DEBT - LGSA (Details)			1 Months Ended		3 Months Ended		6 Months Ended
	Mar. 01, 2023 USD ($) $ / shares shares	Dec. 01, 2021 USD ($) shares	Oct. 31, 2022 USD ($) tranche $ / shares shares	Jul. 31, 2022 USD ($) tranche $ / shares shares	Jun. 30, 2023 USD ($) $ / shares	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) $ / shares	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Mar. 31, 2022	May 31, 2021
DEBT
Common stock offering, net of issuance costs (in shares) | shares	40,764,706		7,481,747
Debt issuance costs and debt discount, unamortized					$ 27,177,000		$ 27,177,000		$ 21,095,000
Amortization of debt issuance costs, commitment fees and accretion of debt discount							8,307,000	$ 4,435,000
Fair value of term loan					$ 135,100,000		$ 135,100,000
Operating lease, term of lease				8 years							5 years
Exercise price of warrants (in dollars per share) | $ / shares			$ 1.93		$ 0.56		$ 0.56
Warrants issued to lenders | shares			2,667,678
Capitalized interest costs					$ 1,200,000	$ 1,600,000	$ 2,200,000	$ 2,400,000
Warrant exercise price (in dollars per share) | $ / shares			$ 1.93		$ 0.56		$ 0.56
Warrant agreement
DEBT
Proceeds from additional capital raise							$ 5,000,000.0
Warrant agreement | Penny Warrants
DEBT
Exercise price of warrants (in dollars per share) | $ / shares	$ 0.01
Warrants issued to lenders | shares	27,759,265
Percentage of common stock on fully diluted equity	10.00%
Warrant exercise price (in dollars per share) | $ / shares	$ 0.01
Warrant agreement | Dollar Warrants
DEBT
Exercise price of warrants (in dollars per share) | $ / shares	$ 1.00
Warrants issued to lenders | shares	13,879,630
Percentage of common stock on fully diluted equity	5.00%
Warrant exercise price (in dollars per share) | $ / shares	$ 1.00
Delayed Draw Term Loan
DEBT
Allocated fair value of equity included in the issuance of loan			$ 2,900,000
Effective interest rate of debt			25.10%
Number of tranches | tranche			2
Number of separate increments | tranche			2
Number of separate sub-tranches | tranche			2
Debt instrument face amount tranches			$ 7,500,000
Additional warrants			3.75%
Conversion of additional warrants			1.875%
Delayed Draw Term Loan | First Tranche
DEBT
Debt instrument face amount tranches			$ 7,500,000
Delayed Draw Term Loan | Second Tranche
DEBT
Debt instrument face amount tranches			7,500,000
First Amendment Term Loan
DEBT
Amortization of debt issuance costs, commitment fees and accretion of debt discount					$ 5,400,000		10,000,000.0
Interest expense					4,800,000		8,300,000
Capitalized interest in property, plant and equipment					654,000		1,200,000
Capitalized interest costs					0
Nautilus Joint Venture
DEBT
Common stock offering, net of issuance costs (in shares) | shares		839,398
Percentage to outstanding shares		1.50%
One Term Loan investor, NovaWulf Digital Master Fund, L.P.
DEBT
Loan amount				$ 13,000,000.0
Upfront fee		$ 15,000,000.0
One Term Loan investor, NovaWulf Digital Master Fund, L.P. | Delayed Draw Term Loan
DEBT
Loan amount			900,000
One Term Loan investor, NovaWulf Digital Master Fund, L.P. | Nautilus Joint Venture
DEBT
Issuance costs		4,000,000.0
Upfront fee considered as debt discount		29,800,000
Allocated fair value of equity included in the issuance of loan		$ 25,700,000
Amortization period of debt costs and discount over term of debt		3 years
Term Loan
DEBT
Loan amount		$ 123,500,000
Allocated fair value of equity included in the issuance of loan					4,100,000		4,100,000
Fair value of term loan					1,100,000		1,100,000
Amount of fair value included in debt discount					$ 4,100,000		4,100,000
Effective interest rate of debt		12.90%
Term Loan | Term Sheet
DEBT
Repayments of Debt	$ 40,000,000.0
Term Loan | Minimum | Term Sheet
DEBT
Aggregate net proceeds issuance of equity or equity-linked securities	$ 33,500,000						$ 33,500,000
Term Loan | Nautilus Joint Venture
DEBT
Upfront fee		$ 1,200,000
Term Loan | One Term Loan investor, NovaWulf Digital Master Fund, L.P. | Nautilus Joint Venture
DEBT
Quarterly periodic payment as a % of the original amount		$ 12.5
Interest rate		11.50%
Interest rate in case default										13.50%
Prepayment incremental amount		$ 5.0
Prepayment fees after 1st anniversary		3.00%
Prepayment fees after 2nd anniversary		2.00%
New Term Facility
DEBT
Upfront fee				125,000
Issuance costs				$ 1,500,000
Amortization period of debt costs and discount over term of debt				121 days
Percentage of cash interest				8.50%
Percentage of prepayment penalty				3.00%
Additional term loan facility				$ 50,000,000.0
Funds drawn at closing				$ 15,000,000.0
Operating lease, term of lease				8 years							5 years
Exercise price of warrants (in dollars per share) | $ / shares				$ 0.01
Warrants issued to lenders | shares				5,787,732
Number of tranches | tranche				3
Percentage of outstanding common stock				5.00%
Warrant exercise price (in dollars per share) | $ / shares				$ 0.01
New Term Facility | Nautilus joint venture
DEBT
Percentage of ownership interest				25.00%
New Term Facility | Second Tranche
DEBT
Percentage of original principal amount borrowed				12.50%
Warrants issued as a percentage of diluted equity				3.75%
Value of warrants				$ 15,000,000.0
New Term Facility | Third Tranche
DEBT
Percentage of original principal amount borrowed				37.50%
Warrants issued as a percentage of diluted equity				4.25%
Value of warrants				$ 20,000,000.0
New Term Facility | Maximum
DEBT
Remaining line of credit				35,000,000
First Amendment Term Loan
DEBT
Loan amount				$ 1,800,000
Effective interest rate of debt					13.10%		13.10%
Percentage of outstanding common stock				2.00%
Capitalized interest costs							$ 452,000
Debt discount and debt issuance costs					$ 27,200,000		27,200,000		$ 21,100,000
First Amendment Term Loan | Interest Expense.
DEBT
Third-party fees							445,000
Fees paid to lenders and the allocated value of the common stock warrants							$ 3,500,000
Delayed Draw Term Loan
DEBT
Percentage of outstanding common stock				3.00%
Fees paid to lenders and the fair value of the common stock warrants				$ 3,400,000
Delayed Draw Term Loan | Delayed Draw Term Loan
DEBT
Loan amount			$ 15,000,000.0
Fifth Amendment Term Loan
DEBT
Effective interest rate of debt	18.80%
Fifth Amendment Term Loan | Interest Expense.
DEBT
Fees paid to lenders and the allocated value of the common stock warrants	$ 16,000,000.0