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STOCK-BASED COMPENSATION - Summary of Option Activity (Details) - Options - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Employee option exercises |  |  |
Stock options activity |  |  |
Outstanding at the beginning of the period (in shares) | 3,072,503 |  |
Exercised (in shares) | (447,109) |  |
Forfeited or expired (in shares) | (1,450) |  |
Outstanding at the end of the period (in shares) | 2,623,944 | 3,072,503 |
Stock option weighted average exercise price |  |  |
Outstanding at the beginning of the period (in dollars per share) | $ 71.99 |  |
Options exercised, Weighted average exercise price per share (in dollars per share) | 64.05 |  |
Options forfeited or expired, Weighted average exercise price per share (in dollars per share) | 78.30 |  |
Outstanding at the end of the period (in dollars per share) | $ 73.34 | $ 71.99 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] |  |  |
Options exercisable, Number of options (in shares) | 2,623,944 |  |
Options exercisable, Weighted average exercise price per share (in dollars per share) | $ 73.34 |  |
Options outstanding, Weighted average remaining contractual term (in years) | 3 years 3 months 18 days |  |
Options exercisable, Weighted average remaining contractual term (in years) | 3 years 3 months 18 days |  |
Options outstanding, Aggregate intrinsic value (in USD) | $ 96,149 |  |
Options exercisable, Aggregate intrinsic value (in USD) | 96,149 |  |
Options exercised, Intrinsic value, at end of period | $ 20,608 | $ 69,862 | $ 59,179
Director option exercises |  |  |
Stock options activity |  |  |
Outstanding at the beginning of the period (in shares) | 51,700 |  |
Exercised (in shares) | 0 |  |
Forfeited or expired (in shares) | 0 |  |
Outstanding at the end of the period (in shares) | 51,700 | 51,700 |
Stock option weighted average exercise price |  |  |
Outstanding at the beginning of the period (in dollars per share) | $ 63.91 |  |
Options exercised, Weighted average exercise price per share (in dollars per share) | 0 |  |
Options forfeited or expired, Weighted average exercise price per share (in dollars per share) | 0 |  |
Outstanding at the end of the period (in dollars per share) | $ 63.91 | $ 63.91 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] |  |  |
Options exercisable, Number of options (in shares) | 51,700 |  |
Options exercisable, Weighted average exercise price per share (in dollars per share) | $ 63.91 |  |
Options outstanding, Weighted average remaining contractual term (in years) | 1 year 1 month 6 days |  |
Options exercisable, Weighted average remaining contractual term (in years) | 1 year 1 month 6 days |  |
Options outstanding, Aggregate intrinsic value (in USD) | $ 2,382 |  |
Options exercisable, Aggregate intrinsic value (in USD) | 2,382 |  |
Options exercised, Intrinsic value, at end of period | $ 0 | $ 4,248 | $ 2,318

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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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI https://asc.fasb.org/extlink&oid=128089324&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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition For presentations that combine terminations, 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 or that expired. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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