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Summary of Significant Accounting Policies - Concentration of Credit Risk (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Concentration Risk [Line Items]
Cash and cash equivalents	$ 6,727		$ 6,727		$ 20,776
Restricted cash	$ 767		$ 767		$ 755
United Capacity Purchase Agreement \| Revenue Benchmark \| Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk		0.10%		47.30%
American Capacity Purchase Agreement \| Revenue Benchmark \| Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk	100.00%	99.70%	100.00%	52.50%