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REVENUE RECOGNITION - Remaining Performance Obligations (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
REVENUE RECOGNITION    
Revenue remaining performance obligation $ 22,700  
Customer deposits 14,137 $ 1,480
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-01-01    
REVENUE RECOGNITION    
Revenue remaining performance obligation $ 18,200  
Expected timing of satisfaction period 12 months