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Variable Interest Entities, Contingent Liabilities and Consolidated Joint Ventures - Ground Leases (Details) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2019 USD ($) item | Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) item | Jun. 30, 2018 USD ($) | Dec. 31, 2018 USD ($)
Variable Interest Entities |  |  |  |  |
Revenues | $ 20,719,000 | $ 19,752,000 | $ 41,874,000 | $ 39,286,000 |
VIE ground leases and aggregate carrying amount and maximum exposure to loss |  |  |  |  |
Restricted cash | $ 337,000 | 416,000 | $ 337,000 | 416,000 | $ 1,106,000
Variable Interest Entity, Not Primary Beneficiary |  |  |  |  |
Variable Interest Entities |  |  |  |  |
Number of affiliated owner/operators | item | 2 |  | 2 |  |
VIE ground leases and aggregate carrying amount and maximum exposure to loss |  |  |  |  |
Land Contract Purchase Price |  |  | $ 24,426,000 |  |
Units in Apartment Complex | item |  |  | 690 |  |
Owner/ Operator Mortgage from Third Party |  |  | $ 106,855,000 |  |
Carrying Amount and Maximum Exposure to Loss | $ 24,437,000 |  | 24,437,000 |  |
Variable Interest Entity, Not Primary Beneficiary | The Briarbrook Village Apartments, Wheaton, Illinois |  |  |  |  |
VIE ground leases and aggregate carrying amount and maximum exposure to loss |  |  |  |  |
Land Contract Purchase Price |  |  | $ 10,530,000 |  |
Units in Apartment Complex | item |  |  | 342 |  |
Owner/ Operator Mortgage from Third Party |  |  | $ 39,411,000 |  |
Restricted cash | 337,000 |  | 337,000 |  | 356,000
Variable Interest Entity, Not Primary Beneficiary | The Briarbrook Village Apartments, Wheaton, Illinois | Land |  |  |  |  |
VIE ground leases and aggregate carrying amount and maximum exposure to loss |  |  |  |  |
Carrying Amount and Maximum Exposure to Loss | 10,536,000 |  | 10,536,000 |  |
Variable Interest Entity, Not Primary Beneficiary | The Vue Apartments, Beachwood, Ohio |  |  |  |  |
VIE ground leases and aggregate carrying amount and maximum exposure to loss |  |  |  |  |
Land Contract Purchase Price |  |  | $ 13,896,000 |  |
Units in Apartment Complex | item |  |  | 348 |  |
Owner/ Operator Mortgage from Third Party |  |  | $ 67,444,000 |  |
Escrow deposit |  |  |  |  | $ 750,000
Variable Interest Entity, Not Primary Beneficiary | The Vue Apartments, Beachwood, Ohio | Land |  |  |  |  |
VIE ground leases and aggregate carrying amount and maximum exposure to loss |  |  |  |  |
Carrying Amount and Maximum Exposure to Loss | 13,901,000 |  | 13,901,000 |  |
Variable Interest Entity, Not Primary Beneficiary | Rental income, net |  |  |  |  |
Variable Interest Entities |  |  |  |  |
Revenues | $ 486,000 | 941,000 | $ 971,000 | 1,947,000 |
Variable Interest Entity, Not Primary Beneficiary | Rental income, net | Property in Lakemoor, Illinois |  |  |  |  |
Variable Interest Entities |  |  |  |  |
Revenues |  | $ 260,000 |  | $ 585,000 |

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- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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