Incremental Increase In Number Of Shares Available For Issuance Under The Amended Plan

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Maximum Shares Value Per Employee

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Conversion of Units to Shares Ratio

+ References

No definition available.

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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.

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- Definition

The highest quantity of shares an employee can purchase under the plan per 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
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Number of additional shares authorized for issuance under an established share-based compensation plan.

+ References

No definition available.

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ 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)(3)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ 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 (g)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ 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 (g)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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Incentive Plan (Narrative) (Details)				1 Months Ended	12 Months Ended
Incentive Plan (Narrative) (Details)	Sep. 22, 2017 shares	Jan. 01, 2017 shares	May 02, 2007 USD ($) shares	Jan. 31, 2018 shares	Dec. 31, 2017 $ / shares shares	Dec. 31, 2016 shares	May 01, 2007 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares granted per employee (in shares)			1,500,000
Maximum amount of cash paid per employee \| $			$ 10,000,000.0
Number of shares remaining for issuance under the Incentive Plan (in shares)					7,500,000
Class D Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vested (in shares)		399,250
2004 Incentive Award Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized and reserved for issuance under the Incentive Plan (in shares)							4,474,102
Additional shares registered, issuable pursuant to 2014 Plan	3,714,560
Amended And Restated 2004 Incentive Award Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized and reserved for issuance under the Incentive Plan (in shares)			9,474,102
Increase in number of shares reserved for issuance (in shares)			5,000,000
Two Thousand Fourteen Incentive Award Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion of units to shares ratio					1
Distribution Equivalent Unit [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vested (in shares)					36,246	44,702
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vested (in shares)		138,567			49,707
Exercise Price Range, $41.73
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit \| $ / shares					$ 41.73
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit \| $ / shares					$ 41.73
Subsequent Event \| Class D Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vested (in shares)				363,193