XML 87 R31.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Leases and Commitments (Tables) | 3 Months Ended
--- | ---
Dec. 31, 2019
Commitments And Contingencies Disclosure [Abstract] |
Schedule of Lease Related Terms and Discount Rates | The table below presents lease related terms and discount rates as of December 31, 2019:
As of December 31,2019 |  |  |  |
Weighted average remaining lease term Operating leases |  | 4.3 years |
Weighted average discount rate Operating leases |  |  | 4.3 | %
Schedule of Operating Lease Cost |
|  | Three Months Ended December 31, |
|  | 2019 |  |  | 2018 |  |  | $ Change |  |  | % Change |
Operating lease cost |  | $ | 16,784 |  |  | $ | 19,089 |  |  | $ | (2,305 | ) |  |  | (12.1 | )%
Schedule of Future Minimum Rental Payments under Operating 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 leases that had initial or remaining non-cancelable lease terms as of December 31, 2019 (in thousands):
Periods Ending December 31, |  | Total Maturities |
2020 |  | $ | 36,246 |
2021 |  |  | 44,529 |
2022 |  |  | 31,108 |
2023 |  |  | 13,772 |
2024 |  |  | 13,184 |
Thereafter |  |  | 1,384 |
Less: Interest |  | $ | (9,732 | )
Amounts recorded in the Consolidated Balance Sheet |  | $ | 130,491 |
Schedule of Future Minimum Lease Obligations under Non-cancelable Operating Leases | The following represents future minimum lease obligations under non-cancelable operating leases as of September 30, 2019 (in thousands):
Periods Ending September 30, |  | Total Payments |
2020 |  |  | 47,814 |
2021 |  |  | 46,007 |
2022 |  |  | 31,090 |
2023 |  |  | 13,726 |
2024 |  |  | 13,185 |
Thereafter |  |  | 1,368 |
Total |  | $ | 153,190 |

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

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
Name: | us-gaap_LeaseCostTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
Name: | us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration