Stock-Based Payments - Restricted Stock Units (Details) $ in Millions |
3 Months Ended |
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Mar. 31, 2019
USD ($)
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
| Unrecognized compensation costs | $ 18.6 |
| Period in which compensation costs will be recognized | 3 years 1 month 6 days |
| Restricted Stock Units | |
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
| Vesting period | 4 years |
| Vesting (as a percent) | 25.00% |
| Unrecognized compensation costs | $ 6.9 |
| Period in which compensation costs will be recognized | 3 years 4 months 24 days |
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- Definition Unrecognized cost of unvested share-based compensation awards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. No definition available.
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- Definition Percentage of vesting of share-based compensation awards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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