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Legal Proceedings (Details) $ in Millions | Mar. 31, 2016 USD ($) apartmentunits | Dec. 31, 2015 USD ($)
--- | --- | ---
Loss Contingencies [Line Items] |  |
Number of Units in Real Estate Property | apartmentunits | 79,896 |
Loss Contingency Accrual | $ | $ 14.0 | $ 13.5
Regatta at James Island Litigation [Member] |  |
Loss Contingencies [Line Items] |  |
Number of Units in Real Estate Property | 212 |

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- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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