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REVENUE (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]      
Deferred revenue $ 176,918   $ 173,167
Non-current deferred revenue 1,300   1,300
Deferred revenue recognized during period 141,300 $ 110,700  
Current capitalized sales commissions 3,800   3,500
Non-current capitalized sales commissions $ 6,700   $ 6,200