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Selected Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract] |
Selected Quarterly Financial Data | The following table summarizes quarterly financial data for the years ended December 31, 2015 and 2014:
|  | 2015
|  | First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter
|  | (In thousands)
Revenues |  | $ | 176,317 |  |  | $ | 112,270 |  |  | $ | 230,569 |  |  | $ | 190,319 |
Income (loss) from operations |  | 28,773 |  |  | (21,644 | ) |  | (529,076 | ) |  | (812,282 | )
Income tax expense (benefit) |  | 14,479 |  |  | (17,214 | ) |  | (216,603 | ) |  | (36,663 | )
Net income (loss) |  | 25,519 |  |  | (31,325 | ) |  | (388,209 | ) |  | (830,869 | )
Income (loss) per share: |  |  |  |  |  |  |  |
Basic |  | $ | 0.30 |  |  | $ | (0.32 | ) |  | $ | (3.59 | ) |  | $ | (7.67 | )
Diluted |  | $ | 0.30 |  |  | $ | (0.32 | ) |  | $ | (3.59 | ) |  | $ | (7.67 | )
|  | 2014
|  | First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter
|  | (In thousands)
Revenues |  | $ | 118,029 |  |  | $ | 114,736 |  |  | $ | 170,804 |  |  | $ | 267,697 |
Income from operations |  | 25,109 |  |  | 18,110 |  |  | 53,454 |  |  | 129,458 |
Income tax expense |  | 49,247 |  |  | 31,461 |  |  | 4,876 |  |  | 67,757 |
Net income |  | 82,558 |  |  | 47,852 |  |  | 6,920 |  |  | 110,073 |
Income per share: |  |  |  |  |  |  |  |
Basic |  | $ | 0.97 |  |  | $ | 0.56 |  |  | $ | 0.08 |  |  | $ | 1.29 |
Diluted |  | $ | 0.96 |  |  | $ | 0.56 |  |  | $ | 0.08 |  |  | $ | 1.28 |

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=51825399&loc=d3e1280-108306 + Details
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