Deposits (current and non-current) and Other Current Assets - Schedule of Deposits and Other Current Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Deposits
Deposits for research and development, prototype and production parts, and other	$ 18,519	$ 29,318
Deposits for goods and services yet to be received (“Future Work”)	1,676	1,776
Deposits	20,195	31,094
Deposits, current portion	7,784	31,094
Deposits, non-current portion	12,411	0
Other current assets
Prepaid expenses	10,921	4,832
Other current assets	1,476	1,295
Other current assets	$ 12,397	$ 6,127

Deposit Assets, For Research And Development, Prototype Parts, And Other

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Deposit For Future Work

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Deposits, Current And Noncurrent

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Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment within one year or during the operating cycle, if shorter.

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Amount of current assets classified as other.

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Amount of other miscellaneous assets.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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