CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013	Jun. 30, 2012 Scenario, Actual [Member]	Jun. 30, 2012 Scenario, Actual [Member]
Net income	$ 9,177	$ 17,442	$ 3,413	$ 19,478
Foreign currency translation adjustments	(1,095)	(3,706)	(3,242)	(1,094)
Comprehensive income	$ 8,082	$ 13,736	$ 171	$ 18,384