LOANS - LOANS BY RISK CATEGORY (Details) $ in Thousands	Dec. 31, 2017 USD ($) item	Dec. 31, 2016 USD ($)
Breakdown of loans by risk category
Total loans	$ 811,078	$ 781,857
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	$ 406,742	389,420
Commercial, financial, and agricultural
Breakdown of loans by risk category
Total loans	156,951	142,648
Commercial construction
Breakdown of loans by risk category
Total loans	9,243	11,505
One to four family residential real estate
Breakdown of loans by risk category
Total loans	209,890	205,945
Consumer construction
Breakdown of loans by risk category
Total loans	10,818	12,226
Consumer
Breakdown of loans by risk category
Total loans	17,434	20,113
Strong (1)
Breakdown of loans by risk category
Total loans	14,303	14,230
Strong (1) | Commercial real estate
Breakdown of loans by risk category
Total loans	2,775	3,021
Strong (1) | Commercial, financial, and agricultural
Breakdown of loans by risk category
Total loans	11,528	10,421
Strong (1) | One to four family residential real estate
Breakdown of loans by risk category
Total loans		740
Strong (1) | Consumer construction
Breakdown of loans by risk category
Total loans		28
Strong (1) | Consumer
Breakdown of loans by risk category
Total loans		20
Good (2)
Breakdown of loans by risk category
Total loans	34,594	39,647
Good (2) | Commercial real estate
Breakdown of loans by risk category
Total loans	23,929	23,940
Good (2) | Commercial, financial, and agricultural
Breakdown of loans by risk category
Total loans	8,980	13,434
Good (2) | Commercial construction
Breakdown of loans by risk category
Total loans	308	900
Good (2) | One to four family residential real estate
Breakdown of loans by risk category
Total loans	1,377	1,373
Average (3)
Breakdown of loans by risk category
Total loans	218,157	196,625
Average (3) | Commercial real estate
Breakdown of loans by risk category
Total loans	159,385	140,618
Average (3) | Commercial, financial, and agricultural
Breakdown of loans by risk category
Total loans	53,448	49,434
Average (3) | Commercial construction
Breakdown of loans by risk category
Total loans	2,749	3,146
Average (3) | One to four family residential real estate
Breakdown of loans by risk category
Total loans	2,575	3,412
Average (3) | Consumer
Breakdown of loans by risk category
Total loans		15
Acceptable
Breakdown of loans by risk category
Total loans	292,672	279,653
Acceptable | Commercial real estate
Breakdown of loans by risk category
Total loans	207,921	205,710
Acceptable | Commercial, financial, and agricultural
Breakdown of loans by risk category
Total loans	77,964	65,097
Acceptable | Commercial construction
Breakdown of loans by risk category
Total loans	1,310	1,877
Acceptable | One to four family residential real estate
Breakdown of loans by risk category
Total loans	5,449	6,927
Acceptable | Consumer
Breakdown of loans by risk category
Total loans	28	42
Acceptable Watch
Breakdown of loans by risk category
Total loans	14,223	16,747
Acceptable Watch | Commercial real estate
Breakdown of loans by risk category
Total loans	8,700	10,808
Acceptable Watch | Commercial, financial, and agricultural
Breakdown of loans by risk category
Total loans	3,658	2,485
Acceptable Watch | Commercial construction
Breakdown of loans by risk category
Total loans	648	783
Acceptable Watch | One to four family residential real estate
Breakdown of loans by risk category
Total loans	1,212	2,658
Acceptable Watch | Consumer
Breakdown of loans by risk category
Total loans	5	13
Substandard (6)
Breakdown of loans by risk category
Total loans	9,404	13,098
Substandard (6) | Commercial real estate
Breakdown of loans by risk category
Total loans	4,032	5,323
Substandard (6) | Commercial, financial, and agricultural
Breakdown of loans by risk category
Total loans	1,373	1,777
Substandard (6) | Commercial construction
Breakdown of loans by risk category
Total loans	374	385
Substandard (6) | One to four family residential real estate
Breakdown of loans by risk category
Total loans	3,515	5,493
Substandard (6) | Consumer construction
Breakdown of loans by risk category
Total loans	14	17
Substandard (6) | Consumer
Breakdown of loans by risk category
Total loans	96	103
Rating Unassigned
Breakdown of loans by risk category
Total loans	227,725	221,857
Rating Unassigned | Commercial construction
Breakdown of loans by risk category
Total loans	3,854	4,414
Rating Unassigned | One to four family residential real estate
Breakdown of loans by risk category
Total loans	195,762	185,342
Rating Unassigned | Consumer construction
Breakdown of loans by risk category
Total loans	10,804	12,181
Rating Unassigned | Consumer
Breakdown of loans by risk category
Total loans	$ 17,305	$ 19,920