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Summarized Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Quarterly Financial Information | Quarterly financial information for 2018 and 2019 is as follows (in thousands except per share data):
| Quarter
2018 | First |  | Second |  | Third |  | Fourth
Revenues | $ | 116,469 |  |  | $ | 114,668 |  |  | $ | 160,945 |  |  | $ | 242,103 |
Income from operations | 11,328 |  |  | 4,184 |  |  | (57,127 | ) |  | 18,875 |
Net income (loss) | 9,467 |  |  | 5,188 |  |  | (52,781 | ) |  | 22,455 |
Net income (loss) per share: |  |  |  |  |  |  |
Basic | $ | 0.88 |  |  | $ | 0.48 |  |  | $ | (2.97 | ) |  | $ | 1.05 |
Diluted | $ | 0.84 |  |  | $ | 0.46 |  |  | $ | (2.97 | ) |  | $ | 1.02 |
| Quarter
2019 | First |  | Second |  | Third |  | Fourth
Revenues | $ | 246,508 |  |  | $ | 245,110 |  |  | $ | 241,747 |  |  | $ | 263,772 |
Income from operations | 25,723 |  |  | 27,596 |  |  | 20,000 |  |  | 37,213 |
Net income | 11,500 |  |  | 24,409 |  |  | 16,692 |  |  | 28,537 |
Net income per share: |  |  |  |  |  |  |
Basic | $ | 0.53 |  |  | $ | 1.12 |  |  | $ | 0.77 |  |  | $ | 1.31 |
Diluted | $ | 0.52 |  |  | $ | 1.10 |  |  | $ | 0.75 |  |  | $ | 1.29 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109225645&loc=d3e1280-108306 + Details
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