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Employee Stock-Based Compensation - Restricted Stock Unit Valuation (Detail) - Performance Market and Service Condition Based Restricted Stock Unit Grants | 9 Months Ended
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Sep. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Expected volatility (company) | 51.30%
Expected volatility (peer group median) | 42.90%
Correlation between the Company and peer group median | 0.6
Expected dividend yield | 0.00%
Risk-free rate | 0.30%

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- Definition The correlation coefficient between the company and the peer group median. + References No definition available. + Details
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- Definition The estimated measure of the percentage by which the share prices of the constituents of the peer group 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. + References No definition available. + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) over the vesting period. + References No definition available. + Details
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- Definition The risk-free interest rate assumption that is used in valuing restricted stock units. + References No definition available. + Details
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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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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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. + References No definition available. + Details
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- Details
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