SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)	1 Months Ended	12 Months Ended
	Dec. 31, 2024 USD ($) renewal_option supplier miningPoolOperator $ / shares shares	Dec. 31, 2024 USD ($) segment renewal_option supplier miningPoolOperator $ / shares shares	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($) $ / shares	Oct. 31, 2024	Jan. 01, 2024 USD ($)	Oct. 31, 2022 $ / shares	Dec. 31, 2021 MW
Significant Accounting Policies [Line Items]
Revenue		$ 140,051,000	$ 69,229,000	$ 15,033,000
Quoted price of bitcoin	$ 38,000	$ 38,000
Lease not yet commenced, term	10 years	10 years
Lease not yet commenced, number of renewal options | renewal_option	2	2
Lease not yet commenced, renewal option term	5 years
Power curtailment credits		$ 8,600,000	3,500,000	100,000
Cash and cash equivalents	$ 274,065,000	274,065,000	54,439,000
Cash exceeding FDIC limit	4,700,000	4,700,000
Decrease in accumulated deficit	$ (332,276,000)	(332,276,000)	(259,895,000)
Gain on fair value of digital currency, net		2,200,000	0	0
Impairment of digital currency		$ 0	3,043,000	1,457,000
Number suppliers for bitcoin miners | supplier	2	2
Number of mining pool operators | miningPoolOperator	1	1
Deposits on miners		$ 53,900,000	36,500,000
Impairment of long-lived assets		$ 0	0	0
Percentage of changes In debt value and net presents value of future cash flows		10.00%
Interest and penalties in relation to settlement value of unrecognized tax benefits	$ 0	$ 0	0	$ 0
Number of common stock issued upon conversion of preferred stock (in shares) | shares	1,300,000	1,300,000
Warrants outstanding (in shares) | shares	17,266,733	17,266,733
Exercise price of warrants (in dollars per share) | $ / shares	$ 1.38	$ 1.38		$ 0.01			$ 1.93
Number of operating segments | segment		1
Number of reportable segments | segment		1
Net loss		$ 72,418,000	73,421,000	$ 90,791,000
Reportable Segment
Significant Accounting Policies [Line Items]
Net loss		72,400,000	73,400,000	90,800,000
Nautilus Joint Venture | Related Party
Significant Accounting Policies [Line Items]
Ownership interest in the joint venture					25.00%
Cumulative Effect, Period of Adoption, Adjusted Balance
Significant Accounting Policies [Line Items]
Decrease in accumulated deficit						$ 37,000
Crypto Mining
Significant Accounting Policies [Line Items]
Revenue		139,300,000	61,700,000	10,500,000
Data Center Hosting
Significant Accounting Policies [Line Items]
Revenue		$ 800,000	$ 7,500,000	$ 4,600,000
Nautilus
Significant Accounting Policies [Line Items]
Maximum operating capacity | MW								300
Data center hosting customer | Revenue Benchmark | Customer Concentration Risk
Significant Accounting Policies [Line Items]
Concentration risk percentage			10.90%	20.80%
Restricted Stock Units (RSUs)
Significant Accounting Policies [Line Items]
Number of shares outstanding (in shares) | shares	4,312,764	4,312,764
Digital Currency
Significant Accounting Policies [Line Items]
Impairment of digital currency			$ 3,000,000.0	$ 1,500,000
Equipment
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	5 years	5 years
Miners
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	4 years	4 years
Leasehold Improvements and Electrical Equipment
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life	25 years	25 years