LEASES - Supplemental cash flow information related to leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 2,585	$ 1,936	$ 3,873	$ 3,759
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 798	$ 4,689	$ 9,659	$ 64,938