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Balance Sheet Information (Tables) | 9 Months Ended
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Jun. 30, 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 June 30, 2021 and September 30, 2020, consisted of the following (in thousands):
|  | June 30, |  |  | September 30, |
|  | 2021 |  |  | 2020 |
Expendable parts and supplies, net: |  |  |  |  |  |  |  |
Expendable parts and supplies |  | $ | 29,135 |  |  | $ | 27,431 |
Less: obsolescence and other |  |  | (4,428 | ) |  |  | (4,460 | )
|  | $ | 24,707 |  |  | $ | 22,971 |
Prepaid expenses and other current assets: |  |  |  |  |  |  |  |
Deferred offering and reimbursed costs |  | $ | — |  |  | $ | 1,261 |
Prepaid aviation insurance |  |  | 4,662 |  |  |  | 2,396 |
Other |  |  | 4,294 |  |  |  | 12,410 |
|  | $ | 8,956 |  |  | $ | 16,067 |
Property and equipment, net: |  |  |  |  |  |  |  |
Aircraft and other flight equipment substantially pledged |  | $ | 1,606,276 |  |  | $ | 1,596,174 |
Other equipment |  |  | 5,116 |  |  |  | 5,147 |
Leasehold improvements |  |  | 2,790 |  |  |  | 2,763 |
Vehicles |  |  | 1,115 |  |  |  | 1,032 |
Building |  |  | 699 |  |  |  | 699 |
Furniture and fixtures |  |  | 302 |  |  |  | 302 |
Total property and equipment |  |  | 1,616,298 |  |  |  | 1,606,117 |
Less: accumulated depreciation |  |  | (452,105 | ) |  |  | (393,702 | )
|  | $ | 1,164,193 |  |  | $ | 1,212,415 |
Other assets: |  |  |  |  |  |  |  |
Warrants |  | $ | 16,374 |  |  | $ | — |
Other |  |  | 8,941 |  |  |  | 742 |
|  | $ | 25,315 |  |  | $ | 742 |
Other accrued expenses: |  |  |  |  |  |  |  |
Accrued property taxes |  | $ | 7,479 |  |  | $ | 11,354 |
Accrued interest |  |  | 4,814 |  |  |  | 3,268 |
Accrued vacation |  |  | 5,967 |  |  |  | 5,975 |
Deferred PSP payments |  |  | 26,100 |  |  |  | 11,311 |
Other |  |  | 15,092 |  |  |  | 13,570 |
|  | $ | 59,452 |  |  | $ | 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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