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PROPERTY AND EQUIPMENT, NET - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment [Abstract]      
Depreciation expense $ 25.5 $ 23.4 $ 21.2
Payment for construction to expand building $ 9.9 $ 20.8