LEASES - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Cash paid for amounts included in measurement of liabilities:
Operating cash flows from operating leases	$ 190	$ 287
Operating cash flows from finance leases	2,584	3,264
Financing cash flows from finance leases	1,672	31,519
ROU assets obtained in exchange for lease liabilities:
Operating leases	1,355	23,074
Finance leases	$ 17,070	$ 8,481