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Income Taxes (Details) - USD ($) $ in Millions |  |  |  | 3 Months Ended
--- | --- | --- | --- | ---
Jun. 08, 2016 | Apr. 01, 2016 | Feb. 03, 2016 | Mar. 31, 2017 | Mar. 31, 2016
Related Party Transaction [Line Items] |  |  |  |  |
Income tax rate |  |  |  | 17.40% | 5.90%
Affiliated Entity | Retailco |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Number of shares of common stock exchanged | 500,000 | 1,725,000 | 1,000,000 |  |
Net deferred tax asset | $ 5.3 | $ 7.6 | $ 8.0 |  |
Long-term deferred tax liability | 6.9 | 10.3 | 10.3 |  |
Long-term deferred tax asset | $ 2.6 | $ 3.9 | $ 3.9 |  |
NuDevco Retail Holdings and NuDevco Retail |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Net deferred tax asset |  |  |  | $ 15.6 |
Payable pursuant to the TRA |  |  |  | 49.9 |
Long-term deferred tax asset related to the TRA |  |  |  | $ 19.7 |

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