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Limited Partnership Units [Member]
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Capital Units, Outstanding	us-gaap_CapitalUnitsOutstanding	11,460,686
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Stock Repurchased and Retired During Period, Shares	us-gaap_StockRepurchasedAndRetiredDuringPeriodShares	0
Stock Issued During Period, Shares, Conversion of Units	us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits	992,454
Common Class A [Member]
Capital Units, Outstanding	us-gaap_CapitalUnitsOutstanding	69,906,602
Capital Units, Outstanding	us-gaap_CapitalUnitsOutstanding	68,554,078
Restricted Stock Units (RSUs) [Member] | Limited Partnership Units [Member]
Stock Issued During Period, Shares, New Issues	us-gaap_StockIssuedDuringPeriodSharesNewIssues	0
Restricted Stock [Member] | Limited Partnership Units [Member]
Stock Issued During Period, Shares, New Issues	us-gaap_StockIssuedDuringPeriodSharesNewIssues	0

X

- Definition

Number of capital units or capital shares outstanding. This element is relevant to issuers of face-amount certificates and registered investment companies.

+ References

No definition available.

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X

- Definition

Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

+ References

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X

- Definition

The number of shares issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit).

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- Definition

Number of new stock issued during the period.

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- Definition

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