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Real Estate - Real Estate Under Development and Construction in Progress (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 USD ($) property | Dec. 31, 2016 USD ($) property
Property, Plant and Equipment [Line Items] |  |
Real estate under development | $ 510,548 | $ 543,486
Real estate in service | 2,621,536 | $ 2,551,448
Real Estate Under Development, Reclassification Amount | 76,400 |
City Point [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Real estate development, capitalized costs | 3,800 |
Real estate in service | $ 113,200 |
Core Portfolio [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Number of real estate properties | property | 1 | 1
Fund II [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Number of real estate properties | property | 2 | 2
Fund III [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Number of real estate properties | property | 3 | 3
Fund IV [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Number of real estate properties | property | 4 | 4

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- Definition Real Estate Under Development, Reclassification Amount + References No definition available. + Details
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- Definition The current amount of expenditures for a real estate project that has not yet been completed. + 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 210.7-03.10) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Phase -URI http://asc.fasb.org/extlink&oid=49177889 + 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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- Definition Carrying amount as of the balance sheet date of interest costs that were capitalized to properties under development during the land development and construction period of a project, and which are included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 + Details
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- Definition Amount of real estate investment property, net of accumulated depreciation, 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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