Stock-Based Payments - Stock Options (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
| Unrecognized compensation costs | $ 12,200,000 | $ 12,200,000 | ||
| Period in which compensation costs will be recognized | 2 years 9 months 18 days | |||
| Granted and outstanding (in shares) | 1,647,000 | |||
| Share based Arrangement expense recognized | 2,096,000 | $ 2,723,000 | $ 7,479,000 | $ 7,909,000 |
| Intrinsic value of options exercised | 100,000 | $ 500,000 | ||
| Advisor | Performance-based stock options | ||||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||
| Unrecognized compensation costs | 300,000 | $ 300,000 | ||
| Period in which compensation costs will be recognized | 5 years | |||
| Granted and outstanding (in shares) | 75,000 | |||
| Share based Arrangement expense recognized | $ 0 | $ 0 | ||
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Details
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- Details
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