LOANS - Individually Evaluated for Impairment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
With no related allowance recorded:
Recorded Investment	$ 6,436	$ 35,432
Unpaid Principal Balance	6,523	42,897
Average Recorded Investment	20,923	32,114
Interest Income Recognized	94	90
With related allowance recorded:
Recorded Investment	1,156	15,206
Unpaid Principal Balance	1,156	15,309
Related Allowance	474	7,370
Average Recorded Investment	8,180	24,474
Interest Income Recognized	0	1
Total impaired loans
Recorded Investment	7,592	50,638
Unpaid Principal Balance	7,679	58,206
Related Allowance	474	7,370
Average Recorded Investment	29,103	56,588
Interest Income Recognized	94	91
Recorded investment, troubled debt restructuring	1,300	9,900
Commercial, financial and agricultural
With no related allowance recorded:
Recorded Investment	2,924	24,659
Unpaid Principal Balance	3,011	30,630
Average Recorded Investment	13,791	19,880
Interest Income Recognized	56	90
With related allowance recorded:
Recorded Investment	1,025	14,119
Unpaid Principal Balance	1,025	14,150
Related Allowance	470	7,197
Average Recorded Investment	7,572	15,245
Interest Income Recognized	0	1
Total impaired loans
Related Allowance	470	7,197
Real estate – construction
With no related allowance recorded:
Recorded Investment	117	0
Unpaid Principal Balance	117	0
Average Recorded Investment	59	5
Interest Income Recognized	0	0
With related allowance recorded:
Recorded Investment	131	66
Unpaid Principal Balance	131	136
Related Allowance	4	23
Average Recorded Investment	97	33
Interest Income Recognized	0	0
Total impaired loans
Related Allowance	4	23
Real estate – commercial
With no related allowance recorded:
Recorded Investment	3,395	10,471
Unpaid Principal Balance	3,395	11,965
Average Recorded Investment	6,922	11,590
Interest Income Recognized	38	0
With related allowance recorded:
Recorded Investment	0	657
Unpaid Principal Balance	0	657
Related Allowance	0	131
Average Recorded Investment	329	8,318
Interest Income Recognized	0	0
Total impaired loans
Related Allowance	0	131
Real estate – residential
With no related allowance recorded:
Recorded Investment	0	302
Unpaid Principal Balance	0	302
Average Recorded Investment	151	602
Interest Income Recognized	0	0
With related allowance recorded:
Recorded Investment	0	316
Unpaid Principal Balance	0	316
Related Allowance	0	5
Average Recorded Investment	158	620
Interest Income Recognized	0	0
Total impaired loans
Related Allowance	0	5
Consumer and other
With no related allowance recorded:
Recorded Investment	0	0
Unpaid Principal Balance	0	0
Average Recorded Investment	0	37
Interest Income Recognized	0	0
With related allowance recorded:
Recorded Investment	0	48
Unpaid Principal Balance	0	50
Related Allowance	0	14
Average Recorded Investment	24	258
Interest Income Recognized	0	0
Total impaired loans
Related Allowance	$ 0	$ 14

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