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Organization and Operations - Additional Information (Detail) $ in Thousands |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 25, 2024 USD ($) AirCraft | Sep. 23, 2024 | Jul. 01, 2024 USD ($) AirCraft Engine shares | Jun. 20, 2024 USD ($) AirCraft | May 29, 2024 USD ($) AirCraft | Jan. 13, 2023 shares | Jun. 30, 2024 USD ($) DailyDeparture State AirCraft shares | Jun. 30, 2024 USD ($) DailyDeparture Employee AirCraft City State shares | Jun. 30, 2023 USD ($) | Jul. 16, 2024 USD ($) | Sep. 30, 2023 USD ($) shares
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of states in which entity operates | State |  |  |  |  |  |  | 32 | 32 |  |  |
Additional revenue and liquidity |  |  |  |  |  |  | $ 9,600 | $ 9,600 |  |  |
Number of aircrafts operated | AirCraft |  |  |  |  |  |  |  | 73 |  |  |
Number of cities in which entity operates | City |  |  |  |  |  |  |  | 73 |  |  |
Number of daily departures | DailyDeparture |  |  |  |  |  |  | 279 | 279 |  |  |
Number of employees | Employee |  |  |  |  |  |  |  | 1,992 |  |  |
Current portion of long-term debt |  |  |  |  |  |  | $ 72,769 | $ 72,769 |  |  | $ 163,550
Long-term debt |  |  |  |  |  |  | $ 72,800 | $ 72,800 |  |  |
Consideration For Amended Description |  |  |  |  |  |  |  | Additionally, in January 2023, in consideration for entering in the Amended and Restated United CPA and providing the revolving line of credit, discussed in Note 8, the Company (i) granted United the right to designate one individual to the Company's board of directors (the "United Designee"), which occurred effective May 2, 2023 with the appointment of Jonathan Ireland and (ii) issued to United 4,042,061 shares of the Company’s common stock equal to approximately 10% of the Company’s issued and outstanding capital stock on such date (the "United Shares"). United's board designee rights will terminate at such time as United's equity ownership in the Company falls below five percent (5%) of the Company's issued and outstanding stock |  |  |
United capacity purchase agreement termination notice period |  |  |  |  |  |  |  | 30 days |  |  |
Common stock, shares issued | shares |  |  |  |  |  |  | 41,312,204 | 41,312,204 |  |  | 40,940,326
Stock issued during period, Shares | shares |  |  |  |  |  |  | 760,000 |  |  |  |
Stock issued during period, Value |  |  |  |  |  |  | $ 2,700 |  |  |  |
Purcahse of aircraft |  |  |  |  |  |  |  | $ 16,908 | $ 31,619 |  |
Reimbursement of transition expenses | $ 14,000 |  |  |  |  |  |  |  |  |  |
Purchase agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of aircraft sold | AirCraft |  |  |  | 14 | 9 |  |  |  |  |  |
Decrease in Scheduled Flying Activity [Member] | RASPRO Aircraft Lease Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of aircrafts operated | AirCraft |  |  |  |  |  |  | 15 |  |  |  |
Subsequent Event [Member] | Archer Aviation, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Stock issued during period, Shares | shares |  |  | 1,500,000 |  |  |  |  |  |  |  |
Stock issued during period, Value |  |  | $ 6,900 |  |  |  |  |  |  |  |
Realized gain on sale of shares |  |  | $ 1,600 |  |  |  |  |  |  |  |
Subsequent Event [Member] | Purchase agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of aircraft sold | Engine |  |  | 8 |  |  |  |  |  |  |  |
Gross proceeds from sale of asset |  |  | $ 12,900 |  |  |  |  |  |  |  |
Net proceeds from sale of asset |  |  | 4,400 |  |  |  |  |  |  |  |
Subsequent Event [Member] | Decrease in Scheduled Flying Activity [Member] | RASPRO Aircraft Lease Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from sale of asset |  |  | $ 700 |  |  |  |  |  |  |  |
United Capacity Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Additional revenue and liquidity |  |  |  |  |  |  | $ 46,000 | $ 46,000 |  |  |
United Capacity Purchase Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of aircrafts operated | AirCraft |  |  |  |  |  |  |  | 73 |  |  |
United Capacity Purchase Agreement [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Minimum liquidity requirement of cash and cash equivalents |  |  |  |  |  |  |  |  |  | $ 15,000 |
Reimbursement of transition expenses | $ 14,000 |  |  |  |  |  |  |  |  |  |
