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Real Estate and Lease Intangibles - Real Estate Acquisitions and Dispositions (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 USD ($) Property | Dec. 31, 2016 USD ($) Property
Real Estate [Line Items] |  |
Properties acquired | 4 | 4
Property Units acquired | 947 | 573
Purchase Price | $ | $ 468,050 | $ 249,334
Properties disposed | 5 | 99
Property Units disposed | 1,194 | 29,776
Sales Price | $ | $ 388,400 | $ 6,943,458
Partially Owned Properties – Unconsolidated |  |
Real Estate [Line Items] |  |
Properties disposed |  | 1
Property Units disposed |  | 336
Sales Price | $ |  | $ 74,500
Rental Properties – Consolidated [Member] |  |
Real Estate [Line Items] |  |
Properties acquired | 4 | 4
Property Units acquired | 947 | 573
Purchase Price | $ | $ 468,050 | $ 249,334
Properties disposed | 5 | 98
Property Units disposed | 1,194 | 29,440
Sales Price | $ | $ 354,950 | $ 6,811,503
Land [Member] |  |
Real Estate [Line Items] |  |
Purchase Price | $ | $ 68,300 | $ 98,000
Properties disposed | 0 | 0
Property Units disposed | 0 | 0
Sales Price | $ | $ 33,450 | $ 57,455

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- Definition Total number of rental units associated with rental properties that the company disposed of to unaffiliated third parties during the period. + References No definition available. + Details
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- Definition Amount of assets acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + 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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- Details
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