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Real Estate - Schedule of Property Dispositions (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Gain (Loss) on Sale | $ 485 | $ 485 | $ 2,014 |
Disposed of by sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Sale Price |  | 15,250 |  |
Gain (Loss) on Sale |  | 485 |  |
Disposal Group, Not Discontinued Operations |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Sale Price |  |  |  | $ 109,326
Gain (Loss) on Sale | $ 485 | $ 485 | $ 2,014 | $ 30,324
Fund IV | Disposed of by sale | Colonie Plaza - Albany, NY |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Date Sold |  | Apr. 13, 2020 |  |
Sale Price |  | $ 15,250 |  |
Gain (Loss) on Sale |  | $ 485 |  |
Fund IV | Disposal Group, Not Discontinued Operations | 210 Bowery - 3 Residential Condos - New York, NY |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Date Sold |  |  |  | Nov. 07, 2019
Fund IV | Disposal Group, Not Discontinued Operations | 210 Bowery - 3 Residential Condos - New York, NY | Scenario One |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Date Sold |  |  |  | May 17, 2019
Sale Price |  |  |  | $ 8,826
Gain (Loss) on Sale |  |  |  | $ (242)
Fund IV | Disposal Group, Not Discontinued Operations | 210 Bowery - 3 Residential Condos - New York, NY | Scenario Two |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Date Sold |  |  |  | Sep. 23, 2019
Fund IV | Disposal Group, Not Discontinued Operations | JFK Plaza - Waterville, ME |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Date Sold |  |  |  | Jul. 24, 2019
Sale Price |  |  |  | $ 7,800
Gain (Loss) on Sale |  |  |  | $ 2,075
Fund IV | Disposal Group, Not Discontinued Operations | 938 W North Avenue - Chicago, IL |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Date Sold |  |  |  | Sep. 27, 2019
Sale Price |  |  |  | $ 32,000
Gain (Loss) on Sale |  |  |  | $ 7,144
Fund III | Disposal Group, Not Discontinued Operations | A3104 M St. Washington D C |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Date Sold |  |  |  | Jan. 24, 2019
Sale Price |  |  |  | $ 10,500
Gain (Loss) on Sale |  |  |  | $ 2,014
Fund III | Disposal Group, Not Discontinued Operations | 3780-3858 Nostrand Avenue - New York, NY |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Date Sold |  |  |  | Aug. 22, 2019
Sale Price |  |  |  | $ 27,650
Gain (Loss) on Sale |  |  |  | $ 2,562
Core Portfolio | Disposal Group, Not Discontinued Operations | Pacesetter Park |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Date Sold |  |  |  | Oct. 28, 2019
Sale Price |  |  |  | $ 22,550
Gain (Loss) on Sale |  |  |  | $ 16,771

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- Definition The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228 + Details
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