INSTRUMENTS AND RISK MANAGEMENT (Tables)

12 Months Ended

Dec. 31, 2016

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments Included in Trading Activities

The impact of these instruments on the statement of operations in 2016, 2015 and 2014 is summarized below:

	Location of Gain (loss)	Amount of Gain (loss)
(in thousands)	Recognized in Income	Recognized in Income
		2016		2015		2014
Interest rate swap:	Other income (expense)	$	113	$	20	$	(172)