SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($) bitcoinMiner h miningPoolOperator $ / shares MW shares	Sep. 30, 2023 USD ($) MW	Sep. 30, 2024 USD ($) operatingSegment dataCenterHostingContract bitcoinMiner h miningPoolOperator $ / shares MW shares	Sep. 30, 2023 USD ($) MW	Jan. 01, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($) $ / shares	Oct. 31, 2022 $ / shares
Significant Accounting Policies [Line Items]
Crypto asset, mining pool, contract term | h	24		24
Number of data center hosting contracts | dataCenterHostingContract			1
Quoted price of bitcoin	$ 38,000		$ 38,000
Miner hosting revenue	0	$ 1,800,000	800,000	$ 5,800,000
Power curtailment credits	4,100,000	1,700,000	7,300,000	2,500,000
Cash, cash equivalents, restricted cash, and restricted cash equivalents	23,938,000	6,595,000	23,938,000	6,595,000		$ 54,439,000	$ 8,323,000
Cash exceeding FDIC limit	10,700,000		10,700,000
Accumulated deficit	(303,080,000)		(303,080,000)			$ (259,895,000)
Gain on fair value of digital currency, net	1,000,000.0		1,600,000
Impairment	$ 0	$ 922,000	$ 0	$ 2,231,000
Number suppliers for bitcoin miners | bitcoinMiner	2		2
Number of mining pool operators | miningPoolOperator	1		1
Power block allocated to facility | MW	2.5	2.5	2.5	2.5
Colocation pilot program | MW			20
Critical IT load with liquid cooling and redundancy requirements | MW			16
Short-swing profits arising from trades		$ 0		$ 39,000
Number of common stock issued upon conversion of preferred stock (in shares) | shares	1,200,000		1,200,000
Warrants outstanding (in shares) | shares	17,585,781		17,585,781
Exercise price of warrants (in dollars per share) | $ / shares	$ 1.39		$ 1.39				$ 0.01	$ 1.93
Number of operating segments | operatingSegment			1
Crypto Mining
Significant Accounting Policies [Line Items]
Revenues	$ 27,100,000	$ 17,200,000	$ 104,300,000	$ 40,100,000
Restricted Stock Units (RSUs)
Significant Accounting Policies [Line Items]
Number of shares outstanding (in shares) | shares	4,240,313		4,240,313
Data center hosting customer | Revenue Benchmark | Customer Concentration Risk
Significant Accounting Policies [Line Items]
Concentration risk percentage		9.50%		12.70%
Cumulative Effect, Period of Adoption, Adjusted Balance
Significant Accounting Policies [Line Items]
Accumulated deficit					$ 37,000