SEGMENT REPORTING - Reconciliation of Reportable Segment Gross Profit to Loss Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting [Abstract]
Gross profit	$ 20,484	$ 70,003
Gain from sales of digital assets	1,064	2,163
Impairment of digital assets	(1,056)	(53,985)
Operating expenses:
Research and development	1,415	3,340
Sales and marketing	1,008	1,398
General and administrative	21,764	40,160
Total operating expenses	24,187	44,898
Operating loss	(3,695)	(26,717)
Non-operating expenses, net:
Gain on debt extinguishment	(20,761)	0
Interest expense, net	157	21,676
Fair value adjustment on convertible notes	0	386,037
Fair value adjustment on derivative warrant liabilities	0	(10,275)
Reorganization items, net	31,559	0
Other non-operating (income), net	(3,069)	(357)
Total non-operating expenses, net	7,886	397,081
Loss before income taxes	$ (11,581)	$ (423,798)