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Real Estate (Real Estate Available and Held for Sale) (Details) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2015 USD ($) | Sep. 30, 2014 property | Dec. 31, 2014 USD ($)
Real Estate Properties [Line Items] |  |  |  |
Real estate available and held for sale | [1] | $ 296,591 |  | $ 285,982
Residential Operating Properties |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Real estate available and held for sale |  | 132,800 |  | 155,800
Land & Development |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Real estate available and held for sale | [1] | 157,693 |  | 118,679
Commercial Operating Properties |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Property Transferred from HFS, Aggregate, Carrying Value |  | 2,900 |  |
Condominium Units |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Number of properties acquired | property |  |  | 2 |
Net Lease |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Real estate available and held for sale | [1] | 1,953 |  | 4,521
Operating Properties |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Real estate available and held for sale | [1] | 136,945 |  | $ 162,782
Construction Substantially Complete | Residential Units [Member] |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Property Transferred to Held for Sale, Aggregate, Carrying Value |  | 55,500 |  |
Executed Contract with Third Party | Net Lease |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Property Transferred to Held for Sale, Aggregate, Carrying Value |  | $ 8,200 |  |
[1] | As of September 30, 2015 and December 31, 2014, the Company had $132.8 million and $155.8 million, respectively, of residential properties available for sale in its operating properties portfolio.

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- Definition Carrying amount as of the balance sheet date of investments in land and buildings held for sale, including real estate considered to be inventory of the entity. + References No definition available. + Details
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- Definition 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. + References No definition available. + Details
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