Equity-Based Compensation Plans - Summary of Performance-Based Unvested Stock Unit Awards (Details) - Performance Based Awards - $ / shares shares in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Shares/units [Roll Forward]
Unvested Shares/units, Beginning balance	0	114	261
Forfeited, Shares/units	0	0	(6)
Unvested shares/units, Ending balance	0	0	114
Weighted Average Grant-Date Fair Value [Roll Forward]
Unvested, Weighted Average Grant-Date Fair Value, Beginning balance	$ 0	$ 18.06	$ 17.98
Forfeited, Weighted Average Grant-Date Fair Value	0	0	18.23
Unvested, Weighted Average Grant-Date Fair Value, Ending balance	$ 0	$ 0	$ 18.06
2019 Long Term Incentive and Equity Award Plan
Shares/units [Roll Forward]
Granted, Shares/units	2,927
Forfeited, Shares/units	(642)
Unvested shares/units, Ending balance	2,285
Weighted Average Grant-Date Fair Value [Roll Forward]
Granted, Weighted Average Grant-Date Fair Value	$ 2.59
Forfeited, Weighted Average Grant-Date Fair Value	3.20
Unvested, Weighted Average Grant-Date Fair Value, Ending balance	$ 2.42

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(3)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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-Publisher FASB
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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

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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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
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