v2.4.0.8

Real Estate - Real Estate Assets (Detail) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Jun. 30, 2014 sqft | Dec. 31, 2013
--- | --- | --- | ---
Real Estate Properties [Line Items] |  |  |
Square Feet / Acres |  | 12,600,000 |
Industrial operating properties: |  |  |
Total investments in real estate properties | $ 19,466,582 |  | $ 20,824,477
Less accumulated depreciation | 2,695,745 |  | 2,568,998
Net investments in real estate properties | 16,770,837 |  | 18,255,479
Improved Land [Member] |  |  |
Industrial operating properties: |  |  |
Total investments in real estate properties | 3,641,571 |  | 4,074,647
Building and Improvements [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Square Feet / Acres | 241,104,000 |  | 267,097,000
Number of buildings | 1,415 |  | 1,610
Industrial operating properties: |  |  |
Total investments in real estate properties | 12,514,097 |  | 13,726,417
Development Portfolio, Including Cost of Land: Pre-stabilized [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Square Feet / Acres | 5,105,000 |  | 4,491,000
Number of buildings | 15 |  | 11
Industrial operating properties: |  |  |
Total investments in real estate properties | 391,055 |  | 204,022
Properties Under Development [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Square Feet / Acres | 21,158,000 |  | 18,587,000
Number of buildings | 51 |  | 46
Industrial operating properties: |  |  |
Total investments in real estate properties | 925,415 |  | 816,995
Land [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Square Feet / Acres | 9,226,000 |  | 9,747,000
Industrial operating properties: |  |  |
Total investments in real estate properties | 1,533,590 |  | 1,516,166
Other Real Estate Investments [Member] |  |  |
Industrial operating properties: |  |  |
Total investments in real estate properties | $ 460,854 |  | $ 486,230

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- Definition Area of a real estate property. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 7 + 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 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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