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Investments in Unconsolidated Real Estate Funds - Summary of Investment in Unconsolidated Real Estate Funds and Income or Loss from Fund Investments (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Our Share of Investments: |  |  |
Investments in unconsolidated real estate funds | $ 10,317 | $ 10,352 |
(Loss) income from unconsolidated real estate funds | (343) | (269) | $ (6,143)
Net realized loss | (54) |  | (126)
Net unrealized loss | (828) | (560) | (663)
Net investment income [Member] |  |  |
Our Share of Investments: |  |  |
(Loss) income from unconsolidated real estate funds | 539 | 291 | 236
Carried interest [Member] |  |  |
Our Share of Investments: |  |  |
(Loss) income from unconsolidated real estate funds |  |  | $ (5,590)
Property Funds [Member] |  |  |
Our Share of Investments: |  |  |
Investments in unconsolidated real estate funds | 33 | 2,340 |
Alternative Investment Fund [Member] |  |  |
Our Share of Investments: |  |  |
Investments in unconsolidated real estate funds | $ 10,284 | $ 8,012 |

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- Definition Equity method investment summarized financial information realized gain (losses) net. + References No definition available. + Details
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- Definition Equity method investment summarized financial information unrealized gain (losses) net. + References No definition available. + Details
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- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its real estate fund investments to which equity method of accounting is applied. + References No definition available. + Details
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- References No definition available. + Details
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- Definition The carrying amount of investments in unconsolidated real estate and other joint ventures not separately presented. This includes direct and indirect investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
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