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Subsequent Events Common Share Offering (Details) (Issuance of Equity [Member], USD $)
In Millions, except Per Share data, unless otherwise specified |
3 Months Ended |
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Jun. 30, 2011
Units
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Issuance of Equity [Member]
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| Subsequent Event [Line Items] | |
| Subsequent Event, Date | Jul. 06, 2011 |
| Stock Issued During Period, Shares, New Issues | 4.6 |
| Stock Issued During Period Per Share Amount | $ 25.662 |
| Proceeds from Issuance of Common Stock | $ 117.3 |
| Number of Common General Partnership Units Received in Exchange for Contributed Net Proceeds of Share Offering | 13,000 |
| Number of Common Limited Partnership Units Received in Exchange for Contributed Net Proceeds of Share Offering | 1,137,000 |
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Number of Common General Partnership Units Received in Exchange for Contributed Net Proceeds of Share Offering
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Number of Common Limited Partnership Units Received in Exchange for Contributed Net Proceeds of Share Offering
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Stock Issued During Period Per Share Amount
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The cash inflow from the additional capital contribution to the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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.
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Date of subsequent event occurrence or of indication that subsequent event occurred. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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