Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 2,711,647	$ 1,176,810	$ 2,087,103
Changes in other comprehensive income:
Unrealized holding (losses) gains on marketable securities, net	(169)	1,039	58
Unrealized (losses) gains on foreign currency forward contracts, net of tax of $14.3 million, $7.0 million and $(7.1) million, respectively	(51,555)	(14,003)	27,438
Foreign currency translation adjustment	(14,783)	10,332	8,855
Total other comprehensive (loss) income	(66,507)	(2,632)	36,351
Comprehensive income	2,645,140	1,174,178	2,123,454
Comprehensive loss attributable to noncontrolling interest	0	0	9,793
Comprehensive income attributable to Vertex	$ 2,645,140	$ 1,174,178	$ 2,133,247