ORGANIZATION AND DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Details) $ / shares in Units, ft² in Thousands, $ in Thousands						1 Months Ended				3 Months Ended		9 Months Ended
	Nov. 10, 2021 USD ($) ft² $ / shares shares	Oct. 12, 2021 USD ($) shares	Sep. 30, 2021 USD ($) ft² $ / shares shares	Jul. 23, 2021 USD ($) shares	Oct. 23, 2020 USD ($) $ / shares shares	Oct. 31, 2021 USD ($) shares	Sep. 30, 2021 USD ($) ft² $ / shares shares	Jan. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($) $ / shares shares	Sep. 30, 2021 USD ($) ft² $ / shares shares	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) ft² $ / shares shares	Sep. 30, 2020 USD ($)
Business Acquisition [Line Items]
Warrants to purchase common stock | shares					1,600,000
Warrant exercise price | $ / shares					$ 11.50
Common stock, par value | $ / shares			$ 0.0001		$ 0.0001		$ 0.0001		$ 0.0001	$ 0.0001		$ 0.0001
Exchange ratio					55.8817
Shares issued per share tendered in conversion | shares					1
Shares issued in conversion | shares					7,000,000
Common stock issued (in shares) | shares					50,000,000
Shares issued price per share | $ / shares					$ 10.00
Proceeds from stock issuance					$ 500,000							$ 3,822	$ 6,404
Shares issued upon notes conversion | shares					4,000,000
Value of shares issued upon notes conversion					$ 40,000
Conversion price per share | $ / shares					$ 10.00
Common stock issued for exercise of warrants (in shares) | shares								600,000	2,700,000
Cash proceeds from exercise of warrants								$ 82,000	$ 30,700			82,016
Common stock issued in recapitalization, net of redemptions and transaction costs					$ 644,600
Warrant liability			$ 3,529		100,900		$ 3,529		101,392	$ 3,529		3,529
Cash received in recapitalization, net of transaction costs					701,500
Cash and cash equivalents			233,831				233,831		629,761	233,831		233,831
Accumulated deficit			463,658				$ 463,658		134,441	463,658		463,658
Net loss										95,806	$ 42,498	329,217	62,321
Issuance of common stock, value										$ 2,724		$ 3,822	$ 6,404
Substantial Doubt about Going Concern, within One Year [true false]												true
Equity Funding Agreement With Y A [Member]
Business Acquisition [Line Items]
Common stock issued (in shares) | shares				400,000			3,900,000			3,900,000
Proceeds from stock issuance							$ 20,000
Issuance of common stock, value										$ 20,000
Scenario, Plan [Member]
Business Acquisition [Line Items]
Proceeds from sale of assets			$ 230,000
Warrants to purchase common stock | shares			1,700,000				1,700,000			1,700,000		1,700,000
Warrant exercise price | $ / shares			$ 10.50				$ 10.50			$ 10.50		$ 10.50
Fee for breach of contract			$ 50,000
Sale Of Assets, First Payment Receivable			100,000				$ 100,000			$ 100,000		$ 100,000
Sale Of Assets, Second Payment Receivable			50,000				50,000			50,000		50,000
Sale Of Assets, Third Payment Receivable			$ 50,000				$ 50,000			$ 50,000		$ 50,000
Area of Real Estate Property | ft²			30				30			30		30
Sale Of Assets, Minimum Cash Balance, First Period			$ 100,000				$ 100,000			$ 100,000		$ 100,000
Sale Of Assets, Minimum Cash Balance, Second Period			50,000				50,000			50,000		50,000
Sale Of Assets, Minimum Cash Balance, Third Period			$ 30,000				$ 30,000			$ 30,000		30,000
Scenario, Plan [Member] | Equity Funding Agreement With Y A [Member]
Business Acquisition [Line Items]
Common stock issued (in shares) | shares				400,000,000
Issuance of common stock, value				$ 400,000								$ 380,000
Subsequent Event [Member]
Business Acquisition [Line Items]
Proceeds from sale of assets	$ 230,000
Warrants to purchase common stock | shares	1,700,000
Warrant exercise price | $ / shares	$ 10.50
Common stock issued (in shares) | shares		7,200,000				7,200,000
Proceeds from stock issuance		$ 50,000
Issuance of common stock, value						$ 50,000
Sale Of Assets, First Payment Receivable	$ 100,000
Sale Of Assets, Second Payment Receivable	50,000
Sale Of Assets, Third Payment Receivable	$ 50,000
Area of Real Estate Property | ft²	30
Sale Of Assets, Minimum Cash Balance, First Period	$ 100,000
Sale Of Assets, Minimum Cash Balance, Second Period	50,000
Sale Of Assets, Minimum Cash Balance, Third Period	$ 30,000
Subsequent Event [Member] | Equity Funding Agreement With Y A [Member]
Business Acquisition [Line Items]
Common stock issued (in shares) | shares						2,800,000
Proceeds from stock issuance						$ 15,000
Issuance of common stock, value						$ 15,000
GM
Business Acquisition [Line Items]
Due to related parties					$ 5,900
Merger Agreement With Diamond Peak Holdings Corp [Member]
Business Acquisition [Line Items]
Shares issued in merger | shares					75,918,063
Property acquired in business combination					$ 23,200				$ 23,200
Merger Agreement With Diamond Peak Holdings Corp [Member] | Convertible Note
Business Acquisition [Line Items]
Liabilities settled					5,000
Merger Agreement With Diamond Peak Holdings Corp [Member] | GM | Note Payable to GM
Business Acquisition [Line Items]
Liabilities settled					$ 20,800
B G L Warrants [Member]
Business Acquisition [Line Items]
Warrants outstanding | shares			1,600,000				1,600,000			1,600,000		1,600,000
Public Warrants [Member]
Business Acquisition [Line Items]
Warrants outstanding | shares			0		9,300,000		0			0		0
Private Placement Warrants [Member]
Business Acquisition [Line Items]
Warrants outstanding | shares			2,300,000		5,100,000		2,300,000			2,300,000		2,300,000