LEASES - Narrative (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2019
Lessee, Lease, Description [Line Items]
Right-of-use assets	$ 319,785	$ 310,860
Lease liabilities	$ 334,746
ASU 2016-02
Lessee, Lease, Description [Line Items]
Right-of-use assets			$ 265,400
Lease liabilities			$ 273,300