Employee Benefit Plans - Schedule Of Equity PSU Award Activity (Details) - Equity PSU Awards - $ / shares	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Units
Awards outstanding at beginning of year (in shares)	1,006,360	613,665	0
Granted (in shares)	688,540	449,271	671,771
Forfeited (in shares)	(129,856)	(56,576)	(58,106)
Awards outstanding at end of year (in shares)	1,565,044	1,006,360	613,665
Grant Date Fair Value
Awards outstanding at beginning of year (in dollars per share)	$ 11.76	$ 12.64	$ 0
Granted (in dollars per share)	7.60	10.44	12.64
Forfeited (in dollars per share)	8.91	10.83	12.64
Awards outstanding at end of year (in dollars per share)	$ 10.17	$ 11.76	$ 12.64

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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-Paragraph 2
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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
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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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- 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
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-Paragraph 2
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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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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
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-Paragraph 2
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