DERIVATIVES DERIVATIVES - Disclosure by Type of Financial Instrument (Details) - Fair Value Hedges - Matched interest rate swaps - Accrued interest and other liabilities - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Derivatives, Fair Value [Line Items]
Gross amounts of recognized liabilities	$ 13,078	$ 12,587
Derivative Liability, Fair Value, Gross Asset	(3,648)	(462)
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	$ 9,430	$ 12,125