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v3.19.3.a.u2

Summary of Significant Accounting Policies - Mezzanine Loans and Impairments (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 USD ($) | Dec. 31, 2019 USD ($) property | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Mortgage loans on real estate |  |  |  |
Number of properties in a JV in which we hold a preferred equity interest | property |  | 4 |  |
Impairment loss from investments in unconsolidated joint ventures | $ 5,500,000 | $ 5,500,000 |  |
Impairments |  |  |  |
Impairment of Real Estate |  | $ 0 | $ 0 | $ 1,880,000
Minimum | Mezzanine Loans |  |  |  |
Mortgage loans on real estate |  |  |  |
Interest rate (as a percent) |  | 12.00% |  |
Loan Term |  | 4 years |  |
Maximum | Mezzanine Loans |  |  |  |
Mortgage loans on real estate |  |  |  |
Interest rate (as a percent) |  | 14.00% |  |
Loan Term |  | 5 years |  |

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- Definition Interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Paragraph Column B -Subsection 29 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29(Column B)) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 + Details
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- Definition The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 8A -URI http://asc.fasb.org/extlink&oid=118954083&loc=SL6284422-111562 + Details
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