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Balance Sheet Information (Tables) | 6 Months Ended
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Mar. 31, 2021
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Summary of Certain Significant Amounts Included in Condensed Consolidated Balance Sheet | Certain significant amounts included in the Company's condensed consolidated balance sheet as of March 31, 2021 and September 30, 2020, consisted of the following (in thousands):
|  | March 31, |  |  | September 30, |
|  | 2021 |  |  | 2020 |
Expendable parts and supplies, net: |  |  |  |  |  |  |  |
Expendable parts and supplies |  | $ | 27,324 |  |  | $ | 27,431 |
Less: obsolescence and other |  |  | (4,280 | ) |  |  | (4,460 | )
|  | $ | 23,044 |  |  | $ | 22,971 |
Prepaid expenses and other current assets: |  |  |  |  |  |  |  |
Deferred offering and reimbursed costs |  | $ | — |  |  | $ | 1,261 |
Other |  |  | 8,956 |  |  |  | 14,806 |
|  | $ | 8,956 |  |  | $ | 16,067 |
Property and equipment, net: |  |  |  |  |  |  |  |
Aircraft and other flight equipment substantially pledged |  | $ | 1,603,377 |  |  | $ | 1,596,174 |
Other equipment |  |  | 5,189 |  |  |  | 5,147 |
Leasehold improvements |  |  | 2,763 |  |  |  | 2,763 |
Vehicles |  |  | 1,114 |  |  |  | 1,032 |
Building |  |  | 699 |  |  |  | 699 |
Furniture and fixtures |  |  | 303 |  |  |  | 302 |
Total property and equipment |  |  | 1,613,445 |  |  |  | 1,606,117 |
Less: accumulated depreciation |  |  | (432,761 | ) |  |  | (393,702 | )
|  | $ | 1,180,684 |  |  | $ | 1,212,415 |
Other Assets: |  |  |  |  |  |  |  |
Warrants |  | $ | 16,374 |  |  | $ | — |
Other |  |  | 4,273 |  |  |  | — |
|  | $ | 20,647 |  |  | $ | — |
Other accrued expenses: |  |  |  |  |  |  |  |
Accrued property taxes |  | $ | 5,996 |  |  | $ | 11,354 |
Accrued interest |  |  | 2,480 |  |  |  | 3,268 |
Accrued vacation |  |  | 5,718 |  |  |  | 5,975 |
Other |  |  | 14,416 |  |  |  | 24,881 |
|  | $ | 28,610 |  |  | $ | 45,478 |

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- Definition Tabular disclosure of condensed balance sheet, including, but not limited to, balance sheets of consolidated entities and consolidation eliminations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 3 -Paragraph i -Subsection 10 + Details
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- References No definition available. + Details
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