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Selected Quarterly Financial Data (Unaudited) | 12 Months Ended
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Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract] |
Selected Quarterly Financial Data (Unaudited) | SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) The following table summarizes quarterly financial data for the years ended December 31, 2018 and 2017:
|  | 2018
|  | First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter
|  | (In thousands)
Revenues |  | $ | 325,392 |  |  | $ | 252,740 |  |  | $ | 360,962 |  |  | $ | 415,950 |
Income from operations |  | 110,318 |  |  | 13,791 |  |  | 113,576 |  |  | 154,635 |
Income tax benefit |  | (69 | ) |  | — |  |  | — |  |  | — |
Net income |  | 90,090 |  |  | 111,319 |  |  | 95,150 |  |  | 134,001 |
Income per share: |  |  |  |  |  |  |  |
Basic |  | $ | 0.50 |  |  | $ | 0.64 |  |  | $ | 0.55 |  |  | $ | 0.78 |
Diluted |  | $ | 0.50 |  |  | $ | 0.64 |  |  | $ | 0.55 |  |  | $ | 0.78 |
|  | 2017
|  | First Quarter |  | Second Quarter |  | Third Quarter |  | Fourth Quarter
|  | (In thousands)
Revenues |  | $ | 333,004 |  |  | $ | 323,953 |  |  | $ | 265,498 |  |  | $ | 397,848 |
Income from operations |  | 181,683 |  |  | 143,175 |  |  | 50,483 |  |  | 173,025 |
Income tax expense (benefit) |  | — |  |  | — |  |  | 2,763 |  |  | (954 | )
Net income |  | 154,455 |  |  | 105,936 |  |  | 18,235 |  |  | 156,526 |
Income per share: |  |  |  |  |  |  |  |
Basic |  | $ | 0.91 |  |  | $ | 0.58 |  |  | $ | 0.10 |  |  | $ | 0.85 |
Diluted |  | $ | 0.91 |  |  | $ | 0.58 |  |  | $ | 0.10 |  |  | $ | 0.85 |

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- References No definition available. + Details
Name: | us-gaap_QuarterlyFinancialInformationDisclosureAbstract
Namespace Prefix: | us-gaap_
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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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