ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Summary of Changes in Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
Balance at the beginning of the period	$ (17,760)	$ (7,259)	$ (7,889)	$ (7,712)
Other comprehensive income (loss) before reclassifications	(6,759)	(293)	(17,006)	(215)
Loss reclassified from accumulated other comprehensive loss to net income (loss)	367	436	743	811
Other comprehensive income (loss)	(6,392)	143	(16,263)	596
Balance at the end of the period	$ (24,152)	$ (7,116)	$ (24,152)	$ (7,116)