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 for operating leases	$ 3,250	$ 2,881
Operating cash flows for finance lease	139	157
Financing cash flows for finance lease	$ 369	$ 403