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Leases | 3 Months Ended
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Dec. 31, 2021
Leases [Abstract] |
Leases |
1 4. | Leases
As of December 31, 2021, we leased 17 aircraft, airport facilities, office space, and other property and equipment under non-cancelable operating leases. The leases generally require us to pay all taxes, maintenance, insurance, and other operating expenses. Rental expense is recognized on a straight-line basis over the lease term, net of lessor rebates and other incentives. We expect that, in the normal course of business, such operating leases that expire will be renewed or replaced by other leases, or the property may be purchased rather than leased. Aggregate rental expense under all aircraft, equipment and facility operating leases totaled approximately $11.2 million and $11.4 million for the three months ended December 31, 2021 and 2020, respectively. The components of our operating lease costs were as follows (in thousands):
|  | Three Months Ended December 31, |
|  | 2021 |  |  | 2020 |
Operating lease costs |  | $ | 9,480 |  |  | $ | 9,708 |
Variable and short-term lease costs |  |  | 1,735 |  |  |  | 1,689 |
Total lease costs |  | $ | 11,215 |  |  | $ | 11,397 |
As of December 31, 2021, our operating lease right-of-use assets were $88.5 million, our current maturities of operating lease liabilities were $26.9 million, and our noncurrent operating lease liabilities were $34.4 million. Our operating lease payments in operating cash flows for the three months ended December 31, 2021 and 2020 were $10.2 million and $9.3 million, respectively. As of December 31, 2021, our operating leases have a remaining weighted average lease term of 3.7 years and our operating lease liabilities were measured using a weighted average discount rate of 4.4%. As of December 31, 2021, we have $3.0 million of additional operating lease commitments commencing in future periods.

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- Definition The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=77888251 + Details
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