DERIVATIVE AND HEDGING INSTRUMENTS - Schedule of the Gross Presentation, Effects of Offsetting, and a Net Presentation of Derivatives (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Offsetting Assets:
Gross Amounts of Recognized Assets / Liabilities	$ 11,240	$ 7,087
Gross Amounts Offset in the Balance Sheet	0	0
Net Amounts of Assets / Liabilities presented in the Balance Sheet	11,240	7,087
Financial Instruments	(716)	(1,468)
Cash Collateral Received	0	0
Net Amount	10,524	5,619
Offsetting Liabilities:
Gross Amounts of Recognized Assets / Liabilities	716	1,468
Gross Amounts Offset in the Balance Sheet	0	0
Net Amounts of Assets / Liabilities presented in the Balance Sheet	716	1,468
Financial Instruments	(716)	(1,468)
Cash Collateral Received	0	0
Net Amount	$ 0	$ 0