LEASES - Lease Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year	$ 3,593
Lessee, Operating Lease, Liability, to be Paid, Year Two	7,247
Lessee, Operating Lease, Liability, to be Paid, Year Three	7,381
Lessee, Operating Lease, Liability, to be Paid, Year Four	7,444
Lessee, Operating Lease, Liability, to be Paid, Year Five	7,127
Lessee, Operating Lease, Liability, to be Paid, after Year Five	64,734
Lessee, Operating Lease, Liability, to be Paid	97,526
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	20,869
Operating Lease, Liability	$ 76,657	$ 64,300