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Legal Proceedings (Details) $ in Millions | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
--- | --- | ---
Legal Proceedings |  |
Loss contingency accrual, at carrying value | $ 13.5 | $ 12.3
Regatta at James Island Litigation [Member] |  |
Legal Proceedings |  |
Number of units in real estate property | 212 |

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- Definition [Line Items] for Legal Proceedings Disclosure + References No definition available. + Details
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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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- Definition The number of units in a real estate property owned as of the balance sheet date. + References No definition available. + Details
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- Details
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