LOANS - PAST DUE (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Past due loans
Total	$ 6,613	$ 7,498
30-89 days Past Due
Past due loans
30-89 days Past Due (accruing)	4,045	3,374
90+ days Past Due
Past due loans
90+ days Past Due/Nonaccrual	2,568	4,124
Commercial real estate
Past due loans
Total	1,326	2,674
Commercial real estate | 30-89 days Past Due
Past due loans
30-89 days Past Due (accruing)	460	942
Commercial real estate | 90+ days Past Due
Past due loans
90+ days Past Due/Nonaccrual	866	1,732
Commercial, financial, and agricultural
Past due loans
Total	354	523
Commercial, financial, and agricultural | 30-89 days Past Due
Past due loans
30-89 days Past Due (accruing)	16	186
Commercial, financial, and agricultural | 90+ days Past Due
Past due loans
90+ days Past Due/Nonaccrual	338	337
Commercial construction
Past due loans
Total	87
Commercial construction | 30-89 days Past Due
Past due loans
30-89 days Past Due (accruing)	73
Commercial construction | 90+ days Past Due
Past due loans
90+ days Past Due/Nonaccrual	14
One to four family residential real estate
Past due loans
Total	4,774	4,069
One to four family residential real estate | 30-89 days Past Due
Past due loans
30-89 days Past Due (accruing)	3,424	2,113
One to four family residential real estate | 90+ days Past Due
Past due loans
90+ days Past Due/Nonaccrual	1,350	1,956
Consumer construction
Past due loans
Total		17
Consumer construction | 90+ days Past Due
Past due loans
90+ days Past Due/Nonaccrual		17
Consumer
Past due loans
Total	72	215
Consumer | 30-89 days Past Due
Past due loans
30-89 days Past Due (accruing)	$ 72	133
Consumer | 90+ days Past Due
Past due loans
90+ days Past Due/Nonaccrual		$ 82