Income Taxes - Reconciliation Of The Statutory Federal Income Tax Rate To The Effective Tax Rate (Details)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Statutory federal income tax rate	21.00%	21.00%	21.00%
Increase (decrease) in tax rate resulting from:
State income taxes (net of federal income tax benefit)	11.30%	1.40%	2.50%
Impact of foreign operations	61.10%	(0.10%)	1.70%
Foreign-Derived Intangible Income (“FDII”)	0.00%	(1.10%)	(0.90%)
Subpart F and GILTI, net of foreign tax credits	(48.30%)	2.00%	0.10%
Change in uncertain tax positions	2.30%	0.60%	(0.90%)
Research and experimentation credits and other	(5.10%)	(0.50%)	1.00%
Excess tax benefit from stock-based compensation	7.70%	(2.30%)	(1.10%)
Impact of step-up of Swiss assets	160.60%	0.00%	0.00%
Effective income tax rate	210.60%	21.00%	23.40%