ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Summary of Changes in Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
Balance at the beginning of the period	$ (24,152)	$ (7,116)	$ (7,889)	$ (7,712)
Other comprehensive income (loss) before reclassifications	(22)	(919)	(17,028)	(1,133)
Loss reclassified from accumulated other comprehensive loss to net income (loss)	356	466	1,099	1,276
Other comprehensive income (loss)	334	(453)	(15,929)	143
Balance at the end of the period	$ (23,818)	$ (7,569)	$ (23,818)	$ (7,569)