LEASES - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Sep. 01, 2020	Feb. 14, 2020
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 13,800,000	$ 10,700,000
Finance lease	0			$ 0
Operating Lease, Right-of-Use Asset	103,186,000	61,327,000
Operating Lease Liability	$ 106,502,000	$ 64,259,000
Santander [Member]
Lessee, Lease, Description [Line Items]
Operating Lease, Right-of-Use Asset			$ 52,100,000
Operating Lease Liability			$ 52,100,000
Minimum [Member]
Lessee, Lease, Description [Line Items]
Lease terms	2 years
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lease terms	30 years
Lessee, Operating Lease, Renewal Term	7 years