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Share-Based Compensation - Restricted Stock Units Narratives (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 USD ($) shares | Sep. 30, 2021 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award |  |
Share based compensation not yet recognized for unvested shares vesting period |  | 2 years 8 months 15 days
Vested in period, excluded (in shares) | 40,000 |
Tranche Two |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Stock options vesting period |  | 3 years
Tranche One |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Stock option vesting right percentage |  | 25.00%
Stock options vesting period |  | 4 years
RSUs |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Share based compensation not yet recognized for unvested shares other than options | $ | $ 1.3 | $ 1.3
Share based compensation not yet recognized for unvested shares vesting period |  | 2 years 18 days
Canceled of forfeited (in shares) |  | 320,850
Vested in period, excluded (in shares) |  | 41,125
RSUs | Tranche Two |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Stock option vesting right percentage |  | 50.00%
Stock options vesting period |  | 18 months
RSUs | Tranche One |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Stock option vesting right percentage |  | 50.00%
Stock options vesting period |  | 18 months
RSUs | Tranche Three |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Stock option vesting right percentage |  | 100.00%
Stock options vesting period |  | 2 years
Restricted Stock Units (RSUs), Performance Conditions |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Share-based compensation arrangement by share-based payment award, shares issued in period |  | 1,020,000
Canceled of forfeited (in shares) |  | 140,000

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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. + 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 (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. + 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 (i) -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 The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + 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 (c)(1)(iv)(3) -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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- Definition Number of shares issued under share-based payment arrangement. + 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 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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