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Quarterly Results of Operations (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2023
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Quarterly Financial Information | The following is a summary of the quarterly results of operations for the years ended December 31, 2023 and 2022:
|  | 2023
|  | March 31 |  | June 30 |  | September 30 |  | December 31
Operating revenue |  | $ | 357,709 |  |  | $ | 333,622 |  |  | $ | 340,976 |  |  | $ | 338,428 |
Net income (loss) from continuing operations |  | $ | 33,904 |  |  | $ | 17,127 |  |  | $ | 6,493 |  |  | $ | (14,721) |
Income from discontinued operations, net of tax |  | 2,464 |  |  | 2,824 |  |  | 2,795 |  |  | 116,465 |
Net income and comprehensive income |  | $ | 36,368 |  |  | $ | 19,951 |  |  | $ | 9,288 |  |  | $ | 101,744 |
Basic net income (loss) per share: |  |  |  |  |  |  |  |
Continuing operations |  | $ | 1.28 |  |  | $ | 0.66 |  |  | $ | 0.25 |  |  | $ | (0.58) |
Discontinued operations |  | 0.09 |  |  | 0.11 |  |  | 0.11 |  |  | 4.51 |
Net income per share 1 |  | $ | 1.37 |  |  | $ | 0.76 |  |  | $ | 0.36 |  |  | $ | 3.94 |
Diluted net income (loss) per share: |  |  |  |  |  |  |  |
Continuing operations |  | $ | 1.27 |  |  | $ | 0.65 |  |  | $ | 0.25 |  |  | $ | (0.58) |
Discontinued operations |  | 0.09 |  |  | 0.11 |  |  | 0.11 |  |  | 4.51 |
Net income per share 1 |  | $ | 1.37 |  |  | $ | 0.76 |  |  | $ | 0.36 |  |  | $ | 3.93 |
|  | 2022
|  | March 31 |  | June 30 |  | September 30 |  | December 31
Operating revenue |  | $ | 401,203 |  |  | $ | 442,191 |  |  | $ | 433,201 |  |  | $ | 403,039 |
Net income from continuing operations |  | $ | 40,463 |  |  | $ | 51,434 |  |  | $ | 48,508 |  |  | $ | 39,009 |
Income from discontinued operations, net of tax |  | 2,223 |  |  | 3,996 |  |  | 3,625 |  |  | 3,933 |
Net income and comprehensive income |  | $ | 42,686 |  |  | $ | 55,430 |  |  | $ | 52,133 |  |  | $ | 42,942 |
Basic net income per share: |  |  |  |  |  |  |  |
Continuing operations |  | $ | 1.49 |  |  | $ | 1.90 |  |  | $ | 1.80 |  |  | $ | 1.46 |
Discontinued operations |  | 0.08 |  |  | 0.15 |  |  | 0.13 |  |  | 0.15 |
Net income per share 1 |  | $ | 1.57 |  |  | $ | 2.05 |  |  | $ | 1.94 |  |  | $ | 1.61 |
Diluted net income per share: |  |  |  |  |  |  |  |
Continuing operations |  | $ | 1.48 |  |  | $ | 1.89 |  |  | $ | 1.80 |  |  | $ | 1.45 |
Discontinued operations |  | 0.08 |  |  | 0.15 |  |  | 0.13 |  |  | 0.15 |
Net income per share 1 |  | $ | 1.57 |  |  | $ | 2.04 |  |  | $ | 1.93 |  |  | $ | 1.60 |
1 Rounding may impact summation of amounts. |  |  |  |  |  |  |  |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 270 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482964/270-10-50-1 + Details
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