LEASES - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 9,183	$ 9,138
Right-of-use assets obtained in exchange for lease liabilities
Right-of-use assets obtained in exchange for lease liabilities	$ 3,933	$ 5,740