Equity-Based Compensation - Summary of Status of Stock Options (Details 5)	12 Months Ended
Dec. 31, 2018 $ / shares shares
Equity-Based Compensation
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	1 year 5 months 5 days
Service Based Restricted Stock Units [Member]
Equity-Based Compensation
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	1 year 2 months 16 days
Performance Based Restricted Stock Units [Member]
Equity-Based Compensation
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	1 year 6 months 22 days
Options
Additional Disclosure Status of Stock Options
Weighted average remaining contractual life	0 years
Share Based Compensation Arrangement By Share Based Payment Award Options Maximum Contractual Term	10 years
Employee Service Share Based Compensation Awards Stock Options Outstanding	0
Performance Option [Member]
Summary of Status of Stock Options
Outstanding, Options at end of period, shares	350,000
Weighted- Average Exercise Price
Exercisable, Weighted - Average Exercise Price at end of period \| $ / shares	$ 18.37
Additional Disclosure Status of Stock Options
Share Based Compensation Arrangement By Share Based Payment Award Options Maximum Contractual Term	5 years

Represents the number of outstanding stock options.

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Share based compensation arrangement by share based payment award options maximum contractual term.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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- Definition

Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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