Number of equity incentive plans.

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- Definition

Share based compensation arrangement by share based payment award options that may be grants in period gross.

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No definition available.

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- Definition

Aggregate number of common shares reserved for future issuance.

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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- Definition

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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No definition available.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

Number of share options (or share units) exercised during the current period.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Stock-Based Compensation - Additional Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) IncentivePlan shares	Mar. 31, 2022 USD ($) shares	Dec. 31, 2022 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock compensation expense	$ 60.3
Number of equity incentive plans \| IncentivePlan	2
Number of shares available for future grant \| shares	2,300,000		2,100,000
Weighted-average remaining vesting period (years)	2 years 10 months 24 days
Common Stock options exercised \| shares	178,000	200,000
Intrinsic value of options exercised	$ 2.8	$ 1.6
Restricted Stock Units ("RSU")
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock compensation expense	$ 28.6
Weighted-average remaining vesting period (years)	2 years
Total fair value of restricted stock units vested during the period	$ 6.3	$ 1.5
Performance Based Share Units (PSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock compensation expense	$ 17.6
2009 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of common shares, may be granted \| shares	0
2022 Inducement Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares of common stock for issuance pursuant to awards granted \| shares	1,500,000
2015 ESPP
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares available for future grant \| shares	1,800,000		1,100,000
Unrecognized stock compensation expense	$ 0.1
Weighted-average remaining vesting period (years)	1 month 6 days