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PROPERTY AND EQUIPMENT, NET Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Abstract]      
Depreciation expense $ 7.3 $ 8.3 $ 8.6
Unamortized capitalized software costs $ 0.8 $ 0.7