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Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Loss Carryforwards [Line Items]
Valuation allowance, change in amount	$ 11.4	$ (116.5)	$ 136.9
Unrecognized tax benefits that would impact effective tax rate	28.1
Research Tax Credit Carryforward
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	9.8
Internal Revenue Service (IRS)
Operating Loss Carryforwards [Line Items]
Operating loss carryforward	119.6
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforward	176.3
State and Local Jurisdiction | California and New Jersey Research Tax Credit Carryforward
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	29.7
Non-US
Operating Loss Carryforwards [Line Items]
Operating loss carryforward	101.6	110.1
Non-US | Capital Loss Carryforward
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	$ 17.5	$ 17.6

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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