LOANS AND THE ALLOWANCE FOR CREDIT LOSSES - Nonaccrual Loans by Class (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total nonaccrual loans	$ 4,236	$ 3,985
Non accrual non-TDR loans	3,488	3,513
Exposure threshold for loans subject to formal review	1,000
Commercial, financial and agricultural
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total nonaccrual loans	769	823
Nonaccruing TDR's	316	472
Real estate loans - residential | First mortgage
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total nonaccrual loans	813	581
Real estate loans - commercial | Owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total nonaccrual loans	1,829	1,605
Nonaccruing TDR's	432
Real estate loans - commercial | Non-owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total nonaccrual loans	$ 77	482
Installment
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total nonaccrual loans		$ 22