DISCONTINUED OPERATIONS - Major Classes of Assets and Liabilities to be Transferred (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Assets:
Current assets held for sale	$ 0	$ 6,473
Liabilities:
Current liabilities held for sale	483	3,974
Support Com | Discontinued Operations, Held-for-sale
Assets:
Accounts receivable	0	3,996
Prepaid expenses and other current assets	47	1,253
Current assets held for sale	47	5,249
Property and equipment	0	743
Other assets	454	481
Long-term assets held for sale	454	1,224
Loss on classification to held for sale	(501)	0
Assets held for sale	0	6,473
Liabilities:
Accounts payable	21	191
Accrued expenses	462	3,351
Current liabilities held for sale	483	3,542
Other long-term liabilities	0	432
Long-term liabilities held for sale	0	432
Liabilities held for sale	$ 483	$ 3,974