LEASES - Supplemental Lease Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating cash flow information:
Cash paid for amounts included in the measurement of lease liabilities	$ 1,692	$ 1,655
Non-cash activity:
Right-of-use assets obtained in exchange for operating lease obligations	$ 22,188	$ 7,661