RELATED PARTY TRANSACTIONS (Details) $ in Thousands		1 Months Ended			12 Months Ended
	Mar. 01, 2023 shares	Sep. 30, 2023 USD ($) shares	Oct. 31, 2022 USD ($) shares	Apr. 30, 2021 USD ($) $ / kWh	Dec. 31, 2024 USD ($) shares	Dec. 31, 2023 USD ($) MW	Dec. 31, 2022 USD ($) MW	Jul. 31, 2024 USD ($)	Jan. 01, 2023 USD ($)	Dec. 31, 2021 USD ($)
RELATED PARTY TRANSACTIONS
Prepaid expenses					$ 2,493	$ 4,540
Other amounts due to related parties					1,391	972
Property, plant and equipment, net					411,869	205,284
Share based liabilities due to related party					0	2,500
Common stock offering, net of issuance costs (in shares) | shares	40,764,706		7,481,747
Common stock offering, net of issuance costs			$ 9,400		189,213	132,542	$ 58,860
Related Party
RELATED PARTY TRANSACTIONS
Selling, general and administrative expenses					12,695	13,325	13,280
Operating expenses					4,262	$ 2,773	$ 1,248
Cryptocurrency load deployment that requires additional share-base award compensation | MW						100	100
Share based liabilities due to related party					$ 0	$ 2,500
Common stock issued for share based liabilities due to related party & stock-based compensation expense and issuance of stock						15,000
Common stock offering, net of issuance costs (in shares) | shares					1,083,189
Common stock offering, net of issuance costs					$ 2,500
Performance Milestone | Related Party
RELATED PARTY TRANSACTIONS
Selling, general and administrative expenses					0	2,900	$ 2,100
Beowulf E&D | Related Party
RELATED PARTY TRANSACTIONS
Annual base fee payable								$ 10,000	$ 8,500
Prepaid expenses					800	700
Other amounts due to related parties					1,400	1,000
Property, plant and equipment, net					800	6,600
Share based liabilities due to related party		$ 15,000
Common stock issued for share based liabilities due to related party & stock-based compensation expense and issuance of stock (in shares) | shares		2,460,513
Common stock issued for share based liabilities due to related party & stock-based compensation expense and issuance of stock		$ 3,400
Increase (decrease) in share-based liabilities due to related party						11,600
Beowulf E&D | Related Party | Performance Shares
RELATED PARTY TRANSACTIONS
Additional awards for every 100MW cryptocurrency mining load										$ 2,500
Beowulf E&D | Services Agreement | Related Party
RELATED PARTY TRANSACTIONS
Term of agreement				5 years
Transaction amount					15,800	20,300	16,900
Selling, general and administrative expenses					12,700	13,300	12,600
Operating expenses					$ 2,500	$ 1,500	$ 500
Deferred compensation arrangement with individual, fair value of shares to be issued										$ 12,500
Beowulf E&D | Development of Bitcoin and Organization and Legal Costs | Related Party
RELATED PARTY TRANSACTIONS
Services agreement, monthly fee in the first year				$ 7,000
Services agreement, annual fee after the first year if higher				$ 10,000
Services agreement, annual fee per kilowatt hour of electric load utilized after the first year if higher | $ / kWh				0.0037