STOCK PLANS AND SHARE BASED COMPENSATION (Option Activity) (Details) - Stock Options - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Option activity under the Plans
Outstanding, shares, beginning of period	92	335	670
Outstanding, weighted-average exercise price, beginning of period (per share)	$ 20.63	$ 19.44	$ 16.21
Granted	0	0	0
Granted	$ 0	$ 0	$ 0
Exercised	(80)	(243)	(335)
Exercised	$ 20.50	$ 18.99	$ 12.98
Forfeited or expired	0	0	0
Forfeited or expired	$ 0	$ 0	$ 0
Outstanding, shares, end of period	12	92	335
Outstanding, weighted-average exercise price, end of period (per share)	$ 21.44	$ 20.63	$ 19.44
Outstanding, weighted-average remaining contractual term (in years)	4 months 6 days
Outstanding, aggregate intrinsic value	$ 857
Vested and Exercisable, shares	12
Exercisable, weighted-average remaining contractual term (in years)	4 months 6 days
Exercisable, aggregate intrinsic value	$ 857
Total intrinsic value of options exercised	$ 4,900	$ 9,100	$ 8,300

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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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.

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Weighted average price of options that were either forfeited or expired.

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Net number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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

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

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Number of share options (or share units) exercised during the current period.

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