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REVENUE RECOGNITION Costs to Obtain and Fulfill Contracts (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Capitalized Contract Cost [Roll Forward]    
Beginning balance $ 7,312 $ 5,992
Costs to obtain and fulfill contracts capitalized 3,047 1,836
Less costs to obtain and fulfill contracts recognized as expense (1,799) (1,475)
Ending balance $ 8,560 $ 6,353