RELATED PARTY TRANSACTIONS - Implementation Agreement with Aston Martin (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended	12 Months Ended
	Nov. 06, 2023	Jun. 30, 2024	Jun. 30, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
Fair value amount		$ 51,502	$ 51,502	$ 81,533
Other long-term liabilities (including $148,121 and $178,311 associated with related parties as of June 30, 2024 and December 31, 2023, respectively)		555,923	555,923	524,339
Related Party
Related Party Transaction [Line Items]
Other long-term liabilities (including $148,121 and $178,311 associated with related parties as of June 30, 2024 and December 31, 2023, respectively)		148,121	148,121	178,311
Strategic Technology Arrangement | Related Party | Aston Martin Lagonda Global Holdings plc
Related Party Transaction [Line Items]
Minimum amount committed	$ 225,000
Aston Martin Lagonda Global Holdings plc | Strategic Technology Arrangement, Technology Access Fees | Related Party
Related Party Transaction [Line Items]
Number of shares received	28,352,273
Initial installment	$ 33,000
Fair value amount	73,200	51,500	51,500	81,500
Remaining amount	$ 99,000
Payment term	3 years
Integration fees received		2,100	2,100	1,600
Aston Martin Lagonda Global Holdings plc | Strategic Technology Arrangement, Service Fees | Related Party
Related Party Transaction [Line Items]
Amount to receive	$ 10,000
Payment term	3 years
Aston Martin Lagonda Global Holdings plc | Strategic Technology Arrangement | Related Party
Related Party Transaction [Line Items]
Other long-term liabilities (including $148,121 and $178,311 associated with related parties as of June 30, 2024 and December 31, 2023, respectively)		$ 109,900	$ 109,900	$ 107,800