DISCONTINUED OPERATIONS - Balance Sheet Disclosures by Disposal Groups (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
ASSETS
Total current assets	$ 92,494	$ 84,116
LIABILITIES AND EQUITY
Liabilities held for sale, current	35,507	37,645
Held-for-sale | UMO business
ASSETS
Accounts receivable, net	15,135	9,583
Inventory	9,014	5,548
Prepaid expenses	1,953	450
Total current assets	26,102	15,581
Fixed assets, at cost	66,065	63,837
Less accumulated depreciation	(34,388)	(32,045)
Fixed assets, net	31,677	31,792
Finance lease right-of-use assets	0	813
Operating lease right-of use assets	27,995	28,260
Intangible assets, net	6,236	7,107
Other assets	484	563
Assets held for sale	92,494	84,116
LIABILITIES AND EQUITY
Accounts payable	6,156	7,764
Accrued expenses	1,355	1,324
Finance lease liability-current	0	296
Operating lease liability-current	27,996	28,261
Liabilities held for sale, current	$ 35,507	$ 37,645