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ACCOUNTS RECEIVABLE, NET OF ALLOWANCE FOR CREDIT LOSSES (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]      
Balance at beginning of period $ 2,333 $ 1,468 $ 931
Additions - charged to expense 1,896 1,971 1,360
Deductions - bad debts written off, net of recoveries (953) (1,295) (823)
Balance at end of period 3,276 2,333 1,468
Cumulative effect of new accounting principle      
Accounts Receivable, Allowance for Credit Loss [Roll Forward]      
Balance at beginning of period $ 0 189 0
Balance at end of period   $ 0 $ 189