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Related Party Transactions (Details) - USD ($) |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 15, 2023 | Sep. 14, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 27, 2023 | Nov. 17, 2023 | Apr. 30, 2023 | Oct. 31, 2022 | Feb. 25, 2022 | Jan. 29, 2021
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts payable |  |  | $ 30,682,000 |  | $ 30,682,000 |  | $ 30,172,000 |  |  |  |  |  |  |
Revenue |  |  | 79,013,000 | $ 100,338,000 | 158,985,000 | $ 177,370,000 | 315,362,000 | $ 320,042,000 |  |  |  |  |  |
Notes Payable to Banks |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  |  | $ 3,756,000 |  |
Interest rate |  |  |  | 7.75% |  | 7.75% |  |  |  |  | 7.75% | 6.50% |  |
Unamortized debt issuance costs |  |  | 26,000 |  | 26,000 |  | 4,000 | 52,000 |  |  |  |  |  |
Notes Payable to Banks | Bank #5 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  | $ 15,871,000 |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  | 14.00% |  |  |  |  |  |  |
Unamortized debt issuance costs |  |  |  |  |  |  | $ 879,000 |  |  |  |  |  |  |
Related Party |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accounts payable |  |  |  |  |  |  | 0 | 72,000 |  |  |  |  |  |
Short term accounts receivable |  |  | 1,770,000 |  | 1,770,000 |  | 1,911,000 | 2,996,000 |  |  |  |  |  |
Due from related parties, non-current |  |  |  |  |  |  | 0 | 2,629,000 |  |  |  |  |  |
Short-term notes payable |  |  | 22,295,000 |  | 22,295,000 |  | 18,939,000 | 0 |  |  |  |  |  |
Term notes |  |  |  |  |  |  |  |  |  | $ 1,800,000 |  |  | $ 5,280,000 | $ 11,900,000
Equity interest acquired |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |
Non-cash settlement of trade receivables |  | $ 1,650,000 |  |  |  |  |  |  |  |  |  |  |  |
Equity interest distributed to equity holders | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Lease expense per month | $ 200,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt transferred | $ 16,004,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party | Long-Term Promissory Note | Other Debt Payable |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  | $ 3,947,000 |  |  |  |  |
Related Party | Related Party Payables |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) in equity |  |  |  |  |  |  | 1,047,000 | 6,188,000 |  |  |  |  |  |
Related Party | Related Party Receivables |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) in equity |  |  |  |  |  |  | (6,114,000) | (12,894,000) |  |  |  |  |  |
Related Party | Other Debt Payable |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  | $ 3,947,000 |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  | 8.00% |  |  |  |  |
Related Party | Other Debt Payable | Long-Term Promissory Note |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  |  |  | 8.00% |  |  |  |  |
Related Party | Carolina Air Center, LLC, Crystal Coast Aviation, LLC, and Kinston Jet Center, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fuel costs |  |  | 431,000 | $ 514,000 | 892,000 | $ 1,301,000 | 2,027,000 | 2,185,000 |  |  |  |  |  |
Related Party | Kinston Jet Center, LLC, Kinston Jet House, LLC and LGM Auto, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rent expense |  |  | 1,034,000 | $ 299,000 | 2,062,000 | $ 656,000 | 1,646,000 | $ 1,235,000 |  |  |  |  |  |
Related Party | Consolidated Subsidiary #1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes receivable, current portion |  |  | $ 2,330,000 |  | $ 2,330,000 |  | $ 2,433,000 |  |  |  |  |  |  |
Related Party | Consolidated Subsidiary #1 | Consolidated Subsidiary #1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related party's ownership interest of a consolidated subsidiary |  |  | 99.00% |  | 99.00% |  | 99.00% | 99.00% |  |  |  |  |  |
Related Party | Consolidated Subsidiary #2 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes receivable, current portion |  |  | $ 3,973,000 |  | $ 3,973,000 |  | $ 2,404,000 | $ 2,545,000 |  |  |  |  |  |
Related Party | Consolidated Subsidiary #2 | Consolidated Subsidiary #2 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related party's ownership interest of a consolidated subsidiary |  |  | 99.00% |  | 99.00% |  | 99.00% | 99.00% |  |  |  |  |  |
Related Party | Related Party #1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes receivable, current portion |  |  |  |  |  |  | $ 2,404,000 | $ 2,572,000 |  |  |  |  |  |
Related Party | Related Party #1 | Consolidated Subsidiary #1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related party's ownership interest of a consolidated subsidiary |  |  |  |  |  |  | 99.00% |  |  |  |  |  |  |
Related Party | Related Party #2 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes receivable, current portion |  |  |  |  |  |  | $ 3,973,000 |  |  |  |  |  |  |
Related Party | Related Party #2 | Consolidated Subsidiary #2 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related party's ownership interest of a consolidated subsidiary |  |  |  |  |  |  | 99.00% |  |  |  |  |  |  |
Related Party | Supplier Concentration Risk | Cost of Revenue Benchmark |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of total fuel costs |  |  | 2.00% | 4.00% | 2.00% | 3.00% | 3.00% | 3.00% |  |  |  |  |  |
Related Party | Flights | Owners of Subsidiaries and Lessor VIEs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  | $ 4,440,000 | $ 5,648,000 | $ 9,691,000 | $ 12,353,000 | $ 22,279,000 | $ 22,468,000 |  |  |  |  |  |
Related Party | Flights | Related Parties Excluding Owners of Subsidiaries and Lessor VIEs |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  | $ 80,000 | $ 15,000 |  |  |  |  |  |

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