SEGMENT REPORTING - Reconciliation of Reportable Segment Gross Profit to Loss Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting [Abstract]
Reportable segment gross profit (loss)	$ 15,419	$ 31,781	$ (27,076)	$ 84,159	$ 55,644
Gain from sales of digital assets	363		11,036	2,358	25,007
Impairment of digital assets	(681)		(7,986)	(2,864)	(212,184)
Impairment of goodwill and other intangibles	0		(268,512)	0	(1,059,265)
Impairment of property, plant and equipment	0		(59,259)	0	(59,259)
Losses on exchange or disposal of property, plant and equipment	(340)		0	(514)	(13,057)
Operating expenses:
Research and development	2,253		6,192	5,308	24,305
Sales and marketing	1,041		39	3,133	11,675
General and administrative	23,511		43,346	69,671	174,380
Total operating expenses	26,805		49,577	78,112	210,360
Operating (loss) income	(12,044)	7,602	(401,374)	5,027	(1,473,474)
Non-operating expenses, net:
Gain on debt extinguishment	(374)		0	(21,135)	0
Interest expense, net	2,196		25,942	2,317	74,734
Fair value adjustment on convertible notes	0		(4,123)	0	186,853
Fair value adjustment on derivative warrant liabilities	0		(521)	0	(32,985)
Reorganization items, net	28,256		0	78,270	0
Other non-operating (income) expenses, net	(1,090)		1,478	(3,978)	4,997
Total non-operating expenses, net	28,988		22,776	55,474	233,599
Loss before income taxes	$ (41,032)	$ (284)	$ (424,150)	$ (50,447)	$ (1,707,073)