FAIR VALUE MEASUREMENTS - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Jan. 19, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Convertible debt, conversion price (in dollars per share)					$ 8.00
Impairment of digital assets	$ (7,986)	$ (12,552)	$ (212,184)	$ (12,552)
Gain from sales of digital assets	11,036	391	25,007	405
Losses on exchange or disposal of property, plant and equipment	0	0	(13,057)	(17)
Property, plant and equipment, net	1,156,369		1,156,369			$ 597,304
Impairment of property, plant and equipment	59,259	$ 0	59,259	0
Impairment of goodwill and other intangibles	266,000		1,054,760	$ 0
Digital asset mining income
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property, plant and equipment, net	119,800		119,800
Property, plant, and equipment, fair value	60,500		60,500
Impairment of property, plant and equipment	59,300		59,300
Mining Segment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of goodwill and other intangibles	207,800		996,500
Level 3 | Estimate of Fair Value Measurement | Valuation Technique, Discounted Cash Flow
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	293,700		293,700			184,700
Level 3 | Principal | Valuation Technique, Discounted Cash Flow
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	$ 294,800		$ 294,800			$ 171,200
Secured Convertible Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Convertible debt, valuation technique, ratio of minimum payoff at maturity to carry value	2		2
Convertible debt, valuation technique, stock appreciation percentage	60.00%		60.00%
Convertible debt, conversion price, percentage of financing price	80.00%		80.00%
Other Convertible Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Convertible debt, valuation technique, ratio of minimum payoff at maturity to carry value	1		1
Convertible debt, conversion price, percentage of financing price	80.00%		80.00%
Convertible debt, valuation technique, stock depreciation percentage	0.20		0.20
Convertible Notes Mature In April 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Convertible debt, conversion price, percentage of financing price					80.00%
Convertible debt, conversion price (in dollars per share)					$ 8.00