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Quarterly Financial Data (Tables) | 12 Months Ended
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Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Quarterly Financial Information | Summarized quarterly data for the years ended December 31, 2016 and 2015 consist of the following (in thousands, except per share amounts):
|  | Year Ended December 31, 2016 |
|  | Q1 |  | Q2 |  | Q3 |  | Q4 |
Revenues |  | $ | 377,812 |  |  | $ | 413,793 |  |  | $ | 510,305 |  |  | $ | 563,136 |  |
Operating income (loss) |  | (19,719 | ) |  | (3,313 | ) |  | (21,784 | ) |  | 28,325 |  |
Net income (loss) |  | (18,673 | ) |  | (13,088 | ) |  | (27,761 | ) |  | 13,687 |  |
Net income (loss) per share |  |  |  |  |  |  |  |  |
Basic |  | $ | (0.46 | ) |  | $ | (0.32 | ) |  | $ | (0.67 | ) |  | $ | 0.30 |  |
Diluted |  | $ | (0.46 | ) |  | $ | (0.32 | ) |  | $ | (0.67 | ) |  | $ | 0.30 |  |
|  | Year Ended December 31, 2015 |
|  | Q1 |  | Q2 |  | Q3 |  | Q4 |
Revenues |  | $ | 543,611 |  |  | $ | 583,759 |  |  | $ | 495,503 |  |  | $ | 443,464 |  |
Operating income (loss) |  | 17,857 |  |  | 27,460 |  |  | 26,274 |  |  | (10,077 | ) |
Net income (loss) |  | 462 |  |  | 11,723 |  |  | 14,740 |  |  | (66,836 | ) | (1)
Net income (loss) per share |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.01 |  |  | $ | 0.31 |  |  | $ | 0.39 |  |  | $ | (1.72 | ) |
Diluted |  | $ | 0.01 |  |  | $ | 0.31 |  |  | $ | 0.39 |  |  | $ | (1.72 | ) |
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(1) | During the fourth quarter of 2015, we recognized an impairment of $41.1 million on our equity investment in Laramie Energy. Please read Note 3—Investment in Laramie Energy, LLC.

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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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