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Quarterly Financial Information | 12 Months Ended
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Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Information | 19. Quarterly Financial Information (in thousands, except per share amounts) (unaudited)
|  | 1st |  |  | 2nd |  |  | 3rd |  |  | 4th |
|  | Quarter |  |  | Quarter |  |  | Quarter |  |  | Quarter |
2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  | $ | 704,171 |  |  | $ | 675,765 |  |  | $ | 598,452 |  |  | $ | 492,297 |
Operating loss |  |  | (23,383 | ) |  |  | (48,125 | ) |  |  | (307,305 | ) |  |  | (82,763 | )
Net loss |  |  | (28,614 | ) |  |  | (49,447 | ) |  |  | (261,719 | ) |  |  | (85,923 | )
Net loss per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | (0.14 | ) |  | $ | (0.24 | ) |  | $ | (1.31 | ) |  | $ | (0.44 | )
Diluted |  | $ | (0.14 | ) |  | $ | (0.24 | ) |  | $ | (1.31 | ) |  | $ | (0.44 | )
2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  | $ | 809,164 |  |  | $ | 854,418 |  |  | $ | 867,478 |  |  | $ | 795,937 |
Operating loss |  |  | (22,102 | ) |  |  | (9,004 | ) |  |  | (80,281 | ) |  |  | (210,790 | )
Net loss |  |  | (34,417 | ) |  |  | (10,713 | ) |  |  | (75,042 | ) |  |  | (201,249 | )
Net loss per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | (0.16 | ) |  | $ | (0.05 | ) |  | $ | (0.34 | ) |  | $ | (0.93 | )
Diluted |  | $ | (0.16 | ) |  | $ | (0.05 | ) |  | $ | (0.34 | ) |  | $ | (0.93 | )

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- References No definition available. + Details
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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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Namespace Prefix: | us-gaap_
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