Share-based Compensation Arrangement by Share-based Payment Award, Number of Individuals Eligible

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Award Measurement Period

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Weighted Average Grant Date Fair Value

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Partnership Unit Conversion Ratio

+ References

No definition available.

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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)

-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

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=6415400&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=6415400&loc=d3e5070-113901

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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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=6415400&loc=d3e5070-113901

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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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=6415400&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=6415400&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=6415400&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

Percentage of vesting of share-based compensation awards.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Unit-Based Compensation - Phantom, Board and Restricted Units (Details)							6 Months Ended		12 Months Ended
	Jun. 15, 2015 director $ / shares shares	Feb. 24, 2015 shares	May. 15, 2014 director $ / shares shares	Mar. 04, 2014 shares	Mar. 07, 2013	Sep. 21, 2009	Jun. 30, 2015 USD ($) shares	Jun. 30, 2014 USD ($)	Dec. 31, 2014 shares
Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)							21,500
Unvested units not included in consolidated balance sheet (in shares)							410,710.00		451,173
Share-based compensation expense \| $							$ 16,359	$ 256,674
Unrecognized compensation costs \| $							$ 16,867
Unrecognized compensation costs, period of recognition							2 years 2 months 28 days
Stock Appreciation Rights (SARs) [Member] \| Ratable vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period							3 years		3 years
Stock Appreciation Rights (SARs) [Member] \| Cliff vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period									3 years
Subjective phantom share units (PSUs) \| Executive officers
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		341,251		117,197
Subjective phantom share units (PSUs) \| Executive officers \| Ratable vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period						3 years
Objective phantom share units (PSUs) \| Executive officers
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award measurement period					3 years
Granted (in shares)		259,998		102,572
Objective phantom share units (PSUs) \| Executive officers \| Ratable vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period					3 years
Objective phantom share units (PSUs) \| Executive officers \| Three-step process vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period						3 years
Objective phantom share units (PSUs) \| Executive officers \| Three-step process vesting, each of first two steps
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage						50.00%
Objective phantom share units (PSUs) \| Executive officers \| Cliff vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period					3 years
Phantom share units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Partnership unit conversion ratio							1
Share-based compensation expense \| $							$ 1,400,000	1,000,000
Restricted stock units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested units not included in consolidated balance sheet (in shares)							508,830
Share-based compensation expense \| $							$ 1,200,000	$ 1,100,000
Unrecognized compensation costs \| $							$ 6,100,000
Unrecognized compensation costs, period of recognition							2 years 6 months 24 days
Restricted stock units (RSUs) \| Non-executive employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)									127,845
Restricted stock units (RSUs) \| Non-executive employees \| Ratable vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period							3 years		3 years
Restricted stock units (RSUs) \| Non-executive employees and certain executives
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)							326,160
Restricted stock units (RSUs) \| Executive employee \| Ratable vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period							3 years
Restricted stock units (RSUs) \| Executive employee \| Five-year full vest
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period							5 years
Unrestricted units \| Non-employee directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	11,025		3,628
Individuals eligible for plan \| director	6		5
Value of each unit at issuance (in dollars per share) \| $ / shares	$ 9.13		$ 27.50