LEASES - Supplemental cash flow information related to leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Leases [Abstract]
Operating cash flows from operating leases	$ 1,928	$ 1,893	$ 5,801	$ 5,652
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 29	$ 582	$ 9,688	$ 65,520