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Accounting Policies and Basis of Presentation - Narrative (Details) $ in Millions |  | 3 Months Ended |
--- | --- | --- | ---
Nov. 17, 2017 | Mar. 31, 2018 USD ($) segment | Dec. 31, 2017 USD ($)
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |
Number of reportable segments | segment |  | 3 |
Stockholders' equity stock split, conversion ratio | 0.25 |  |
Restricted cash |  | $ 4.4 | $ 3.8
Restricted Cash, Current, Asset, Statement of Financial Position [Extensible List] |  | us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents | us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
Restatement Adjustment |  |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |  |
Other current assets and property, plant and equipment adjustment |  | $ 8.8 |

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