Number Of Stock Incentive Plans

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- Definition

Percentage Of Fair Market Value Of Common Stock

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- Definition

Purchase plan offering period.

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- Definition

Share based compensation arrangement by share based payment award estimated forfeiture rate.

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No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Increase In Number Of Shares Reserved For Available For Issuance

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No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Maximum Number Of Common Stock Value Per Employee

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No definition available.

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- Definition

Stock option exercise period.

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No definition available.

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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
-Paragraph 2
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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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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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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 highest quantity of shares an employee can purchase under the plan per period.

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-Publisher FASB
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-Topic 718
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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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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

Description of terms of award under share-based payment arrangement.

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- Definition

Percentage of vesting of award under share-based payment arrangement.

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-Name Accounting Standards Codification
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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

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No definition available.

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Stock-Based Compensation - Additional Information (Details)	12 Months Ended
	Dec. 31, 2019 USD ($) Plans shares	Dec. 31, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock incentive plans \| Plans	1
Estimated forfeiture rate	16.00%	15.00%	14.00%
Exercise of Issued Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense \| $	$ 7,300,000
Weighted average period to recognize compensation expense	2 years
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense \| $	$ 13,500,000
Weighted average period to recognize compensation expense	1 year 10 months 24 days
Two Thousand Eighteen Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock authorized for issuance under incentive plan (shares)	9,500,000
Exercise price fair value	100.00%
Two Thousand Eighteen Plan \| Exercise of Issued Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Incentive awards available for grant (shares)	5,900,000
Two Thousand Eighteen Plan \| Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Incentive awards available for grant (shares)	4,000,000.0
Two Thousand Eighteen Plan \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based award vest	25.00%
Restricted stock vesting period	3 years
Two Thousand Eighteen Plan \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price fair value	110.00%
Stock based award vest	33.00%
Restricted stock vesting period	4 years
Term of award	P10Y
Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock authorized for issuance under incentive plan (shares)	8,700,000
Incentive awards available for grant (shares)	10,000,000
Percentage of common stock purchase price	15.00%
Maximum number of common stock shares available for purchase per participant (shares)	50,000
Purchase plan offering period	6 months
Maximum number of common stock value available for purchase per participant \| $	$ 25,000
Increase in number of shares of common stock available for issuance under the purchase plan (shares)	1,000,000
Upon Termination of Retirement \| Two Thousand Eighteen Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock exercised period	6 months
In the Event of Termination Upon Disability or Death \| Two Thousand Eighteen Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock exercised period	12 months
In the Event of Termination for all Other Terminations \| Two Thousand Eighteen Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock exercised period	90 days