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Financial Derivative Instruments and Risk Management - Hedged Percentages Of Our Projected Fuel (Details) - Fuel - Call Option	Mar. 31, 2023
Derivatives, Fair Value [Line Items]
Second Quarter 2023	30.50%
Third Quarter 2023	30.10%
Fourth Quarter 2023	20.00%

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- Definition

Percentage Fuel Hedged - Fourth Quarter Current Year

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- Definition

Percentage Fuel Hedged - Second Quarter Current Year

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- Definition

Percentage Fuel Hedged - Third Quarter Current Year

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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.

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