LEASES - Narrative (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) renewal_options	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Number of renewal options | renewal_options		1
Operating lease right-of-use assets		$ 87,892		$ 25,519
Present value of lease liabilities		$ 92,572		$ 28,200
Rental income	$ 100		$ 300
Minimum
Lessee, Lease, Description [Line Items]
Renewal term		2 years
Maximum
Lessee, Lease, Description [Line Items]
Renewal term		5 years
Principal Executive Offices
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets		$ 65,700
Present value of lease liabilities		$ 65,700