STOCKHOLDERS’ EQUITY - Narrative (Details) $ / shares in Units, $ in Thousands		1 Months Ended			3 Months Ended	6 Months Ended
	Jan. 19, 2022 $ / shares shares	Mar. 31, 2022 shares	Feb. 28, 2022 shares	Jul. 31, 2021 USD ($)	Jun. 30, 2022 USD ($) vote $ / shares shares	Jun. 30, 2022 USD ($) vote $ / shares shares	Jun. 08, 2022 shares	Jan. 18, 2022 shares	Dec. 31, 2021 USD ($) $ / shares shares	Jan. 31, 2021 $ / shares shares	Mar. 31, 2020 $ / shares shares
Class of Stock [Line Items]
Common stock, shares authorized (in shares)					10,000,000,000	10,000,000,000			10,000,000,000
Common stock, par value (in dollars per share) | $ / shares	$ 0.00001				$ 0.0001	$ 0.0001			$ 0.0001
Voting rights per share | vote					1	1
Warrants outstanding (in shares)					14,900,000	14,900,000
Exercise price of warrants (in dollars per share) | $ / shares					$ 11.50	$ 11.50
Common stock, exchange ratio	1.6001528688
Convertible debt, conversion price (in dollars per share) | $ / shares	$ 8.00
SPAC vesting shares (in shares)								1,700,000
Issuances of common stock- vendor settlement (in shares)		1,600,000
Number of consecutive days				30 days
Lockup period				180 days
Vendor liability, contractual amount | $				$ 21,300
Vendor liability, changes in fair value | $					$ 9,800	$ 9,400
Vendor liability, fair value | $					$ 18,100	$ 18,100
Number of common shares available for grant, outstanding (in shares)					82,700,000	82,700,000
Common shares purchased for award (in shares)					30,600,000	30,600,000
Weighted average price of shares purchased (in shares) | $ / shares					$ 9.02	$ 9.02
Options remaining contractual term						3 years 4 months 24 days
Option, unrecognized share-based compensation expense | $					$ 131,400	$ 131,400
Convertible Notes
Class of Stock [Line Items]
Note payable face amount | $									$ 514,800
Paid-in-kind interest | $					23,000
Convertible debt, conversion price (in dollars per share) | $ / shares	$ 8.00
Conversion of Convertible Notes
Class of Stock [Line Items]
Debt conversion, converted amount | $					$ 1,600	$ 1,600
Debt conversion, converted instrument, shares issued (in shares)					200,000	200,000
Conversion of XPDI's Common Stock to New Core Common Stock
Class of Stock [Line Items]
Recapitalization transaction, conversion ratio								1
Common Stock
Class of Stock [Line Items]
Issuances of common stock- Merger with XPDI (in shares)	30,800,000
Stock options
Class of Stock [Line Items]
Period for recognition						3 years 4 months 24 days
Restricted Stock Units and Restricted Awards
Class of Stock [Line Items]
Nonvested RSAs and RSUs (in shares)					52,100,000	52,100,000
Period for recognition						3 years
RSUs and RSAs, unrecognized share-based compensation expense | $					$ 136,800	$ 136,800
Restricted Stock Units (RSUs)
Class of Stock [Line Items]
Restricted stock units granted in period (in shares)					2,100,000	14,000,000
Restricted stock units granted (in dollars per share) | $ / shares					$ 5.45	$ 2.78
2018 Omnibus Incentive Plan | Minimum
Class of Stock [Line Items]
Share-based compensation, award vesting period						1 year
2018 Omnibus Incentive Plan | Maximum | Stock options
Class of Stock [Line Items]
Share-based compensation, award expiration period						10 years
2021 Equity Incentive Plan
Class of Stock [Line Items]
Share-based compensation, number of shares authorized (in shares)					45,000,000	45,000,000
Number of common shares available for grant (in shares)					43,000,000	43,000,000
2021 Equity Incentive Plan | Stock options
Class of Stock [Line Items]
Share-based compensation, award expiration period						10 years
2021 Equity Incentive Plan | Minimum
Class of Stock [Line Items]
Share-based compensation, award vesting period						1 year
Amendment to 2018 Omnibus Incentive Plan | Restricted Stock Units (RSUs)
Class of Stock [Line Items]
Number of common shares to be net settled (in shares)							42,000,000
Number of shares to be forfeited and cancelled (in shares)							15,000,000
Stockholder Loan Warrants
Class of Stock [Line Items]
Warrants outstanding (in shares)										200,000
Exercise price of warrants (in dollars per share) | $ / shares										$ 4.21
Public Warrants
Class of Stock [Line Items]
Warrants outstanding (in shares)					8,600,000	8,600,000
Public Warrants | XPDI
Class of Stock [Line Items]
Warrants outstanding (in shares)								8,600,000
Private Placement Warrants
Class of Stock [Line Items]
Warrants outstanding (in shares)					6,300,000	6,300,000
Private Placement Warrants | XPDI
Class of Stock [Line Items]
Warrants outstanding (in shares)								6,300,000
Executive Notes Warrants
Class of Stock [Line Items]
Warrants outstanding (in shares)											6,400,000
Exercise price of warrants (in dollars per share) | $ / shares											$ 0.84
Class of warrant or right, warrants exercised			3,200,000
Issuance of common stock - exercise of warrants (in shares)			2,900,000
Shares withheld for tax withholding obligation (in shares)		300,000
Service Providers Warrants
Class of Stock [Line Items]
Warrants outstanding (in shares)											200,000
Exercise price of warrants (in dollars per share) | $ / shares											$ 4.27
Class of warrant or right, warrants exercised			200,000
Issuance of common stock - exercise of warrants (in shares)			100,000