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BUSINESS COMBINATION AND REVERSE RECAPITALIZATION - Common Shares Issued and Outstanding (Details) - USD ($) $ in Thousands		12 Months Ended
	Nov. 17, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Total outstanding (shares)	149,308,637	177,706,608	177,816,554
Total issued (shares)	149,308,637	177,706,608	177,816,554
Payment of underwriting and transaction costs		$ 0	$ 0	$ 40,325
Shenghe
Business Acquisition [Line Items]
Shares issued, warrant exercised	5,384,563
FVAC public stockholders
Business Acquisition [Line Items]
Total outstanding (shares)	34,464,151
Total issued (shares)	34,464,151
Gross proceeds sale of shares	$ 344,700
Net proceeds sale of shares	332,600
Payment of underwriting and transaction costs	$ 12,100
Private Placement Warrants
Business Acquisition [Line Items]
Total outstanding (shares)	890,000
Total issued (shares)	890,000
MPMO unitholders
Business Acquisition [Line Items]
Total outstanding (shares)	71,941,538
Total issued (shares)	71,941,538
SNR unitholders
Business Acquisition [Line Items]
Total outstanding (shares)	19,999,942
Total issued (shares)	19,999,942
PIPE Financing
Business Acquisition [Line Items]
Total outstanding (shares)	20,000,000
Total issued (shares)	20,000,000
Restricted stock issued to certain MPMO executives
Business Acquisition [Line Items]
Total outstanding (shares)	2,013,006
Total issued (shares)	2,013,006

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