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Real Estate Investments - Properties held-for-sale (Details) $ in Thousands | Jun. 30, 2018 USD ($) $ / item property | Dec. 31, 2017 USD ($)
--- | --- | ---
Real estate investments |  |
Accumulated depreciation | $ 301,458 | $ 304,117
ILF | Properties held-for-sale | Texas |  |
Real estate investments |  |
Number of properties | property | 1 |
Gross Investment | $ 5,746 |
Accumulated depreciation | $ 1,916 |
Number of beds/units | $ / item | 140 |

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- Definition The number of units in a real estate property owned as of the balance sheet date. + References No definition available. + Details
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- Definition The cumulative amount of depreciation for real estate property held for investment purposes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(3)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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=6879938&loc=d3e572229-122910 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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