SEGMENT REPORTING - Reconciliation of Reportable Segment Gross Profit to Loss Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting [Abstract]
Gross profit	$ 36,959	$ 31,781	$ 12,717	$ 68,740	$ 82,720
Loss on legal settlement	(85)		0	(85)	0
Gain from sales of digital assets	931		11,808	1,995	13,971
Impairment of digital assets	(1,127)		(150,213)	(2,183)	(204,198)
Impairment of goodwill and other intangibles	0		(790,753)	0	(790,753)
Losses on exchange or disposal of property, plant and equipment	(174)		(13,057)	(174)	(13,057)
Operating expenses:
Research and development	1,640		14,773	3,055	18,113
Sales and marketing	1,084		10,238	2,092	11,636
General and administrative	24,396		90,874	46,160	131,034
Total operating expenses	27,120		115,885	51,307	160,783
Operating income (loss)	9,384	7,602	(1,045,383)	16,986	(1,072,100)
Non-operating expenses (income), net:
Gain on debt extinguishment	0		0	(20,761)	0
Interest (income) expense, net	(36)		27,116	121	48,792
Fair value adjustment on convertible notes	0		(195,061)	0	190,976
Fair value adjustment on derivative warrant liabilities	0		(22,189)	0	(32,464)
Reorganization items, net	18,370		0	49,929	0
Other non-operating expenses (income), net	181		3,876	(2,888)	3,519
Total non-operating expenses (income), net	18,515		(186,258)	26,401	210,823
Loss before income taxes	$ (9,131)	$ (284)	$ (859,125)	$ (9,415)	$ (1,282,923)