LEASES - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 13,714	$ 13,941
Right-of-use assets obtained in exchange for lease liabilities
Right-of-use assets obtained in exchange for lease liabilities	$ 4,986	$ 8,889