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Real Estate (Acquisitions) (Details) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2015 USD ($) property | Jun. 30, 2014 USD ($) property
Real Estate Properties [Line Items] |  |
Acquisitions of real estate assets | $ | $ 0 | $ 2,412
Condominium Units |  |
Real Estate Properties [Line Items] |  |
Acquisitions of real estate assets | $ |  | $ 2,400
Number of properties acquired |  | 1
Real Estate Acquired in Satisfaction of Debt [Member] |  |
Real Estate Properties [Line Items] |  |
Fair Value of Assets Acquired | $ | $ 13,400 | $ 77,900
Residential Operating Properties [Member] | Real Estate Acquired in Satisfaction of Debt [Member] |  |
Real Estate Properties [Line Items] |  |
Number of properties acquired | 1 |
Commercial Operating Properties | Real Estate Acquired in Satisfaction of Debt [Member] |  |
Real Estate Properties [Line Items] |  |
Number of properties acquired |  | 3

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- Definition The fair value of assets acquired in noncash investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 + Details
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