Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 789,976	$ 665,244	$ 2,219,239	$ 1,279,946
Other comprehensive income (loss):
Foreign currency translation adjustments	32,925	(20,894)	22,374	(21,664)
Comprehensive income	$ 822,901	$ 644,350	$ 2,241,613	$ 1,258,282