CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Consolidated Statements of Comprehensive Income
Net income	$ 2,164,685	$ 1,752,302	$ 1,391,042
Other comprehensive income (loss):
Foreign currency translation adjustments	(4,644)	(7,045)	4,890
Total other comprehensive (loss) income	(4,644)	(7,045)	4,890
Comprehensive income	$ 2,160,041	$ 1,745,257	$ 1,395,932