REVENUES FROM CONTRACTS WITH CUSTOMERS - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenue from Contract with Customer [Abstract]
Contract liability	$ 8.8	$ 12.2
Contract acquisition costs weighted average estimated period (in years)	6 years 4 months 24 days
Amortized deferred sales incentive cost	$ 10.6	$ 9.1	$ 6.9