Intangible Assets, Net and Other Assets - Schedule of Other Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Other Assets [Abstract]
Security deposits - aircraft operating leases	$ 978
Cloud-hosted software	1,863	$ 1,694
Credit card holdback	1,748
Security deposits - other	719
Other	629	122
Total other assets	$ 5,937	$ 1,816