LEASES - Operating and Financing Lease Balances (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 5,804	$ 5,726
Property and equipment, net	1,824	81
Total Leased Assets	7,628	5,807
Operating lease liabilities, current	2,099	1,745
Operating lease liabilities, non-current	4,177	4,413
Deferred revenue, current, and other	291	47
Other liabilities	283	37
Total Lease Liabilities	$ 6,850	$ 6,242