Condensed Consolidated Statements of Comprehensive Income (Loss) (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 1,686	$ (38,304)
Unrealized gains (losses) on marketable securities, net of taxes of $0 and $0, respectively	0	9
Foreign currency translation adjustments	1,664	(4,641)
Other comprehensive income (loss)	1,664	(4,632)
Comprehensive income (loss)	3,350	(42,936)
Less—Comprehensive income (loss) attributable to noncontrolling interest	85	0
Comprehensive income (loss) attributable to the Company	$ 3,265	$ (42,936)