LEASES - Operating and Financing Lease Balances (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 5,457	$ 5,726
Property and equipment, net	1,907	81
Total Leased Assets	7,364	5,807
Operating lease liabilities, current	2,087	1,745
Operating lease liabilities, non-current	3,858	4,413
Deferred revenue, current, and other	295	47
Other liabilities	261	37
Total Lease Liabilities	$ 6,501	$ 6,242