LEASES - Lease Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year	$ 5,036
Lessee, Operating Lease, Liability, to be Paid, Year One	6,850
Lessee, Operating Lease, Liability, to be Paid, Year Two	6,952
Lessee, Operating Lease, Liability, to be Paid, Year Three	6,647
Lessee, Operating Lease, Liability, to be Paid, Year Four	6,038
Lessee, Operating Lease, Liability, to be Paid, after Year Five	53,150
Lessee, Operating Lease, Liability, to be Paid	84,673
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	17,009
Operating Lease, Liability	$ 67,664	$ 71,700