Number of persons employed by the Entity

No definition available.

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- Definition

Represents the approximate number of active employees in employee groups.

+ References

No definition available.

+ Details

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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.

+ Details

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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- Definition

Number of units of goods that must be purchased within the specified time period of the agreement to avoid penalties or unfavorable effects on pricing, among other adverse consequences.

+ References

No definition available.

+ Details

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- Definition

Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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- Definition

Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature.

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- Details

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Commitments and Contingencies (Details) $ in Millions	12 Months Ended
Commitments and Contingencies (Details) $ in Millions	Dec. 31, 2021 USD ($) employee aircraft	Dec. 31, 2020 USD ($)	Dec. 31, 2019
Concentration Risk and Significant Customers
Accrued workers' compensation liability \| $	$ 17.5	$ 20.7
Accrued workers' compensation liability, current \| $	$ 7.1	$ 8.6
E175 [Member]
Concentration Risk and Significant Customers
Commitment to purchase number of aircraft \| aircraft	29
Revenue from rights, concentration risk \| Customer Concentration Risk [Member] \| Delta, United, and Continental Combined
Concentration Risk and Significant Customers
Concentration risk (as a percent)	73.50%	76.40%	77.60%
Full-time equivalent number of employees \| Labor Force Concentration Risk [Member]
Concentration Risk and Significant Customers
Number of employees \| employee	15,205
SkyWest Airlines [Member] \| Full-time equivalent number of employees \| Unionized employees
Concentration Risk and Significant Customers
Approximate number of active employees \| employee	0