LEASES - Supplemental Balance Sheet Information (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use right	$ 103,186	$ 61,327
Operating Lease Liability	$ 106,502	$ 64,259
Operating lease weighted-average remaining lease term (in years)	8 years 6 months	10 years 9 months 18 days
Operating lease weighted-average discount rate	2.25%	0.0329%