CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Consolidated Statements of Comprehensive Income
Net income	$ 558,652	$ 527,252	$ 1,645,712	$ 1,359,357
Other comprehensive income (loss):
Foreign currency translation adjustments	(5,237)	5,076	(5,673)	(21,925)
Total other comprehensive (loss) income	(5,237)	5,076	(5,673)	(21,925)
Comprehensive income	$ 553,415	$ 532,328	$ 1,640,039	$ 1,337,432