Stock-Based Payments - Weighted-Average Assumptions to Estimate Fair Value of Stock Options (Details) - $ / shares |
9 Months Ended | |
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Sep. 30, 2021 |
Sep. 30, 2020 |
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| Stock Option | ||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Weighted-average grant date fair value of options granted (in dollars per share) | $ 6.36 | $ 5.29 |
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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 The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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