Income Taxes - Summary of Provision for Income Taxes and U.S. Federal Tax Rate (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount [Abstract]
Computed “expected” tax expense	$ 64,706	$ 49,436
Foreign income tax differential	(2,692)	(3,364)
Excess tax benefit related to stock-based compensation	(5,044)	(13,449)
State taxes net of federal benefits	4,927	786
Foreign withholding	3,304	3,764
GILTI, net of foreign tax credits	1,907	2,341
Foreign sourced non taxable income	81	2,416
Stock-based compensation	1,043	355
Sub-part F Income	2,139	1,746
Other	3,746	2,562
Provision for income taxes	$ 74,115	$ 46,593	$ 191,828	$ 124,972
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Computed “expected” tax expense	21.00%	21.00%
Foreign income tax differential	(0.90%)	(1.40%)
Excess tax benefit related to stock-based compensation	(1.60%)	(5.70%)
State taxes net of federal benefits	1.60%	0.30%
Foreign withholding	1.10%	1.60%
GILTI, net of foreign tax credits	0.60%	1.00%
Foreign sourced non taxable income	0.00%	1.00%
Stock-based compensation	0.30%	0.20%
Sub-part F Income	0.70%	0.70%
Other	1.30%	1.10%
Provision for income taxes	24.10%	19.80%