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Commitments and Contingencies - Additional Information (Details)								1 Months Ended	3 Months Ended	9 Months Ended		12 Months Ended	25 Months Ended	58 Months Ended	84 Months Ended
	Feb. 23, 2024 USD ($)	Oct. 17, 2023 USD ($)	Oct. 10, 2022 USD ($)	Sep. 15, 2022 USD ($) Caravan	Nov. 08, 2021 USD ($)	May 18, 2021 Agreement	May 15, 2018 USD ($)	May 31, 2024 USD ($)	Dec. 31, 2024 USD ($)	Sep. 30, 2024 USD ($) shares	Sep. 30, 2023 USD ($)	Dec. 31, 2025 USD ($)	Jun. 30, 2023 USD ($)	May 07, 2028 USD ($)	May 07, 2028 USD ($)	Aug. 09, 2024 USD ($)	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Commitments And Contingencies [Line Item]
Aggregate purchase amount										$ 2,673,000	$ 11,653,000
Tax commitment including penalties and interest							$ 1,900,000
Outstanding federal excise tax liability including accrued penalties and interest										7,700,000								$ 7,600,000
Outstanding property tax liability including penalties and interest.										1,800,000								900,000
Proposed civil penalty	$ 300,000
Revision of proposed civil penalty	$ 32,000
Accrued expense										300,000
Maximum civil penalty per flight		$ 14,950
Finalised civil penalty								$ 16,000
Sales and Marketing Agreement
Commitments And Contingencies [Line Item]
License fees payable				$ 40,000,000
Jetstream Agreement \| Minimum
Commitments And Contingencies [Line Item]
Usage obligation			$ 120,000,000
Jetstream Agreement \| Maximum
Commitments And Contingencies [Line Item]
Aggregate purchase amount			$ 450,000,000
Offer-In-Compromise ("OIC")
Commitments And Contingencies [Line Item]
Payments on historical excise tax liabilities										34,000							$ 34,000
Textron Agreement
Commitments And Contingencies [Line Item]
License fees payable				$ 60,000,000														12,500,000
License fee remaining payments																		9,500,000
Remaining license fee payable										35,000,000
Textron Agreement \| Aircraft Purchase Agreement \| Caravans
Commitments And Contingencies [Line Item]
Option to purchase additional caravans, Number \| Caravan				90
Aggregate purchase amount				$ 297,000,000
Textron Agreement \| Aircraft Purchase Agreement \| Specifically Configured Caravans
Commitments And Contingencies [Line Item]
License fees payable										2,000,000
Option to purchase additional caravans, Number \| Caravan				26
Caravan purchase period				7 years
Textron Agreement \| Aircraft Purchase Agreement \| Specifically Configured Caravans \| Minimum
Commitments And Contingencies [Line Item]
Aggregate purchase amount				$ 85,800,000
Textron Agreement \| Scenario Forecast \| Aircraft Purchase Agreement \| Specifically Configured Caravans
Commitments And Contingencies [Line Item]
Additional license fee payable									$ 2,000,000			$ 6,000,000
Textron Agreement \| Technology and development expenses
Commitments And Contingencies [Line Item]
License fees payable										12,500,000
Palantir Joint Venture \| Maximum
Commitments And Contingencies [Line Item]
Payment for software service																$ 5,000,000
Palantir Technologies Inc
Commitments And Contingencies [Line Item]
Outstanding payables settled										$ 6,000,000
Shares issued \| shares										1,272,687
Remaining commitments										$ 31,000,000
Palantir Technologies Inc \| Scenario Forecast
Commitments And Contingencies [Line Item]
Remaining commitment to be settled									$ 2,000,000
Palantir Technologies Inc \| Software License Agreements
Commitments And Contingencies [Line Item]
Number of agreements executed \| Agreement						2
Term of agreement						7 years
Total software cost													$ 11,000,000
Payment for software service										$ 2,800,000								$ 2,500,000
Palantir Technologies Inc \| Software License Agreements \| Scenario Forecast
Commitments And Contingencies [Line Item]
Total software cost														$ 39,000,000	$ 50,000,000
Rise Parties
Commitments And Contingencies [Line Item]
Payment of actual damages					$ 1,000,000
Pre-judgment interest					200,000
Rise Parties \| Attorneys' Fees
Commitments And Contingencies [Line Item]
Litigation settlement, expense					60,000
Rise Parties \| Court Costs
Commitments And Contingencies [Line Item]
Litigation settlement, expense					$ 3,000