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v3.21.1

Stock-based Compensation (Details) | 3 Months Ended
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Mar. 31, 2021 shares
Performance based restricted stock unit |
Share-based Compensation |
Number of shares of common stock per award | 1
Restricted stock unit |
Share-based Compensation |
Number of shares of common stock per award | 1
Deferred stock units |
Share-based Compensation |
Number of shares of common stock per award | 1
Vesting period | 1 year
Settlement period | 30 days
Minimum | Restricted stock unit |
Share-based Compensation |
Requisite service periods | 1 year
Maximum | Restricted stock unit |
Share-based Compensation |
Requisite service periods | 5 years

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- Definition Represents the settlement period of awards, following the earlier of separation from the Board or a change in control of the entity. + References No definition available. + Details
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- Definition Represents the number of shares of common stock per award under the equity-based compensation plan. + References No definition available. + Details
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- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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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. + References No definition available. + Details
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