FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2022

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Convertible Notes

The following presents the levels of the fair value hierarchy for the Company's derivative warrant liabilities and the Convertible Notes by issuance date measured at fair value on a recurring basis as of December 31, 2021 (in thousands):

	December 31, 2021
			Fair value hierarchy
	Principal		Level 1		Level 2		Level 3		Fair value
Convertible notes:
April 19, 20211	$	91,430	$	—	$	—	$	101,078	$	101,078
April 21, 20211	5,137		—		—		5,674		5,674
April 23, 20211	46,229		—		—		51,062		51,062
April 26, 20211	78,075		—		—		86,165		86,165
August 20, 20212	50,597		—		—		50,941		50,941
September 10, 20212	16,110		—		—		16,472		16,472
September 23, 20212	76,051		—		—		77,559		77,559
September 24, 20212	60,016		—		—		61,179		61,179
September 27, 20212	1,974		—		—		2,012		2,012
October 1, 20212	86,655		—		—		87,150		87,150
November 10, 20212	9,823		—		—		9,819		9,819
Accrued PIK interest1,2,3	—		—		—		7,896		7,896
Total convertible notes	$	522,097	$	—	$	—	$	557,007	$	557,007

1 Secured Convertible Notes (includes principal balance at issuance and PIK interest) which considers the minimum payoff at maturity of two times the face value of the note plus accrued interest.

2 Other Convertible Notes (other than the Secured Convertible notes) which considers the minimum payoff at maturity of one times the face value of the note plus accrued interest.

3 Represents PIK interest accrued as of December 31, 2021 which was recorded as additional principal for each respective convertible note on January 1, 2022.

The following presents a rollforward of the activity for the Convertible Notes measured at fair value on a recurring basis using Level 3 inputs as of December 31, 2022 (in thousands):

	Convertible Notes (Level 3)
Balance at December 31, 2021	$	557,007
Issuances (PIK principal recorded)	31,382
Settlements (including interest payments and conversions)	(23,144)
Unrealized gains	186,853
Transfers out of Level 3	(752,098)
Balance at December 31, 2022	$	—