LEASES - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash paid for amounts included in measurement of liabilities:
Operating cash flows from operating leases	$ 33	$ 2,067
Operating cash flows from finance leases	790	546
Financing cash flows from finance leases	4,150	3,110
ROU assets obtained in exchange for lease liabilities:
Operating leases		563
Finance leases	$ 1,184	$ 4,327