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SHARE-BASED COMPENSATION - Schedule of Estimated Fair Value of Option Using Black-Scholes Option Pricing Model, Weighted Average Assumptions (Details) - $ / shares | 3 Months Ended | 9 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Stock Options |  |  |  |
Stock Options |  |  |  |
Risk-free interest rate | 3.40% | 0.80% | 2.50% | 0.80%
Expected term (in years) | 3 years | 3 years 9 months 18 days | 3 years 2 months 12 days | 4 years 1 month 6 days
Expected volatility (percent) | 42.00% | 31.00% | 38.00% | 32.00%
Weighted average fair value at grant date (usd per share) | $ 66.00 | $ 87.35 | $ 73.51 | $ 78.17
Employee Stock Purchase Program [Abstract] |  |  |  |
Risk-free interest rate | 3.40% | 0.80% | 2.50% | 0.80%
Expected term (in years) | 3 years | 3 years 9 months 18 days | 3 years 2 months 12 days | 4 years 1 month 6 days
Expected volatility (percent) | 42.00% | 31.00% | 38.00% | 32.00%
Weighted average fair value at grant date (usd per share) | $ 66.00 | $ 87.35 | $ 73.51 | $ 78.17
ESPP |  |  |  |
Stock Options |  |  |  |
Risk-free interest rate | 2.90% | 0.10% | 2.10% | 0.10%
Expected term (in years) | 1 year 2 months 12 days | 1 year 2 months 12 days | 1 year 2 months 12 days | 1 year 2 months 12 days
Expected volatility (percent) | 40.00% | 29.00% | 39.00% | 29.00%
Weighted average fair value at grant date (usd per share) | $ 75.01 | $ 91.07 | $ 80.61 | $ 89.98
Employee Stock Purchase Program [Abstract] |  |  |  |
Risk-free interest rate | 2.90% | 0.10% | 2.10% | 0.10%
Expected term (in years) | 1 year 2 months 12 days | 1 year 2 months 12 days | 1 year 2 months 12 days | 1 year 2 months 12 days
Expected volatility (percent) | 40.00% | 29.00% | 39.00% | 29.00%
Weighted average fair value at grant date (usd per share) | $ 75.01 | $ 91.07 | $ 80.61 | $ 89.98

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- Definition Stock Options + References No definition available. + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + 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 (f)(2)(iv) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Rate of weighted-average expected volatility for award under share-based payment arrangement. + 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 (f)(2)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + 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 (d)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + 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 (f)(2)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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