Restricted Common Stock, Stock Options, Restricted Stock Units (RSUs) and Warrants (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |
|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2021 |
Dec. 31, 2020 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Share based compensation expense | $ 0.6 | $ 0.6 | |
| Unvested Performance-Based Restricted Stock [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Unrecognized compensation cost | $ 110.1 | $ 110.1 | |
| Unrecognized compensation cost, period for recognition | 8 months 12 days | ||
| Fair value of restricted stock granted | $ 144.6 | ||
| Options outstanding | 3,605,973 | 3,605,973 | |
| Unvested Time-Based Restricted Stock [Member] | |||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Unrecognized compensation cost | $ 2.6 | $ 2.6 | |
| Unrecognized compensation cost, period for recognition | 5 months | ||
| Fair value of restricted stock granted | $ 5.8 | ||
| Options outstanding | 618,043 | 618,043 | 633,305 |
| X | ||||||||||
- Definition Amount of expense for employee benefit and equity-based compensation. No definition available.
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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. 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 Number of non-vested options outstanding. No definition available.
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- Definition Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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- Details
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