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SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF REGISTRANT - CONDENSED BALANCE SHEETS (Parenthetical) (Details) - shares	Dec. 31, 2020	Dec. 31, 2019
Condensed Financial Statements, Captions [Line Items]
Common units outstanding	127,195,219	126,915,597
Parent Company
Condensed Financial Statements, Captions [Line Items]
Common units outstanding	127,195,219	126,915,597

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- References

No definition available.

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X

- Definition

The number of limited partner units outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770

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