LOANS - Age Analysis of Past Due Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	$ 75,283	$ 57,037
Current	1,208,799	1,206,608
Loans and Leases Receivable, Net of Deferred Income	1,284,082	1,263,645
Total Loans	1,284,082	1,263,645
Recorded Investment over 90 days and Accruing	268	147
Commercial, financial and agricultural
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	34,624	29,375
Current	424,950	424,653
Loans and Leases Receivable, Net of Deferred Income	459,574	454,028
Total Loans		454,028
Recorded Investment over 90 days and Accruing	96	59
Real estate – construction
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	3,021	1,059
Current	97,938	73,893
Loans and Leases Receivable, Net of Deferred Income	100,959	74,952
Total Loans		74,952
Recorded Investment over 90 days and Accruing	0	0
Real estate – commercial
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	32,498	21,190
Current	448,657	449,951
Loans and Leases Receivable, Net of Deferred Income	481,155	471,141
Total Loans		471,141
Recorded Investment over 90 days and Accruing	140	0
Real estate – residential
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	3,716	3,633
Current	154,156	145,431
Loans and Leases Receivable, Net of Deferred Income	157,872	149,064
Total Loans		149,064
Recorded Investment over 90 days and Accruing	16	19
Installment loans to individuals
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	1,330	1,675
Current	81,330	109,334
Loans and Leases Receivable, Net of Deferred Income	82,660	111,009
Total Loans		111,009
Recorded Investment over 90 days and Accruing	16	69
Lease financing receivable
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	0	0
Current	1,095	1,968
Loans and Leases Receivable, Net of Deferred Income	1,095	1,968
Total Loans		1,968
Recorded Investment over 90 days and Accruing	0	0
Other
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	94	105
Current	673	1,378
Loans and Leases Receivable, Net of Deferred Income	767	1,483
Total Loans		1,483
Recorded Investment over 90 days and Accruing	0	0
Financing Receivables, 30 to 59 Days Past Due [Member]
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	12,870	6,399
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial, financial and agricultural
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	2,297	1,362
Financing Receivables, 30 to 59 Days Past Due [Member] | Real estate – construction
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	2,613	1,047
Financing Receivables, 30 to 59 Days Past Due [Member] | Real estate – commercial
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	5,159	1,164
Financing Receivables, 30 to 59 Days Past Due [Member] | Real estate – residential
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	1,956	1,703
Financing Receivables, 30 to 59 Days Past Due [Member] | Installment loans to individuals
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	756	1,022
Financing Receivables, 30 to 59 Days Past Due [Member] | Lease financing receivable
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Other
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	89	101
Financing Receivables, 60 to 89 Days Past Due [Member]
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	3,480	3,446
Financing Receivables, 60 to 89 Days Past Due [Member] | Commercial, financial and agricultural
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	902	2,317
Financing Receivables, 60 to 89 Days Past Due [Member] | Real estate – construction
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	399	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Real estate – commercial
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	1,931	514
Financing Receivables, 60 to 89 Days Past Due [Member] | Real estate – residential
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	207	367
Financing Receivables, 60 to 89 Days Past Due [Member] | Installment loans to individuals
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	36	244
Financing Receivables, 60 to 89 Days Past Due [Member] | Lease financing receivable
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Other
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	5	4
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	58,933	47,192
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Commercial, financial and agricultural
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	31,425	25,696
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Real estate – construction
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	9	12
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Real estate – commercial
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	25,408	19,512
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Real estate – residential
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	1,553	1,563
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Installment loans to individuals
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	538	409
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Lease financing receivable
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Other
Age Analysis of Past Due Loans by Class of Loans [Abstract]
Total Past Due	$ 0	$ 0