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REVENUE RECOGNITION Deferred Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Change in Contract with Customer, Liability [Roll Forward]    
Beginning balance $ 11,529 $ 8,130
Deferred revenue recorded 9,263 5,847
Less deferred revenue recognized as revenue (6,661) (5,144)
Ending balance $ 14,131 $ 8,833