DISCONTINUED OPERATIONS - Schedule of Non-Cash Items Related to Discontinued Operations (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash Flows From Operating Activities:
Stock-based compensation (income) expense	$ 1,732	$ 2,056
Gain on the sale of the MST Franchise	0	(13,005)
Supplemental disclosure of cash flow information:
Amount due from sale of MST Franchise	$ 0	5,000
Discontinued Operations, Disposed of by Sale | MST Franchise
Cash Flows From Operating Activities:
Stock-based compensation (income) expense		(352)
Gain on the sale of the MST Franchise		(13,005)
Total non-cash items of discontinued operations		$ (13,357)