XML 50 R37.htm IDEA: XBRL DOCUMENT
v3.23.4

Leases (Tables) | 12 Months Ended
--- | ---
Sep. 30, 2023
Leases [Abstract] |
Components of Operating and Financing Lease Costs | The components of our operating and finance lease costs were as follows (in thousands):
|  | Year Ended September 30, |
|  | 2023 |  |  | 2022 |
Operating lease costs |  | $ | 8,517 |  |  | $ | 37,637 |
Variable and short-term lease costs |  |  | 3,691 |  |  |  | 5,783 |
Interest expense on finance lease liabilities |  |  | 4,492 |  |  | 547 |
Amortization expense of finance lease assets |  |  | 13,414 |  |  |  | 2,705 |
Total lease costs |  | $ | 30,114 |  |  | $ | 46,672 |
Schedule of Weighted Average Remaining Terms and Discount Rates for Operating and Financing Leases | The table below presents the weighted average remaining terms and discount rates for our operating and finance leases as of September 30, 2023:
As of September 30, 2023 |  |  |
Finance leases: |  |  |
Weighted average remaining lease term |  | 2.17 |
Weighted average discount rate |  |  | 3.4 | %
Operating leases: |  |  |
Weighted average remaining lease term |  | 6.1 |
Weighted average discount rate |  |  | 5.6 | %
Schedule of Future Minimum Rental Payments Under Operating and Finance Leases of Initial or Remaining Non-cancelable Lease Terms | The following table summarizes future minimum rental payments, primarily related to leased aircraft, required under operating and finance leases that had initial or remaining non-cancelable lease terms as of September 30, 2023 (in thousands):
Periods Ending September 30, |  | Operating Leases |  |  | Finance Leases |
2024 |  | $ | 4,243 |  |  | $ | 57,704 |
2025 |  |  | 2,449 |  |  |  | 1,257 |
2026 |  |  | 1,520 |  |  |  | 1,332 |
2027 |  |  | 1,437 |  |  |  | 1,411 |
2028 |  |  | 1,030 |  |  |  | 1,495 |
Thereafter |  |  | 4,161 |  |  |  | 4,437 |
Total lease payments |  |  | 14,840 |  |  |  | 67,636 |
Less: imputed interest |  |  | (3,253 | ) |  |  | — |
Amounts recorded in the consolidated balance sheet |  | $ | 11,587 |  |  | $ | 67,636 |

X
- Definition Schedule of future minimum rental payments under operating and finance leases of initial or remaining non-cancelable lease terms. + References No definition available. + Details
Name: | mesa_OperatingandFinancingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | mesa_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of weighted average remaining terms and discount rates for operating and financing leases. + References No definition available. + Details
Name: | mesa_ScheduleOfWeightedAverageRemainingLeaseTermsAndDiscountRatesForOperatingandFinancingLeasesTableTextBlock
Namespace Prefix: | mesa_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-4 + Details
Name: | us-gaap_LeaseCostTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration