Equity - Equity-Based Incentive Compensation - Service Awards Vesting Schedule (Details) - Service awards	3 Months Ended
Jun. 30, 2018 shares
Equity-Based Incentive Compensation
Units vested and issued (in units)	50,992
Unvested restricted units at the beginning of the period (in units)	2,278,875
2019 (nine months)
Equity-Based Incentive Compensation
Units vested and issued (in units)	933,975
2020
Equity-Based Incentive Compensation
Units vested and issued (in units)	962,225
2021
Equity-Based Incentive Compensation
Units vested and issued (in units)	370,925
2022
Equity-Based Incentive Compensation
Units vested and issued (in units)	1,500

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.

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

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+ References

No definition available.

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