Unaudited Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income	$ 24,344	$ 32,289	$ 55,100	$ 45,016
Foreign currency gain (loss)	(40,395)	29,599	(24,511)	(14,890)
Total comprehensive income (loss)	$ (16,051)	$ 61,888	$ 30,589	$ 30,126