Commitments and Contingencies (Details) $ in Thousands	3 Months Ended
Jun. 30, 2020 USD ($) aircraft engine
Long-term Purchase Commitment [Line Items]
Commitments To Purchase Engine \| engine	4
Unrecorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year	$ 126,141
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Two	37,900
Unrecorded Unconditional Purchase Obligation, to be Paid, Year Three	21,000
Unrecorded Unconditional Purchase Obligation	$ 185,041
Airbus A320 Aircraft Series
Long-term Purchase Commitment [Line Items]
Number Of Aircraft Committed To Purchase \| aircraft	8

Commitments To Purchase Engine

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- Definition

Number Of Aircraft Committed To Purchase

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121559207&loc=d3e25336-109308

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- Definition

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts).

+ References

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- Definition

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in remainder of current fiscal year.

+ References

No definition available.

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