SHAREHOLDERS' EQUITY AND SHARE-BASED COMPENSATION - Weighted Average Fair Value of Stock Options Granted and Total Intrinsic Value of Stock Options (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Weighted average fair value of stock options granted and total intrinsic value of stock options exercised
Grant date fair value of stock options that vested	$ 1,203	$ 2,730

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Balance Type:	credit
Period Type:	duration