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STOCK-BASED COMPENSATION - Restricted Share Units Activity (Details) - Restricted share units $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares
Number of Shares
Beginning balance at January 1, 2021 (in shares) | shares	749
Granted (in shares) | shares	388
Exercised/Released (in shares) | shares	(197)
Canceled/Forfeited (in shares) | shares	(82)
Reinvested (in shares) | shares	11
Ending balance at December 31, 2021 (in shares) | shares	869
Weighted Grant Date Fair Value Per Share
Beginning balance at January 1, 2021 (in dollars per share) | $ / shares	$ 23.42
Granted (in dollars per share) | $ / shares	18.63
Exercised/Released (in dollars per share) | $ / shares	16.81
Canceled/Forfeited (in dollars per share) | $ / shares	19.82
Reinvested (in dollars per share) | $ / shares	21.34
Ending balance at December 31, 2021 (in dollars per share) | $ / shares	$ 23.10
Outstanding, aggregate intrinsic value | $	$ 15,370

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Number of non-option equity instruments exercised by participants.

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