DEBT AND FINANCE LEASE LIABILITIES - Debt Conversion (Details) - Convertible Notes Payable $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) $ / shares shares
Series A Notes
Debt Instrument [Line Items]
Shares of common stock issued for conversions (in shares) | shares	21,785,618
Average conversion price (in dollars per share) | $ / shares	$ 2.41
Series A Notes | Principal balance converted
Debt Instrument [Line Items]
Conversion of convertible note	$ 50,000
Series A Notes | Make-whole interest converted
Debt Instrument [Line Items]
Conversion of convertible note	$ 2,500
Series B-1 Notes
Debt Instrument [Line Items]
Shares of common stock issued for conversions (in shares) | shares	21,127,720
Average conversion price (in dollars per share) | $ / shares	$ 1.24
Series B-1 Notes | Principal balance converted
Debt Instrument [Line Items]
Conversion of convertible note	$ 25,000
Series B-1 Notes | Make-whole interest converted
Debt Instrument [Line Items]
Conversion of convertible note	$ 1,250
Series B-2 Notes
Debt Instrument [Line Items]
Shares of common stock issued for conversions (in shares) | shares	21,758,268
Average conversion price (in dollars per share) | $ / shares	$ 0.72
Series B-2 Notes | Principal balance converted
Debt Instrument [Line Items]
Conversion of convertible note	$ 15,000
Series B-2 Notes | Make-whole interest converted
Debt Instrument [Line Items]
Conversion of convertible note	$ 750
Series B-3 Notes
Debt Instrument [Line Items]
Shares of common stock issued for conversions (in shares) | shares	22,639,159
Average conversion price (in dollars per share) | $ / shares	$ 0.56
Series B-3 Notes | Principal balance converted
Debt Instrument [Line Items]
Conversion of convertible note	$ 12,075
Series B-3 Notes | Make-whole interest converted
Debt Instrument [Line Items]
Conversion of convertible note	$ 604
Series A-1 Notes
Debt Instrument [Line Items]
Shares of common stock issued for conversions (in shares) | shares	128,380,608
Average conversion price (in dollars per share) | $ / shares	$ 1.02
Series A-1 Notes | Principal balance converted
Debt Instrument [Line Items]
Conversion of convertible note	$ 125,000
Series A-1 Notes | Make-whole interest converted
Debt Instrument [Line Items]
Conversion of convertible note	$ 6,250
Series A-2 Notes
Debt Instrument [Line Items]
Shares of common stock issued for conversions (in shares) | shares	35,952,992
Average conversion price (in dollars per share) | $ / shares	$ 1.17
Series A-2 Notes | Principal balance converted
Debt Instrument [Line Items]
Conversion of convertible note	$ 40,000
Series A-2 Notes | Make-whole interest converted
Debt Instrument [Line Items]
Conversion of convertible note	$ 2,000