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STOCK-BASED COMPENSATION - Stock Option Activity (Details) | 12 Months Ended
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Dec. 31, 2021 USD ($) $ / shares shares
Shares |
Stock Option Shares expired (in shares) | shares | (5,000)
Weighted-Average Exercise Price |
Stock Option Shares expired (in dollars per share) | $ / shares | $ 9.80
Stock options |
Shares |
Stock Option Shares outstanding at beginning of period (in shares) | shares | 2,194,779
Stock Option Shares granted (in shares) | shares | 429,302
Stock Option Shares exercised (in shares) | shares | (382,716)
Stock Option Shares forfeited (in shares) | shares | (236,666)
Stock Option Shares outstanding at end of period (in shares) | shares | 1,999,699
Stock Option Shares exercisable at end of period (in shares) | shares | 1,028,375
Weighted-Average Exercise Price |
Stock Option Shares outstanding at beginning of period (in dollars per share) | $ / shares | $ 35.01
Stock Option Shares granted (in dollars per share) | $ / shares | 68.34
Stock Option Shares exercised (in dollars per share) | $ / shares | 27.27
Stock Option Shares forfeited (in dollars per share) | $ / shares | 40.83
Stock Option Shares outstanding at end of period (in dollars per share) | $ / shares | 42.05
Stock Option Shares exercisable at end of period (in dollars per share) | $ / shares | $ 29.26
Weighted Average Remaining Contractual Term |
Stock Option Shares outstanding at end of period | 6 years 6 months
Stock Option Shares exercisable at end of period | 4 years 7 months 6 days
Aggregate Intrinsic Value |
Stock Option Shares outstanding at end of period (in dollars) | $ | $ 61,774,500
Stock Option Shares exercisable at end of period (in dollars) | $ | $ 45,958,184

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + 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 (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + 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 (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + 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 (c)(1)(iv)(4) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + 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 (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + 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 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + 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 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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