UNAUDITED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 3,966	$ 10,395	$ (16,905)	$ 3,306
Other comprehensive (loss) income:
Foreign currency translation adjustments	(1,178)	12,231	44,659	(65,172)
Other comprehensive (loss) income	(1,178)	12,231	44,659	(65,172)
Comprehensive income (loss)	$ 2,788	$ 22,626	$ 27,754	$ (61,866)