Stock Based Compensation - 2010 Plan Stock Options (Details) - $ / shares |
9 Months Ended | |
|---|---|---|
Sep. 30, 2023 |
Sep. 30, 2022 |
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| Weighted average assumptions | ||
| Number of shares, Granted | 796,802 | |
| Exercise price (in dollars per share) | $ 23.50 | |
| 2010 Plan | ||
| Weighted average assumptions | ||
| Weighted-average grant-date fair value (in dollars per share) | $ 13.46 | $ 12.21 |
| Common stock options | 2010 Plan | ||
| Share-based compensation | ||
| Minimum age required for employees to qualify for immediate vesting of award | 55 years | |
| Threshold years required for retirement age | 70 years | |
| Weighted average assumptions | ||
| Dividend yield | 0.00% | 0.00% |
| Expected volatility | 70.00% | 70.00% |
| Risk-free interest rate | 3.60% | 2.17% |
| Expected term | 5 years 9 months 14 days | 5 years 7 months 24 days |
| Common stock options | 2010 Plan | Employees | ||
| Share-based compensation | ||
| Vesting period | 3 years | |
| Common stock options | 2010 Plan | Directors | ||
| Share-based compensation | ||
| Vesting period | 1 year | |
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- References No definition available.
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Gross number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Expected term of 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://www.xbrl.org/2003/role/disclosureRef
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- Definition Minimum age required for employees to qualify for immediate vesting of award. No definition available.
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- Definition Threshold years required for retirement age (defined as employees that are a minimum of 55 years of age and the sum of their age plus years of full-time employment with the Company). No definition available.
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