LOANS - LOANS BY RISK CATEGORY (Details) $ in Thousands	Dec. 31, 2018 USD ($) item	Dec. 31, 2017 USD ($)
Breakdown of loans by risk category
Total loans	$ 1,038,864	$ 811,078
Minimum
Breakdown of loans by risk category
Credit risk rating for which reserves are established if no specific reserves made | item	6
Maximum
Breakdown of loans by risk category
Credit risk rating for which general reserves are established | item	44
Credit risk rating for which reserves are established if no specific reserves made | item	7
Commercial real estate
Breakdown of loans by risk category
Total loans	$ 496,207	406,742
Commercial, financial, and agricultural
Breakdown of loans by risk category
Total loans	191,060	156,951
Commercial construction
Breakdown of loans by risk category
Total loans	29,765	9,243
One to four family residential real estate
Breakdown of loans by risk category
Total loans	286,908	209,890
Consumer construction
Breakdown of loans by risk category
Total loans	14,553	10,818
Consumer
Breakdown of loans by risk category
Total loans	20,371	17,434
Strong (1)
Breakdown of loans by risk category
Total loans	18,464	14,303
Strong (1) | Commercial real estate
Breakdown of loans by risk category
Total loans	9,564	2,775
Strong (1) | Commercial, financial, and agricultural
Breakdown of loans by risk category
Total loans	8,077	11,528
Strong (1) | Commercial construction
Breakdown of loans by risk category
Total loans	734
Strong (1) | One to four family residential real estate
Breakdown of loans by risk category
Total loans	70
Strong (1) | Consumer
Breakdown of loans by risk category
Total loans	19
Good (2)
Breakdown of loans by risk category
Total loans	34,758	34,594
Good (2) | Commercial real estate
Breakdown of loans by risk category
Total loans	22,265	23,929
Good (2) | Commercial, financial, and agricultural
Breakdown of loans by risk category
Total loans	8,678	8,980
Good (2) | Commercial construction
Breakdown of loans by risk category
Total loans	706	308
Good (2) | One to four family residential real estate
Breakdown of loans by risk category
Total loans	2,873	1,377
Good (2) | Consumer
Breakdown of loans by risk category
Total loans	236
Average (3)
Breakdown of loans by risk category
Total loans	276,774	218,157
Average (3) | Commercial real estate
Breakdown of loans by risk category
Total loans	189,898	159,385
Average (3) | Commercial, financial, and agricultural
Breakdown of loans by risk category
Total loans	72,466	53,448
Average (3) | Commercial construction
Breakdown of loans by risk category
Total loans	6,844	2,749
Average (3) | One to four family residential real estate
Breakdown of loans by risk category
Total loans	6,941	2,575
Average (3) | Consumer
Breakdown of loans by risk category
Total loans	625
Acceptable
Breakdown of loans by risk category
Total loans	384,379	292,672
Acceptable | Commercial real estate
Breakdown of loans by risk category
Total loans	257,627	207,921
Acceptable | Commercial, financial, and agricultural
Breakdown of loans by risk category
Total loans	97,441	77,964
Acceptable | Commercial construction
Breakdown of loans by risk category
Total loans	12,244	1,310
Acceptable | One to four family residential real estate
Breakdown of loans by risk category
Total loans	15,711	5,449
Acceptable | Consumer construction
Breakdown of loans by risk category
Total loans	200
Acceptable | Consumer
Breakdown of loans by risk category
Total loans	1,156	28
Acceptable Watch
Breakdown of loans by risk category
Total loans	11,278	14,223
Acceptable Watch | Commercial real estate
Breakdown of loans by risk category
Total loans	5,993	8,700
Acceptable Watch | Commercial, financial, and agricultural
Breakdown of loans by risk category
Total loans	2,269	3,658
Acceptable Watch | Commercial construction
Breakdown of loans by risk category
Total loans	829	648
Acceptable Watch | One to four family residential real estate
Breakdown of loans by risk category
Total loans	2,095	1,212
Acceptable Watch | Consumer construction
Breakdown of loans by risk category
Total loans	50
Acceptable Watch | Consumer
Breakdown of loans by risk category
Total loans	42	5
Substandard (6)
Breakdown of loans by risk category
Total loans	18,657	9,404
Substandard (6) | Commercial real estate
Breakdown of loans by risk category
Total loans	10,860	4,032
Substandard (6) | Commercial, financial, and agricultural
Breakdown of loans by risk category
Total loans	2,129	1,373
Substandard (6) | Commercial construction
Breakdown of loans by risk category
Total loans	823	374
Substandard (6) | One to four family residential real estate
Breakdown of loans by risk category
Total loans	4,757	3,515
Substandard (6) | Consumer construction
Breakdown of loans by risk category
Total loans	11	14
Substandard (6) | Consumer
Breakdown of loans by risk category
Total loans	77	96
Rating Unassigned
Breakdown of loans by risk category
Total loans	294,554	227,725
Rating Unassigned | Commercial construction
Breakdown of loans by risk category
Total loans	7,585	3,854
Rating Unassigned | One to four family residential real estate
Breakdown of loans by risk category
Total loans	254,461	195,762
Rating Unassigned | Consumer construction
Breakdown of loans by risk category
Total loans	14,292	10,804
Rating Unassigned | Consumer
Breakdown of loans by risk category
Total loans	$ 18,216	$ 17,305