LOANS - Troubled Debt Restructuring (Details)	3 Months Ended
	Mar. 31, 2017 USD ($) loan payment	Mar. 31, 2016 loan	Dec. 31, 2016 USD ($)
Receivables [Abstract]
Period of current payment history	6 months
Debt coverage ratio	1.25
Number of projected future quarters under review	1 year
Number of consecutive payments to qualify for return to accrual status | payment	6
Performing TDRs	$ 24,800,000		$ 25,100,000
Allowances for performing TDRs	409,000		390,000
Nonperforming TDRs	$ 2,600,000
Allowance for nonperforming TDRs			$ 69,000
Number of loans modified as TDRs | loan	0	0
Subsequent default, number of contracts | loan	0	0