DISCONTINUED OPERATIONS - Major Classes of Assets and Liabilities to be Transferred (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Assets:
Current assets held for sale	$ 1,074		$ 1,074		$ 6,473
Liabilities:
Current liabilities held for sale	1,475		1,475		3,974
Support Com | Discontinued Operations, Held-for-sale
Assets:
Accounts receivable	870		870		3,996
Prepaid expenses and other current assets	879		879		1,253
Current assets held for sale	1,749		1,749		5,249
Property and equipment, net	594		594		743
Other assets	466		466		481
Long-term assets held for sale	1,060		1,060		1,224
Loss on classification to held for sale	0	$ 0	(1,735)	$ 0	0
Assets held for sale	1,074		1,074		6,473
Liabilities:
Accounts payable	82		82		191
Accrued expenses	851		851		3,351
Current liabilities held for sale	933		933		3,542
Other long-term liabilities	542		542		432
Long-term liabilities held for sale	542		542		432
Liabilities held for sale	$ 1,475		$ 1,475		$ 3,974