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STOCK-BASED COMPENSATION - Summary of Stock Options and Stock Options with Market Conditions (Details) | 3 Months Ended
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Mar. 31, 2022 USD ($) $ / shares shares
Stock options, Grant Date Fair Value Valuation |
Share price (in dollars per share) | $ / shares | $ 119.67
Grant date fair value (in dollars per share) | $ / shares | $ 58.60
Option |
Stock options, Shares |
Outstanding at the beginning of the period (in shares) | shares | 676,293
Granted (in shares) | shares | 130,428
Exercised (in shares) | shares | 0
Forfeited (in shares) | shares | (10,010)
Expired (in shares) | shares | (811)
Outstanding at the end of the period (in shares) | shares | 795,900
Options exercisable at the end of the period (in shares) | shares | 485,638
Stock options, Weighted Average Exercise Price |
Outstanding at the beginning of the period (in dollars per share) | $ / shares | $ 169.71
Granted (in dollars per share) | $ / shares | 114.28
Exercised (in dollars per share) | $ / shares | 0
Forfeited (in dollars per share) | $ / shares | 258.09
Expired (in dollars per share) | $ / shares | 278.83
Outstanding at the end of the period (in dollars per share) | $ / shares | 159.41
Options exercisable at the end of the period (in dollars per share) | $ / shares | $ 126.88
Stock options, Weighted Average Remaining Contractual Term |
Outstanding at the end of the period (in years) | 5 years 10 months 6 days
Options exercisable at the end of the period (in years) | 3 years 9 months 7 days
Stock options, Aggregate Intrinsic Value |
Outstanding at the end of the period | $ | $ 25,773,000
Options exercisable at the end of the period | $ | $ 24,985,000
Stock options, Grant Date Fair Value Valuation |
Vesting period (in years) | 3 years
Expected term (in years) | 6 years
Expected dividend rate | 0.00%
Expected volatility, minimum | 53.00%
Expected volatility, maximum | 56.00%
Risk-free interest rate, minimum | 1.62%
Risk-free interest rate, maximum | 1.79%
Expected dividends | $ | $ 0
Market options |
Stock options, Shares |
Outstanding at the beginning of the period (in shares) | shares | 700,209
Granted (in shares) | shares | 0
Exercised (in shares) | shares | 0
Forfeited (in shares) | shares | 0
Expired (in shares) | shares | (13,163)
Outstanding at the end of the period (in shares) | shares | 687,046
Options exercisable at the end of the period (in shares) | shares | 0
Stock options, Weighted Average Exercise Price |
Outstanding at the beginning of the period (in dollars per share) | $ / shares | $ 236.01
Granted (in dollars per share) | $ / shares | 0
Exercised (in dollars per share) | $ / shares | 0
Forfeited (in dollars per share) | $ / shares | 0
Expired (in dollars per share) | $ / shares | 378.95
Outstanding at the end of the period (in dollars per share) | $ / shares | 233.27
Options exercisable at the end of the period (in dollars per share) | $ / shares | $ 0
Stock options, Weighted Average Remaining Contractual Term |
Outstanding at the end of the period (in years) | 6 years 6 months 3 days
Options exercisable at the end of the period (in years) | 0 years
Stock options, Aggregate Intrinsic Value |
Outstanding at the end of the period | $ | $ 0
Options exercisable at the end of the period | $ | $ 0
Stock options, Grant Date Fair Value Valuation |
Maximum number of shared to be earned | shares | 1,147,367
Percentage of target number of shares | 167.00%
Performance awards earned (in shares) | shares | 481,669

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- Definition The estimated amount of dividends to be paid to holders of the underlying shares (expected dividends) over the option's term. Dividends are taken into account because payment of dividends to shareholders reduces the fair value of the underlying shares, and option holders generally do not receive dividends. + 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)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the maximum 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 No definition available. + Details
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- Definition The estimated measure of the minimum 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 No definition available. + Details
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