Income Taxes (Details) $ in Millions	9 Months Ended
Sep. 30, 2021 USD ($)
Tax Credit Carryforward [Line Items]
Deferred tax assets, net	$ 104.0
Liability for unrecognized tax benefits	11.4
Research and development tax credit studies	$ 7.1
Effective tax rate (as a percentage)	55.30%
Effective tax rate, before discrete period adjustment (as a percentage)	(11.80%)
Restricted Stock Units (RSUs)
Tax Credit Carryforward [Line Items]
Discrete tax benefit, stock-based compensation	$ 70.0
State Tax
Tax Credit Carryforward [Line Items]
Unrecognized tax benefits recognized during period	$ 11.4

Effective Income Tax Rate Reconciliation, Deduction, Stock-based Compensation

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
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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 income tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.

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Amount 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 research tax credit.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of unrecognized tax benefits.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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