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RELATED PARTY TRANSACTIONS (Details) $ in Thousands							3 Months Ended		9 Months Ended		10 Months Ended
RELATED PARTY TRANSACTIONS (Details) $ in Thousands	Oct. 09, 2025 USD ($) shares	Jul. 02, 2025 USD ($) shares	Apr. 08, 2025 USD ($) shares	Jan. 29, 2025 USD ($) shares	Jan. 24, 2025 USD ($)	Apr. 10, 2024 USD ($) a ft² MW	Sep. 30, 2025 USD ($) a MW	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) a MW	Sep. 30, 2024 USD ($)	Nov. 12, 2025 USD ($) shares	Aug. 01, 2025 ft² a	May 28, 2025 a	Dec. 31, 2024 USD ($)
Related Party Transaction [Line Items]
Area of land (in acres) \| a						12	152		152			5.6	34
Warehouse space (in square feet) \| ft²						73,000						73,000
Purchase price of land						$ 1,450
Power associated with acquired facility \| MW						32.5
Miners deployed to new facility \| MW							8.5		8.5
Interest expense							$ 244	$ 1,832	$ 3,857	$ 5,439
Debt Exchange Agreements
Related Party Transaction [Line Items]
Total cumulative shares, maximum percentage allowed for issue					19.99%
Interest expense							200		500
Common Class A \| Debt Exchange Agreements
Related Party Transaction [Line Items]
Issuance of shares in connection with equity interest payment agreement (in shares) \| shares		131,937	90,954	752,742
Stock issued during period, value, debt modification amendment fee		$ 200	$ 100	$ 1,400
Common Class A \| Debt Exchange Agreements \| Subsequent Event
Related Party Transaction [Line Items]
Issuance of shares in connection with equity interest payment agreement (in shares) \| shares	102,286										1,077,919
Stock issued during period, value, debt modification amendment fee	$ 200										$ 1,900
Letter of Credit \| Debt Exchange Agreements
Related Party Transaction [Line Items]
Interest rate					8.50%
Atlas Holdings LLC \| Debt Exchange Agreements
Related Party Transaction [Line Items]
Letters of credit outstanding					$ 8,600
NYSDEC \| Atlas Holdings LLC
Related Party Transaction [Line Items]
Letters of credit outstanding							5,000		5,000					$ 5,000
Empire Pipeline Incorporated \| Atlas Holdings LLC
Related Party Transaction [Line Items]
Letters of credit outstanding							$ 3,600		$ 3,600					$ 3,600
Greenidge Generation Holdings Inc \| Atlas Holdings LLC And Affiliates
Related Party Transaction [Line Items]
Voting power of outstanding capital stock (as percent)							70.00%		70.00%