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Acquisitions - Pro Forma Financial Information (Details) - Wyoming Refining Company - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2016 | Sep. 30, 2016
Business Acquisition [Line Items] |  |
Revenues | $ 522,163 | $ 1,463,101
Net loss | $ (26,384) | $ (64,926)
Loss per share |  |
Basic (in dollars per shares) | $ (0.58) | $ (1.43)
Diluted (in dollars per shares) | $ (0.58) | $ (1.43)

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