LEASES - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 9,328	$ 7,941
Right of use assets obtained in exchange for new operating lease liabilities (non-cash)	$ 0	$ 61,693