Stock-Based Compensation - Compensation expense (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Stock Based Compensation | |||
| Stock-based compensation | $ 9,134 | $ 10,511 | $ 5,707 |
| Operating expense | |||
| Stock Based Compensation | |||
| Stock-based compensation | (80) | 113 | 108 |
| Selling, general and administrative | |||
| Stock Based Compensation | |||
| Stock-based compensation | $ 9,214 | $ 10,398 | $ 5,599 |
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- 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 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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