v2.4.0.8

Real Estate - Summary of Dispositions (Detail) (USD $) In Thousands, unless otherwise specified |  | 9 Months Ended
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Jun. 30, 2014 sqft | Sep. 30, 2014 Continuing Operations [Member] Contributions to Co-investment Ventures [Member] Property sqft | Sep. 30, 2013 Continuing Operations [Member] Contributions to Co-investment Ventures [Member] sqft Property | Sep. 30, 2014 Continuing Operations [Member] Dispositions to Third Parties [Member] Property sqft | Sep. 30, 2013 Continuing Operations [Member] Dispositions to Third Parties [Member] Property sqft | Sep. 30, 2014 Discontinued Operations [Member] sqft Property | Sep. 30, 2013 Discontinued Operations [Member] Property sqft
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Number of properties |  | 115 | 221 | 106 |  |  | 39
Square feet | 12,600,000 | 22,806,000 | 62,213,000 | 14,663,000 |  |  | 4,802,000
Net proceeds |  | $ 1,627,424 | $ 5,205,322 | $ 955,240 | $ 84,518 |  | $ 297,465
Net gains on contributions and dispositions |  | 156,746 | 407,788 | 180,949 | 2,280 |  |
Net gains from dispositions, including taxes |  |  |  |  |  |  | $ 59,598

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- Definition Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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- Definition The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.14(d)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 14 -Subparagraph d -Article 9 + Details
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- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
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- Definition Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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