CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013		Sep. 30, 2012
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (9,470)	$ (49,562)	$ (13,880)		$ (50,156)
Other comprehensive loss:
Reclassification of cumulative translation adjustments upon liquidation of foreign entities			(411)	[1]
Foreign currency translation adjustments	11	(59)	147		(85)
Comprehensive loss	$ (9,459)	$ (49,621)	$ (14,144)		$ (50,241)

[1] Amount recorded in other income (expense) in the Unaudited Consolidated Statements of Operations.