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Goodwill | 9 Months Ended
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Sep. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill | Note 7—Goodwill During the nine months ended September 30, 2016, the change in the carrying amount of goodwill was as follows (in thousands):
Balance at beginning of period | $ | 41,327 |
Acquisition of Wyoming Refining Company (1) | 63,266 |
Mid Pac acquisition purchase price allocation adjustments (1) | (589 | )
Balance at end of period | $ | 104,004 |
_________________________________________________________ (1)Please read Note 4—Acquisitions for further information.

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