Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net income (loss)	$ (53,906)	$ (104,800)	$ 8,472
Other comprehensive income (loss):
Foreign currency translation adjustment	366	(74)	147
Comprehensive income (loss)	$ (53,540)	$ (104,874)	$ 8,619