LEASES, Operating Leases Other Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash Paid for Amounts Included in the Measurement of Lease Liabilities [Abstract]
Operating cash flows used in operating leases	$ 3,866	$ 4,079
Operating cash flows used in finance leases	0	0
Financing cash flows used in finance leases	1	0
Operating Lease Assets Obtained in Exchange for Lease Obligations [Abstract]
Operating leases, initial recognition	317	18,077
Operating leases, modifications and remeasurements	1,340	0
Finance leases, initial recognition	$ 45	$ 0