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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