Stock-Based and Other Long-Term Incentive Compensation (Details) $ in Millions	3 Months Ended
Mar. 31, 2019 USD ($)
The 2015 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Plan modification, expense recognized	$ 4.0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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