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Quarterly Financial Information (Unaudited) | 12 Months Ended
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Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Information (Unaudited) | Quarterly Financial Information (unaudited)
| 1st Quarter |  | 2nd Quarter |  | 3rd Quarter |  | 4th Quarter
| (in thousands, except per share data)
2017 |  |  |  |  |  |  |
Revenue | $ | 2,055 |  |  | $ | 1,666 |  |  | $ | 1,663 |  |  | $ | 152,359 |
Net income (loss) | (37,655 | ) |  | (40,654 | ) |  | (47,043 | ) |  | 105,727 |
Net income (loss) per share, basic | $ | (1.08 | ) |  | $ | (1.14 | ) |  | $ | (1.28 | ) |  | $ | 2.87 |
Net income (loss) per share, diluted | $ | (1.08 | ) |  | $ | (1.14 | ) |  | $ | (1.28 | ) |  | $ | 2.80 |
2016 |  |  |  |  |  |  |  |  |  |  |
Revenue | $ | 2,846 |  |  | $ | 80,673 |  |  | $ | 3,255 |  |  | $ | 5,106 |
Net income (loss) | (30,363 | ) |  | 40,464 |  |  | (33,846 | ) |  | (34,783 | )
Net income (loss) per share, basic | $ | (0.88 | ) |  | $ | 1.17 |  |  | $ | (0.97 | ) |  | $ | (1.00 | )
Net income (loss) per share, diluted | $ | (0.88 | ) |  | $ | 1.12 |  |  | $ | (0.97 | ) |  | $ | (1.00 | )

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- References No definition available. + Details
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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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