Represents the number of employees or former employees that held awards.

No definition available.

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- Definition

The fair value 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

No definition available.

+ Details

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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=96867065&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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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=96867065&loc=d3e5070-113901

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	duration

- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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Balance Type:	na
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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

+ References

No definition available.

+ Details

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- Details

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- Details

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Stock Compensation Plans and Share-Based Compensation Awards - Awards,UAR,RSU,Stock Options (Details) $ / shares in Units, $ in Thousands			1 Months Ended	3 Months Ended		5 Months Ended	6 Months Ended
	May 25, 2018 employee item $ / shares shares	May 22, 2018 USD ($) $ / shares shares	Jun. 30, 2018 USD ($) shares	Jun. 30, 2018 USD ($) shares	Jun. 30, 2017 USD ($)	May 24, 2018 USD ($)	Jun. 30, 2018 USD ($) $ / shares shares	Jun. 30, 2017 USD ($)
Stock Compensation Plans and Share-Based Compensation Awards
Share-based compensation expense \| $				$ 52,134	$ 0		$ 52,134	$ 0
Unrecognized compensation expenses \| $			$ 22,400	22,400			$ 22,400
Vested (in shares)		543,323
Awards surrendered for tax obligations (in shares)		52,476
Class D awards
Stock Compensation Plans and Share-Based Compensation Awards
Granted fair value (in dollars per share) \| $ / shares							$ 16.00
Fair value (in dollars per share) \| $ / shares	$ 16.00
Share-based compensation expense \| $				$ 42,800		$ 0
Vested (in shares)				2,672,666
Number of employees or former employees who held awards \| employee	15
UAR awards
Stock Compensation Plans and Share-Based Compensation Awards
Granted fair value (in dollars per share) \| $ / shares							$ 16.00
Fair value (in dollars per share) \| $ / shares	$ 16.00
Share-based compensation expense \| $				$ 8,700		$ 0
Unrecognized compensation expenses \| $			$ 900	$ 900			$ 900
Vested (in shares)			3,203
Awards surrendered for tax obligations (in shares)			451
Number of employees or former employees who held awards \| item	35
Outstanding unvested awards (in shares)	63,452		60,249	60,249			60,249
Restricted stock units
Stock Compensation Plans and Share-Based Compensation Awards
Granted (in shares)		503,795
Granted fair value (in dollars per share) \| $ / shares		$ 16.00					$ 16.00
Share-based compensation expense \| $		$ 200
Unrecognized compensation expenses \| $			$ 7,800	$ 7,800			$ 7,800
Vested (in shares)				0			0
Outstanding unvested awards (in shares)			503,795	503,795			503,795
Vesting period							4 years
Stock option
Stock Compensation Plans and Share-Based Compensation Awards
Options Granted (in shares)		2,115,625
Options granted fair value (in dollars per option) \| $ / shares		$ 6.68
Share-based compensation expense \| $		$ 400		$ 13,700
Vesting period				4 years
Expiration period				10 years