Nature of Business and Organization, Basis of Presentation, and Summary of Significant Accounting Policies - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Revenue	$ 37	$ 9	$ 407	$ 304
Automotive sales
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Revenue	37	0	37	312
Automotive leasing - Sales type
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Revenue	0	0	265	0
Automotive leasing - Operating type
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Revenue	$ 0	$ 9	$ 105	$ (8)