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Summary of Significant Accounting Policies - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,209	$ 1,705	$ 1,722	$ 1,727
Transportation services
Disaggregation of Revenue [Line Items]
Total revenue	0	1,305	0	1,305
Hosted payload services
Disaggregation of Revenue [Line Items]
Total revenue	0	142	0	142
Forfeited customer deposits
Disaggregation of Revenue [Line Items]
Total revenue	0	258	35	280
Engineering project services
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,209	$ 0	$ 1,687	$ 0

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