ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Summary of Changes in Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
Balance at the beginning of the period	$ (7,889)
Other comprehensive income (loss) before reclassifications	(10,222)
Loss reclassified from accumulated other comprehensive loss to net income (loss)	351
Other comprehensive income (loss)	(9,871)	$ 453
Balance at the end of the period	$ (17,760)