LEASES - Operating and Financing Lease Balances (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease right-of-use assets	$ 5,988	$ 5,726
Property and equipment, net	1,815	81
Total Leased Assets	7,803	5,807
Operating lease liabilities, current	2,108	1,745
Operating lease liabilities, non-current	4,341	4,413
Deferred revenue, current, and other	307	47
Other liabilities	318	37
Total Lease Liabilities	$ 7,074	$ 6,242