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The number of aircraft anticipated within two years.

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- Definition

Represents the number of aircraft to be purchased under the agreement.

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Represents the number of aircraft to be replaced.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Nature of Operations and Summary of Significant Accounting Policies - Long-Lived Assets (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2023 aircraft	Dec. 31, 2021 USD ($) aircraft	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Impairment of Long Lived and Intangible Assets
Property and equipment and related assets \| $		$ 5,498,599	$ 5,362,048
Impairment of long-lived assets \| $			$ 0	$ 0
CRJ 900
Impairment of Long Lived and Intangible Assets
Impairment charges \| $		$ 84,592
Forecast \| Sky West Airlines Inc [Member] \| CRJ 900
Impairment of Long Lived and Intangible Assets
Number of aircraft to be placed by 2022	16
Number of aircraft to be replaced	16
Delta Capacity Purchase Agreement \| Sky West Airlines Inc [Member] \| E175 [Member]
Impairment of Long Lived and Intangible Assets
Number of aircraft to be placed by 2022		16
Number of aircraft under purchase agreement		16