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Income Taxes - Reconciliation Of Provision Of Income Taxes (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Federal statutory rate	21.00%	21.00%	21.00%
State income taxes (net of federal income tax benefit)	2.90%	1.60%	1.40%
Foreign income tax rate differential	1.30%	3.30%	0.80%
Revaluation of deferred tax assets for foreign and state tax rate changes, net	0.30%	(1.90%)	(1.00%)
Loss on sale of subsidiary	0.00%	(2.30%)	0.00%
Legal settlement	0.00%	(5.10%)	0.00%
Purchase accounting adjustments	0.00%	4.30%	0.00%
Tax credits	(6.20%)	0.00%	(0.50%)
Tax reserves	0.50%	(0.10%)	0.80%
Withholding taxes	0.00%	(0.10%)	0.70%
Change in valuation allowance	16.10%	(13.50%)	3.10%
Nondeductible expenses	3.20%	(1.60%)	2.30%
Incremental tax benefit from share-based compensation awards	(5.70%)	0.20%	(2.00%)
GILTI	0.00%	0.00%	0.50%
Other	(0.20%)	1.00%	1.20%
Effective tax rate	33.20%	6.80%	28.30%

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to equity in earnings (loss) of unconsolidated subsidiaries exempt from income taxes.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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