United Capacity Purchase Agreement [Member] | United [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common stock issued equivalent percentage of issued and outstanding capital stock |  |  |  |  |  | 10.00% |  |  |  |  |
Common stock, shares issued | shares |  |  |  |  |  | 4,042,061 |  |  |  |  |
CRJ-700 Aircraft [Member] | United Capacity Purchase Agreement [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of aircraft leased | AirCraft | 2 |  |  |  |  |  |  |  |  |  |
Number of aircrafts purchased | AirCraft | 2 |  |  |  |  |  |  |  |  |  |
Purcahse of aircraft | $ 11,000 |  |  |  |  |  |  |  |  |  |
CRJ-700 Aircraft [Member] | United Capacity Purchase Agreement [Member] | United [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Aircraft lease term |  |  |  |  |  |  |  | 9 years |  |  |
CRJ-900 Aircraft [Member] | United Capacity Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of aircrafts operated | AirCraft |  |  |  |  |  |  |  | 18 |  |  |
E-175 Aircraft [Member] | United Capacity Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of aircrafts operated | AirCraft |  |  |  |  |  |  |  | 55 |  |  |
Number of aircrafts to be removed | AirCraft |  |  |  |  |  |  |  | 18 |  |  |
E-175 Aircraft [Member] | United Capacity Purchase Agreement [Member] | United [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of aircrafts operated | AirCraft |  |  |  |  |  |  |  | 42 |  |  |
Number of aircrafts owned | AirCraft |  |  |  |  |  |  |  | 18 |  |  |
Lease expiration year |  |  |  |  |  |  |  | 2028 |  |  |
Notice period for termination of agreement |  |  |  |  |  |  |  | United, subject to certain conditions, including the payment of certain costs tied to aircraft type, to terminate the agreement in its discretion, or remove aircraft from service, by giving us notice of 90 days or more |  |  |
E-175 Aircraft [Member] | United Capacity Purchase Agreement [Member] | United [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Lease expiration year |  |  |  |  |  |  |  | 2024 |  |  |
E-175 Aircraft [Member] | United Capacity Purchase Agreement [Member] | United [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Lease expiration year |  |  |  |  |  |  |  | 2028 |  |  |
E175LL Aircraft [Member] | United Capacity Purchase Agreement [Member] | United [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Notice period for termination of agreement |  |  |  |  |  |  |  | United, subject to certain conditions, including the payment of certain costs tied to aircraft type, may terminate the agreement in its discretion, or remove E-175 aircraft from service, by giving us notice of 90 days or more |  |  |
CRJ-900 and E-175 Aircraft [Member] | United Capacity Purchase Agreement [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of combined fleet | AirCraft | 60 |  |  |  |  |  |  |  |  |  |
CRJ-900 and E-175 Aircraft [Member] | United Capacity Purchase Agreement [Member] | United [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of combined fleet | AirCraft |  |  |  |  |  |  |  | 60 |  |  |
CRJ-900 and E-175 Aircraft [Member] | United Capacity Purchase Agreement [Member] | United [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of combined fleet | AirCraft | 60 |  |  |  |  |  |  |  |  |  |
UST Loan [Member] | Purchase agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from sale of asset |  |  |  | $ 24,700 | $ 8,800 |  |  |  |  |  |
Repayment of loan |  |  |  | $ 20,200 | $ 8,800 |  |  |  |  |  |
UST Loan [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Minimum collateral coverage ratio |  | 1.55 |  |  |  |  |  |  |  |  |
UST Loan [Member] | Subsequent Event [Member] | Purchase agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of aircraft sold | AirCraft |  |  | 8 |  |  |  |  |  |  |  |
Gross proceeds from sale of asset |  |  | $ 12,900 |  |  |  |  |  |  |  |
Net proceeds from sale of asset |  |  | $ 4,400 |  |  |  |  |  |  |  |
UST Loan [Member] | Subsequent Event [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Minimum collateral coverage ratio |  | 1.55 |  |  |  |  |  |  |  |  |
UST Loan [Member] | Subsequent Event [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |  |  |  |  |  |  |  |  |  |
Minimum collateral coverage ratio |  | 1.44 |  |  |  |  |  |  |  |  |

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