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COVID-19 (Tables) | 3 Months Ended
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Mar. 31, 2021
Special Charge [Abstract] |
Restructuring and Related Activities Disclosure [Text Block] | Special Charges The table below summarizes special charges recorded during the three months ended March 31, 2021.
|  |  |  |  |  |  | Three Months Ended March 31,
(in thousands) |  |  |  |  |  |  | 2021 |  | 2020
Operating |  |  |  |  |  |  | $ | 1,738 |  |  | $ | 166,098 |
Non-operating |  |  |  |  |  |  | — |  |  | 6,802 |
Total special charges |  |  |  |  |  |  | $ | 1,738 |  |  | $ | 172,900 |
Additional detail for the $1.7 million of total special charges for the three months ended March 31, 2021 appears below: •$1.2 million resulting from the accelerated retirements of two airframes and three engines •$0.5 million related to an impairment loss on a building in Chesterfield, Missouri associated with the Allegiant Nonstop family entertainment line of business. In the first quarter 2020, the onset of COVID-19 triggered an impairment review of long lived assets and a non-cash impairment charge of $163.4 million was recognized. The Company also identified $9.5 million of expenses, primarily comprised of salary and benefits, that were unique and specific to COVID-19.

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- Definition Special Charge [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -URI http://asc.fasb.org/topic&trid=2175745 + Details
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