CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 37,995	$ 19,901	$ 98,853	$ 50,820
Other comprehensive income:
Amount recognized in other comprehensive loss on derivative	13,948		13,948
Foreign subsidiaries liquidation	(730)		(730)
Foreign currency translation adjustments		27	63	290
Comprehensive income	$ 23,317	$ 19,928	$ 84,238	$ 51,110