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Revenue Recognition (Tables) | 6 Months Ended
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Jun. 30, 2020
Revenue Recognition [Abstract] |
Disaggregation of Revenue [Table Text Block] | Passenger revenue is primarily composed of scheduled service revenue (including passenger ticket sales and credit voucher breakage), revenue from ancillary air-related charges (including seat fees, baggage fees, and other travel-related services performed in conjunction with a passenger’s flight), as well as co-brand credit card point redemptions, as outlined below:
| Three Months Ended June 30, |  | Six Months Ended June 30,
(in thousands) | 2020 |  | 2019 |  | 2020 |  | 2019
Scheduled service | $ | 48,680 |  |  | $ | 237,685 |  |  | $ | 245,941 |  |  | $ | 472,456 |
Ancillary air-related charges | 65,294 |  |  | 213,527 |  |  | 242,258 |  |  | 395,227 |
Co-brand redemptions | 2,546 |  |  | 3,567 |  |  | 7,232 |  |  | 7,072 |
Total passenger revenue | $ | 116,520 |  |  | $ | 454,779 |  |  | $ | 495,431 |  |  | $ | 874,755 |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] | The following table presents the activity of the co-brand point liability as of the dates indicated:
| Six Months Ended June 30,
(in thousands) | 2020 |  | 2019
Balance at January 1 | $ | 15,613 |  |  | $ | 10,708 |
Points awarded (deferral of revenue) | 10,962 |  |  | 8,827 |
Points redeemed (recognition of revenue) | (7,232 | ) |  | (7,072 | )
Balance at June 30 | $ | 19,343 |  |  | $ | 12,463 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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