STOCKHOLDERS’ EQUITY - Narrative (Details) $ / shares in Units, $ in Thousands			1 Months Ended			5 Months Ended	12 Months Ended
	May 31, 2023 USD ($) $ / shares shares	Jul. 23, 2021 $ / shares shares	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($) $ / shares shares	Feb. 28, 2021 USD ($) $ / shares	Dec. 31, 2021 $ / shares shares	Dec. 31, 2023 USD ($) vote $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Nov. 08, 2022 USD ($)	Jul. 22, 2021 shares	Sep. 30, 2017 $ / shares
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)							10,000,000
Preferred stock, par value (in dollars per share) | $ / shares							$ 0.0001
Preferred stock, shares issued (in shares)				0			0	0
Preferred stock, shares outstanding (in shares)				0			0	0
Reverse recapitalization, shares issued (in shares)		425,395,023
Stock converted, after exchange ratio (in shares)		1,155,909,367
Common stock, shares outstanding (in shares)		1,618,621,534		1,829,314,736			2,299,253,664	1,829,314,736			451,295,965
Common stock, par value (in dollars per share) | $ / shares		$ 0.0001		$ 0.0001			$ 0.0001	$ 0.0001
Number of votes allowed per share | vote							1
Number of warrants (in shares)		85,750,000
Number of securities called by each warrant (in shares)		1
Warrant exercise price (in dollars per share) | $ / shares		$ 11.50			$ 1.94							$ 1.94
Warrants exercised (in shares)									41,034,197
Warrants exercised, cashless (in shares)									25,966,976
Proceeds from the exercise of public warrants | $					$ 3,000		$ 0	$ 0	$ 173,273
Warrants redeemed (in shares)									365,803
Warrant, redemption price (in dollars per share) | $ / shares						$ 0.01			$ 0.01
Shares repurchased (in shares)							0	0	857,825
Shares repurchased, repurchase price (in dollars per share) | $ / shares									$ 24.15
Equity Distribution Agreement
Class of Stock [Line Items]
Consideration to be received on agreement | $										$ 600,000
Number of shares issued (in shares)								56,203,334
Weighted average price (in dollars per share) | $ / shares				$ 10.68				$ 10.68
Net proceeds received | $				$ 594,300				$ 594,300
Commissions and other issuance cost | $								$ 5,700
Remaining number of shares available (in shares)							0	0
Underwriting Agreement
Class of Stock [Line Items]
Consideration to be received on agreement | $	$ 1,200,000
Number of shares issued (in shares)	173,544,948
Weighted average price (in dollars per share) | $ / shares	$ 6.83
Net proceeds received | $			$ 1,200,000
Commissions and other issuance cost | $			1,100
Public Warrants
Class of Stock [Line Items]
Number of warrants (in shares)		41,400,000				0			0		41,400,000
Warrants exercised (in shares)						41,034,197
Warrants redeemed (in shares)						365,803
Legacy Preferred Shareholders
Class of Stock [Line Items]
Stock converted, after exchange ratio (in shares)		1,155,909,367
Ayar | 2022 Subscription Agreement
Class of Stock [Line Items]
Consideration to be received on agreement | $										$ 915,000
Number of shares issued (in shares)				85,712,679				85,712,679
Weighted average price (in dollars per share) | $ / shares				$ 10.68				$ 10.68
Net proceeds received | $				$ 915,000				$ 915,000
Ayar | 2023 Subscription Agreement
Class of Stock [Line Items]
Consideration to be received on agreement | $	$ 1,800,000
Number of shares issued (in shares)	265,693,703
Weighted average price (in dollars per share) | $ / shares	$ 6.83
Net proceeds received | $			1,800,000
Commissions and other issuance cost | $			$ 2,000
Employees
Class of Stock [Line Items]
Shares repurchased (in shares)									712,742
Board of Directors of Atieva
Class of Stock [Line Items]
Shares repurchased (in shares)									145,083