STOCK-BASED COMPENSATION - Stock Options Outstanding and Exercisable (Details) shares in Thousands	12 Months Ended
Dec. 31, 2021 $ / shares shares
Options Outstanding
Outstanding at December 31 (shares) \| shares	4,468
Weighted- Average Remaining Contractual Life in Years	4 years 10 months 24 days
Weighted-average exercise price (USD per share)	$ 20.58
Options Exercisable
Exercisable at December 31 (shares) \| shares	4,193
Weighted- Average Remaining Contractual Life in Years	4 years 8 months 12 days
Weighted-average exercise price (USD per share)	$ 19.85
$0.01 to $10.00
Information about stock options outstanding and exercisable
Range of exercise prices, lower limit (USD per share)	0.01
Range of exercise prices, upper limit (USD per share)	$ 10.00
Options Outstanding
Outstanding at December 31 (shares) \| shares	671
Weighted- Average Remaining Contractual Life in Years	4 years 7 months 6 days
Weighted-average exercise price (USD per share)	$ 7.92
Options Exercisable
Exercisable at December 31 (shares) \| shares	631
Weighted- Average Remaining Contractual Life in Years	4 years 3 months 18 days
Weighted-average exercise price (USD per share)	$ 8.38
$10.01 to $20.00
Information about stock options outstanding and exercisable
Range of exercise prices, lower limit (USD per share)	10.01
Range of exercise prices, upper limit (USD per share)	$ 20.00
Options Outstanding
Outstanding at December 31 (shares) \| shares	1,545
Weighted- Average Remaining Contractual Life in Years	4 years 4 months 24 days
Weighted-average exercise price (USD per share)	$ 14.78
Options Exercisable
Exercisable at December 31 (shares) \| shares	1,544
Weighted- Average Remaining Contractual Life in Years	4 years 4 months 24 days
Weighted-average exercise price (USD per share)	$ 14.78
$20.01 to $30.00
Information about stock options outstanding and exercisable
Range of exercise prices, lower limit (USD per share)	20.01
Range of exercise prices, upper limit (USD per share)	$ 30.00
Options Outstanding
Outstanding at December 31 (shares) \| shares	1,794
Weighted- Average Remaining Contractual Life in Years	4 years 10 months 24 days
Weighted-average exercise price (USD per share)	$ 24.62
Options Exercisable
Exercisable at December 31 (shares) \| shares	1,698
Weighted- Average Remaining Contractual Life in Years	4 years 10 months 24 days
Weighted-average exercise price (USD per share)	$ 24.37
$30.01 to $40.00
Information about stock options outstanding and exercisable
Range of exercise prices, lower limit (USD per share)	30.01
Range of exercise prices, upper limit (USD per share)	$ 40.00
Options Outstanding
Outstanding at December 31 (shares) \| shares	152
Weighted- Average Remaining Contractual Life in Years	6 years 1 month 6 days
Weighted-average exercise price (USD per share)	$ 35.58
Options Exercisable
Exercisable at December 31 (shares) \| shares	147
Weighted- Average Remaining Contractual Life in Years	6 years 1 month 6 days
Weighted-average exercise price (USD per share)	$ 35.76
$40.01 to $50.00
Information about stock options outstanding and exercisable
Range of exercise prices, lower limit (USD per share)	40.01
Range of exercise prices, upper limit (USD per share)	$ 50.00
Options Outstanding
Outstanding at December 31 (shares) \| shares	306
Weighted- Average Remaining Contractual Life in Years	7 years 7 months 6 days
Weighted-average exercise price (USD per share)	$ 46.49
Options Exercisable
Exercisable at December 31 (shares) \| shares	173
Weighted- Average Remaining Contractual Life in Years	6 years 2 months 12 days
Weighted-average exercise price (USD per share)	$ 49.12

Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Options Exercisable

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Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Options Outstanding

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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- Definition

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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- Definition

Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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