ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Other assets	$ 9,220	$ 11,977
Deposits for building leases	1,900	2,200
Deposit assets	2,400	2,600
Indefinite lived intangible assets	200		$ 200
Operating Lease, Right-of-Use Asset	4,700	6,900
Prepaid Inventory	$ 1,300	$ 800