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Reverse Recapitalization - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions | Oct. 27, 2014 | Sep. 30, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 10, 2014 | Dec. 31, 2013
--- | --- | --- | --- | --- | --- | ---
Class of Stock [Line Items] |  |  |  |  |  |
Common stock, shares authorized (in shares) |  | 100,000,000 | 100,000,000 |  |  |
Common stock, par value (in dollars per share) |  | $ 0.01 | $ 0.01 |  |  |
Common stock, shares outstanding (in shares) |  | 48,813,889 | 31,346,084 |  |  |
Common Stock |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Common stock, shares outstanding (in shares) |  | 48,813,889 | 31,346,084 | 11,108,500 |  | 11,108,500
Reverse Recapitalization |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Common stock, shares authorized (in shares) |  | 100,000,000 |  |  |  |
Common stock, par value (in dollars per share) |  | $ 0.01 |  |  |  |
Common stock, shares outstanding (in shares) | 31,346,084 |  |  |  |  |
Transaction costs |  |  | $ 3.2 |  |  |
Reverse Recapitalization | JBGL | LLC and LP | Common Stock |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Agreed upon purchase price, cash and equity | $ 275.0 |  |  |  | $ 275.0 |
Cash payment to acquired business | $ 191.8 |  |  |  |  |
Noncash portion of business acquisition | 11,108,500 |  |  |  |  |
Issue price of shares | $ 7.49 |  |  |  |  |

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