LEASES - Operating and Financing Lease Balances (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease right-of-use assets	$ 5,198	$ 5,457
Property and equipment, net	1,650	1,907
Total Leased Assets	6,848	7,364
Operating lease liabilities, current	2,227	2,087
Operating lease liabilities, non-current	$ 3,509	$ 3,858
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Deferred revenue, non-current	Deferred revenue, non-current
Deferred revenue, current, and other	$ 200	$ 295
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other liabilities	Other liabilities
Other liabilities	$ 331	$ 261
Total Lease Liabilities	$ 6,267	$ 6,501
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property and equipment, net	Property and equipment, net