LOANS - Risk Rating (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 1,284,082	$ 1,263,645
Commercial, financial and agricultural
Financing Receivable, Recorded Investment [Line Items]
Loans	459,574	454,028
Real estate – commercial
Financing Receivable, Recorded Investment [Line Items]
Loans	481,155	471,141
Commercial
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 940,729	$ 925,169
Percentage of Total	100.00%	100.00%
Real estate – construction
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 100,959	$ 74,952
Percentage of Total	100.00%	100.00%
Real estate – residential
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 157,872	$ 149,064
Percentage of Total	100.00%	100.00%
Installment loans to individuals
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 82,660	$ 111,009
Lease financing receivable
Financing Receivable, Recorded Investment [Line Items]
Loans	1,095	1,968
Other
Financing Receivable, Recorded Investment [Line Items]
Loans	767	1,483
Consumer and other commercial, total
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 84,522	$ 114,460
Percentage of Total	100.00%	100.00%
Pass | Commercial, financial and agricultural
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 346,246	$ 383,897
Pass | Real estate – commercial
Financing Receivable, Recorded Investment [Line Items]
Loans	420,970	412,141
Pass | Commercial
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 767,216	$ 796,038
Percentage of Total	81.56%	86.04%
Pass | Real estate – construction
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 100,775	$ 74,794
Percentage of Total	99.82%	99.79%
Pass | Real estate – residential
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 153,403	$ 144,704
Percentage of Total	97.17%	97.08%
Special mention | Commercial, financial and agricultural
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 22,611	$ 32,506
Special mention | Real estate – commercial
Financing Receivable, Recorded Investment [Line Items]
Loans	23,085	28,217
Special mention | Commercial
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 45,696	$ 60,723
Percentage of Total	4.86%	6.55%
Special mention | Real estate – construction
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 0	$ 34
Percentage of Total	0.00%	0.04%
Special mention | Real estate – residential
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 1,181	$ 1,225
Percentage of Total	0.75%	0.82%
Substandard | Commercial, financial and agricultural
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 90,300	$ 37,353
Substandard | Real estate – commercial
Financing Receivable, Recorded Investment [Line Items]
Loans	37,100	30,783
Substandard | Commercial
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 127,400	$ 68,136
Percentage of Total	13.54%	7.36%
Substandard | Real estate – construction
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 184	$ 124
Percentage of Total	0.18%	0.17%
Substandard | Real estate – residential
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 3,288	$ 3,135
Percentage of Total	2.08%	2.10%
Doubtful | Commercial, financial and agricultural
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 417	$ 272
Doubtful | Real estate – commercial
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Doubtful | Commercial
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 417	$ 272
Percentage of Total	0.04%	0.03%
Performing | Installment loans to individuals
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 82,103	$ 110,536
Performing | Lease financing receivable
Financing Receivable, Recorded Investment [Line Items]
Loans	1,095	1,968
Performing | Other
Financing Receivable, Recorded Investment [Line Items]
Loans	767	1,483
Performing | Consumer and other commercial, total
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 83,965	$ 113,987
Percentage of Total	99.34%	99.59%
Nonperforming | Installment loans to individuals
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 557	$ 473
Nonperforming | Lease financing receivable
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Nonperforming | Other
Financing Receivable, Recorded Investment [Line Items]
Loans	0	0
Nonperforming | Consumer and other commercial, total
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 557	$ 473
Percentage of Total	0.66%	0.41%