Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net income (loss)	$ 36,911	$ (18,548)	$ 127,615	$ (86,147)
Other comprehensive income:
Foreign currency translation adjustments	5,374	1,467	(2,690)	325
Unrealized gain on marketable securities and restricted marketable securities, net of tax of $(975), $(417), $(586), and $560	11,826	11,905	14,678	8,558
Unrealized (loss) gain on derivative instruments, net of tax of $(7), $358, $(86), and $331	(810)	(1,279)	86	(1,337)
Other comprehensive income	16,390	12,093	12,074	7,546
Comprehensive income (loss)	53,301	(6,455)	139,689	(78,601)
Unrealized gain on marketable securities and restricted marketable securities, tax	(975)	(417)	(586)	560
Unrealized (loss) gain on derivative instruments, tax	$ (7)	$ 358	$ (86)	$ 331