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ACCOUNTS AND OTHER RECEIVABLE, NET (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables, net $ 237,227 $ 235,178
Amounts billed, net    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables, net 217,549 213,560
Unbilled receivables    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total receivables, net $ 19,678 $ 21,618