DEBT - Narrative (Details) $ / shares in Units, $ in Thousands			1 Months Ended			3 Months Ended		9 Months Ended
	Mar. 01, 2023 USD ($) shares	Dec. 01, 2021 USD ($) shares	Mar. 31, 2023 USD ($) $ / shares shares	Oct. 31, 2022 USD ($) tranche $ / shares shares	Jul. 31, 2022 USD ($) tranche $ / shares shares	Sep. 30, 2023 USD ($) $ / shares	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) $ / shares	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	May 31, 2021
DEBT
Repayment of debt, percent						25.00%		25.00%
Issuance of stock (in shares) | shares	40,764,706			7,481,747
Issuance costs						$ 0	$ 38	$ 0	$ 38
Fair value of term loan						$ 135,100		$ 135,100
Operating lease, term of lease					8 years						5 years
Warrants issued to lenders (in shares) | shares				2,667,678
Exercise price of warrants (in dollars per share) | $ / shares				$ 1.93		$ 0.58		$ 0.58
Amortization of debt issuance costs, commitment fees and accretion of debt discount								$ 14,316	7,468
Capitalized interest costs						$ 0	$ 1,900	2,200	$ 4,300
Warrant agreement
DEBT
Proceeds from additional capital raise								5,000
Warrant agreement | Penny Warrants
DEBT
Warrants issued to lenders (in shares) | shares			27,759,265
Exercise price of warrants (in dollars per share) | $ / shares			$ 0.01
Percentage of common stock on fully diluted equity			10.00%
Warrant agreement | Dollar Warrants
DEBT
Warrants issued to lenders (in shares) | shares			13,879,630
Exercise price of warrants (in dollars per share) | $ / shares			$ 1.00
Percentage of common stock on fully diluted equity			5.00%
Delayed Draw Term Loan
DEBT
Allocated fair value of equity included in the issuance of loan				$ 2,900
Effective interest rate of debt				25.10%
Number of tranches | tranche				2
Number of separate increments | tranche				2
Percentage of additional shares received on conversion of additional warrants per each tranche				1.875%
Number of separate sub-tranches | tranche				2
Delayed Draw Term Loan | First Tranche
DEBT
Debt instrument face amount, per tranche				$ 7,500
Delayed Draw Term Loan | Second Tranche
DEBT
Debt instrument face amount, per tranche				7,500
First Amendment Term Loan
DEBT
Amortization of debt issuance costs, commitment fees and accretion of debt discount						6,000		16,000
Interest expense						6,000		14,300
Capitalized interest in property, plant and equipment						0		1,200
Capitalized interest costs						0
Nautilus Joint Venture
DEBT
Issuance of stock (in shares) | shares		839,398
Percentage to outstanding shares		1.50%
One Term Loan Investor, NovaWulf Digital Master Fund, L.P. | Nautilus Joint Venture
DEBT
Issuance costs		$ 4,000
Allocated fair value of equity included in the issuance of loan		25,700
Upfront fee considered as debt discount		29,800
Loans Payable
DEBT
Loan amount		$ 123,500
Fair value of term loan						1,100		1,100
Amount of fair value included in debt discount						$ 4,100		$ 4,100
Effective interest rate of debt		12.90%
Loans Payable | Term Sheet
DEBT
Repayments of debt			$ 40,000
Loans Payable | Minimum | Term Sheet
DEBT
Proceeds from issuance of equity			$ 33,500
Loans Payable | Nautilus Joint Venture
DEBT
Upfront fee		$ 1,200
Loans Payable | One Term Loan Investor, NovaWulf Digital Master Fund, L.P. | Nautilus Joint Venture
DEBT
Interest rate		11.50%
Interest rate in case default		13.50%
Prepayment incremental amount		$ 5,000
Prepayment fees after 1st anniversary		3.00%
Prepayment fees after 2nd anniversary		2.00%
New Term Facility
DEBT
Funds drawn at closing					$ 15,000
Percentage of cash interest					8.50%
Issuance costs					$ 1,500
Upfront fee					100
Additional term loan facility					$ 50,000
Number of tranches | tranche					3
Warrants issued to lenders (in shares) | shares					5,787,732
Exercise price of warrants (in dollars per share) | $ / shares					$ 0.01
Percentage of outstanding common stock					5.00%
New Term Facility | Corporate Joint Venture
DEBT
Percentage of ownership interest					25.00%
New Term Facility | Second Tranche
DEBT
Warrants issued as a percentage of diluted equity					3.75%
Value of warrants					$ 15,000
New Term Facility | Third Tranche
DEBT
Warrants issued as a percentage of diluted equity					4.25%
Value of warrants					$ 20,000
New Term Facility | Maximum
DEBT
Remaining line of credit					$ 35,000
First Amendment Term Loan
DEBT
Effective interest rate of debt						13.10%		13.10%
Percentage of outstanding common stock					2.00%
Capitalized interest costs								$ 500
First Amendment Term Loan | Interest Expense
DEBT
Third-party fees								400
Fees paid to lenders and the allocated value of the common stock warrants								3,500
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
Delayed Draw Term Loan | Delayed Draw Term Loan
DEBT
Loan amount				$ 15,000
Fifth Amendment Term Loan
DEBT
Effective interest rate of debt	19.70%
Fifth Amendment Term Loan | Interest Expense
DEBT
Fees paid to lenders and the allocated value of the common stock warrants	$ 16,000
Term loan | NovaWolf Digital Master Fund & NovaWulf digital Private Fund
DEBT
Loan amount						$ 2,000		$ 2,000		$ 15,700