Stock-Based Compensation - Purchase Plan (Details) - Purchase Plan |
1 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
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Jan. 31, 2021
shares
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Sep. 30, 2021
USD ($)
item
shares
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Jul. 01, 2020
USD ($)
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Jan. 02, 2020
USD ($)
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| Additional disclosures | ||||
| Award offering period | 24 months | |||
| Number of purchase periods per award offering period | item | 4 | |||
| Award purchase period | 6 months | |||
| Purchase price expressed as a percentage of fair market value of common stock on the purchase date | 85.00% | |||
| Purchase price expressed as a percentage of fair market value of common stock on the first day of the offering period | 85.00% | |||
| Total incremental fair value for the Purchase Plan reset | $ | $ 535,000 | $ 753,000 | ||
| Additional shares approved | shares | 5,500,000 | |||
| Shares reserved for future issuance | shares | 5,039,922 | |||
| Unrecognized compensation cost related to purchase plan | $ | $ 193,000 | |||
| Weighted-average recognition period of unamortized compensation cost | 3 months 29 days |
| X | ||||||||||
- Definition Represents the incremental fair value for awards under the Purchase Plan reset feature. No definition available.
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| X | ||||||||||
- Definition Represents the offering period for awards under the equity-based compensation plan. No definition available.
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| X | ||||||||||
- Definition Represents the purchase period for awards under the equity-based compensation plan. No definition available.
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| X | ||||||||||
- Definition Represents the number of purchase periods per award offering period under the equity-based compensation plan. No definition available.
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| X | ||||||||||
- Definition Represents the purchase price expressed as a percentage of the fair market value of common stock on the first day of the offering period. No definition available.
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| X | ||||||||||
- Definition Aggregate number of common shares reserved for future issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of additional shares authorized for issuance under share-based payment arrangement. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Purchase price of common stock expressed as a percentage of its fair value. No definition available.
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| X | ||||||||||
- Details
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