LOANS - Age Analysis of Past Due Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	$ 7,223	$ 37,396
Current	892,562	1,146,030
Total loans	899,785	1,183,426
Loans greater than 90 days and accruing	0	728
Commercial, financial and agricultural
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	3,460	17,935
Current	263,880	417,272
Total loans	267,340	435,207
Loans greater than 90 days and accruing	0	545
Real estate – construction
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	164	806
Current	87,342	89,481
Total loans	87,506	90,287
Loans greater than 90 days and accruing	0	125
Real estate – commercial
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	1,206	16,454
Current	367,243	437,597
Total loans	368,449	454,051
Loans greater than 90 days and accruing	0	58
Real estate – residential
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	2,133	1,859
Current	130,302	144,892
Total loans	132,435	146,751
Loans greater than 90 days and accruing	0	0
Consumer and other
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	260	342
Current	43,246	56,056
Total loans	43,506	56,398
Loans greater than 90 days and accruing	0	0
Lease financing receivable
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	0	0
Current	549	732
Total loans	549	732
Loans greater than 90 days and accruing	0	0
30-59 Days Past Due
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	1,738	9,041
30-59 Days Past Due | Commercial, financial and agricultural
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	385	1,195
30-59 Days Past Due | Real estate – construction
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	47	616
30-59 Days Past Due | Real estate – commercial
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	435	5,889
30-59 Days Past Due | Real estate – residential
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	695	1,065
30-59 Days Past Due | Consumer and other
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	176	276
30-59 Days Past Due | Lease financing receivable
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	0	0
60-89 Days Past Due
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	961	8,562
60-89 Days Past Due | Commercial, financial and agricultural
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	902	1,893
60-89 Days Past Due | Real estate – construction
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	0	0
60-89 Days Past Due | Real estate – commercial
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	0	6,402
60-89 Days Past Due | Real estate – residential
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	31	235
60-89 Days Past Due | Consumer and other
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	28	32
60-89 Days Past Due | Lease financing receivable
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	0	0
Greater than 90 Days Past Due
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	4,524	19,793
Greater than 90 Days Past Due | Commercial, financial and agricultural
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	2,173	14,847
Greater than 90 Days Past Due | Real estate – construction
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	117	190
Greater than 90 Days Past Due | Real estate – commercial
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	771	4,163
Greater than 90 Days Past Due | Real estate – residential
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	1,407	559
Greater than 90 Days Past Due | Consumer and other
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	56	34
Greater than 90 Days Past Due | Lease financing receivable
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total past due	$ 0	$ 0