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Equity-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2021
Share-based Payment Arrangement [Abstract] |
Summary of Stock Based Compensation Assumptions | The following table summarizes the assumptions used in the Monte Carlo simulation model to determine the grant date fair value and associated equity-based compensation expenses by grant date:
Grant date | January 18, 2021 |  | February 11, 2021 |  | April 13, 2021
Forecast period (years) | 3 - 4 |  | 3 - 4 |  | 3 - 4
Risk-free interest rates | 0.2% - 0.3% |  | 0.2% - 0.3% |  | 0.3% - 0.6%
Implied equity volatility | 55% - 60% |  | 55% - 60% |  | 45% - 50%
Stock price on date of grant | $44.41 |  | $49.66 |  | $68.07

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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