LOANS AND THE ALLOWANCE FOR CREDIT LOSSES - Nonaccrual Loans by Class (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Nonperforming loans
Total nonaccrual loans	$ 3,163	$ 3,985
Non accrual non-TDR loans	3,163	3,513
Exposure threshold for loans subject to formal review	1,000
Commercial, financial and agricultural
Nonperforming loans
Total nonaccrual loans	165	823
Nonaccruing TDR's		472
Real estate loans - residential | First mortgage
Nonperforming loans
Total nonaccrual loans	1,104	581
Real estate loans - commercial | Owner occupied
Nonperforming loans
Total nonaccrual loans	1,882	1,605
Real estate loans - commercial | Non-owner occupied
Nonperforming loans
Total nonaccrual loans		482
Installment
Nonperforming loans
Total nonaccrual loans	$ 12	$ 22