8
Ending balance Loans:
Collectively evaluated					20,185		18,292
Acquired with deteriorated credit quality					29		55
Total Loans					20,214	20,371	18,347
Unallocated
Allowance for loan loss reserve:
Balance at beginning of period	2,917	2,829	2,539	2,623
Provision	(454)	(137)	(76)	69
Balance at end of period	2,463	2,692	2,463	2,692
Loans:
Ending balance ALLR	(2,917)	(2,829)	(2,539)	(2,623)	(2,463)	(2,539)	(2,692)
Net loans					(2,463)		(2,692)
Ending balance ALLR:
Collectively evaluated					2,463		2,692
Total	$ 2,917	$ 2,829	$ 2,539	$ 2,623	$ 2,463	$ 2,539	$ 2,692