Business Acquisition—Consolidation of AIXC - Schedule of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Business Combination [Line Items]
Goodwill	$ 27,783	$ 0
AIXC
Business Combination [Line Items]
Cash (includes funds from non FF PIPE Investors)	8,777
Prepaid expenses and other current assets	343
Short term note receivable	4,348
Other receivable	2
Intangibles (in-process R&D)	2,500
Accounts payable and accruals	(1,324)
Warrant Liability	(362)
Promissory Notes	(3,237)
Other liabilities (deferred tax liability)	(625)
Net identifiable assets acquired	10,422
Goodwill	27,783
Total Net Assets Acquired	$ 38,205