LOANS - ALLOWANCE (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Allowance for loan loss reserve:
Balance at beginning of period	$ 5,183	$ 5,079
Charge-offs	(161)	(53)
Recoveries	32	25
Provision	100	50
Balance at end of period	5,154	5,101
Loans:
Ending balance			$ 1,045,428	$ 1,038,864	$ 812,441
Ending balance ALLR	(5,183)	(5,079)	(5,154)	(5,183)	(5,101)
Net loans			1,040,274	1,033,681	807,340
Ending balance ALLR:
Individually evaluated			1,115		672
Collectively evaluated			4,039		4,429
Total	5,183	5,079	5,154	5,183	5,101
Ending balance Loans:
Individually evaluated			3,383		3,247
Collectively evaluated			1,036,085		805,952
Acquired with deteriorated credit quality			5,960		3,242
Total Loans			1,045,428	1,038,864	812,441
Commercial real estate
Allowance for loan loss reserve:
Balance at beginning of period	1,682	1,650
Charge-offs	(20)
Recoveries	12	7
Provision	(109)	676
Balance at end of period	1,565	2,333
Loans:
Ending balance			498,471	496,207	411,526
Ending balance ALLR	(1,682)	(1,650)	(1,565)	(1,682)	(2,333)
Net loans			496,906		409,193
Ending balance ALLR:
Individually evaluated			467		362
Collectively evaluated			1,098		1,971
Total	1,682	1,650	1,565	1,682	2,333
Ending balance Loans:
Individually evaluated			2,138		1,568
Collectively evaluated			493,570		408,273
Acquired with deteriorated credit quality			2,763		1,685
Total Loans			498,471	496,207	411,526
Commercial, financial, and agricultural
Allowance for loan loss reserve:
Balance at beginning of period	648	576
Charge-offs	(19)
Recoveries	4	3
Provision	372	965
Balance at end of period	1,005	1,544
Loans:
Ending balance			201,089	191,060	160,188
Ending balance ALLR	(648)	(576)	(1,005)	(648)	(1,544)
Net loans			200,084		158,644
Ending balance ALLR:
Individually evaluated			648		310
Collectively evaluated			357		1,234
Total	648	576	1,005	648	1,544
Ending balance Loans:
Individually evaluated			1,245		1,307
Collectively evaluated			198,425		158,881
Acquired with deteriorated credit quality			1,419
Total Loans			201,089	191,060	160,188
Commercial construction
Allowance for loan loss reserve:
Balance at beginning of period	101	54
Recoveries		1
Provision	(1)	371
Balance at end of period	100	426
Loans:
Ending balance			33,118	29,765	8,004
Ending balance ALLR	(101)	(54)	(100)	(101)	(426)
Net loans			33,018		7,578
Ending balance ALLR:
Collectively evaluated			100		426
Total	101	54	100	101	426
Ending balance Loans:
Individually evaluated					372
Collectively evaluated			32,753		7,632
Acquired with deteriorated credit quality			365
Total Loans			33,118	29,765	8,004
One to four family residential real estate
Allowance for loan loss reserve:
Balance at beginning of period	199	160
Charge-offs	(63)	(47)
Recoveries	5	2
Provision	60	58
Balance at end of period	201	173
Loans:
Ending balance			281,104	286,908	204,542
Ending balance ALLR	(199)	(160)	(201)	(199)	(173)
Net loans			280,903		204,369
Ending balance ALLR:
Collectively evaluated			201		173
Total	199	160	201	199	173
Ending balance Loans:
Collectively evaluated			279,943		203,032
Acquired with deteriorated credit quality			1,161		1,510
Total Loans			281,104	286,908	204,542
Consumer construction
Allowance for loan loss reserve:
Balance at beginning of period	6	6
Balance at end of period	6	6
Loans:
Ending balance			12,022	14,553	11,262
Ending balance ALLR	(6)	(6)	(6)	(6)	(6)
Net loans			12,016		11,256
Ending balance ALLR:
Collectively evaluated			6		6
Total	6	6	6	6	6
Ending balance Loans:
Collectively evaluated			11,809		11,215
Acquired with deteriorated credit quality			213		47
Total Loans			12,022	14,553	11,262
Consumer
Allowance for loan loss reserve:
Balance at beginning of period	8	10
Charge-offs	(59)	(6)
Recoveries	11	12
Provision	49	(7)
Balance at end of period	9	9
Loans:
Ending balance			19,624	20,371	16,919
Ending balance ALLR	(8)	(10)	(9)	(8)	(9)
Net loans			19,615		16,910
Ending balance ALLR:
Collectively evaluated			9		9
Total	8	10	9	8	9
Ending balance Loans:
Collectively evaluated			19,585		16,919
Acquired with deteriorated credit quality			39
Total Loans			19,624	20,371	16,919
Unallocated
Allowance for loan loss reserve:
Balance at beginning of period	2,539	2,623
Provision	(271)	(2,013)
Balance at end of period	2,268	610
Loans:
Ending balance ALLR	(2,539)	(2,623)	(2,268)	(2,539)	(610)
Net loans			(2,268)		(610)
Ending balance ALLR:
Collectively evaluated			2,268		610
Total	$ 2,539	$ 2,623	$ 2,268	$ 2,539	$ 610