Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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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.

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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).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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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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No definition available.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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No definition available.

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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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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No definition available.

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Stock-based Compensation - Schedule of Award Activity (Details) - $ / shares shares in Thousands		9 Months Ended
	May 18, 2018	Dec. 31, 2018
Restricted Stock Units (RSUs) [Member] \| Long Term Incentive Plan 2019 2020 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		3 years
Shares
Granted	298
Weighted- average Fair Value on Grant Date
Granted		$ 17.86
Restricted Stock Units (RSUs) [Member] \| Long Term Incentive Plan 2016 2017 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		3 years
Restricted Stock Units (RSUs) [Member] \| Long Term Incentive Plan 2018 2019 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		3 years
Restricted Stock Units (RSUs) [Member] \| Long Term Incentive Plan 2017 2018 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		3 years
Restricted Stock Units (RSUs) [Member] \| May 18, 2019 \| Long Term Incentive Plan 2019 2020 [Member]
Shares
Granted	56
Restricted Stock Units (RSUs) [Member] \| May 18, 2020 \| Long Term Incentive Plan 2019 2020 [Member]
Shares
Granted	120
Restricted Stock Units (RSUs) [Member] \| May 18, 2021 \| Long Term Incentive Plan 2019 2020 [Member]
Shares
Granted	122
Restricted Stock Units, Performance-Based Award [Member] \| Long Term Incentive Plan 2016 2017 [Member]
Shares
Vested		(173)
Restricted Stock Units, Performance-Based Award [Member] \| Long Term Incentive Plan 2018 2019 [Member]
Shares
Vested		0
Restricted Stock Units, Performance-Based Award [Member] \| Long Term Incentive Plan 2017 2018 [Member]
Shares
Vested		0
Restricted Stock Units, Time-Based Award [Member] \| Long Term Incentive Plan 2016 2017 [Member]
Shares
Vested		(191)
Restricted Stock Units, Time-Based Award [Member] \| Long Term Incentive Plan 2018 2019 [Member]
Shares
Vested		(63)
Restricted Stock Units, Time-Based Award [Member] \| Long Term Incentive Plan 2017 2018 [Member]
Shares
Vested		(198)
Restricted Stock
Shares
Beginning balance		1,405
Granted		292
Vested		(1,066)
Forfeited		(21)
Ending balance		610
Weighted- average Fair Value on Grant Date
Beginning balance		$ 9.82
Granted		21.81
Vested		9.49
Forfeited		7.78
Ending balance		$ 16.21