CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012 Scenario, Actual [Member]
Net income	$ 8,265	$ 16,065
Foreign currency translation adjustments	(2,611)	2,148
Comprehensive income	$ 5,654	$ 18,213