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REVENUE RECOGNITION - Schedule of Assets and Liabilities Associated with Contracts from Customers (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Disaggregation Of Revenue [Line Items]    
Accounts receivable $ 107,639 $ 82,261
Short-term unbilled receivables 8,127  
Short-term deferred revenue 120,864 105,215
Long-term deferred revenue 36,217 $ 57,086
Other Assets [Member]    
Disaggregation Of Revenue [Line Items]    
Long-term unbilled receivables $ 0