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Investments in and Advances to Joint Ventures - Additional Information (Detail) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2016 USD ($) ShoppingCenter Asset | Mar. 31, 2015 USD ($) | Dec. 31, 2015 ShoppingCenter
Schedule Of Equity Method Investments [Line Items] |  |  |
Gain on sale of joint venture assets | $ 12,381 | $ 25,094 |
Shopping Center [Member] | Parent Company [Member] |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Gain on sale of joint venture assets | $ 13,500 |  |
Unconsolidated Joint Ventures [Member] |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Number of properties | ShoppingCenter | 157 |  | 168
Unconsolidated Joint Ventures [Member] | Shopping Center [Member] |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Number of properties sold | Asset | 11 |  |
Proceeds from sale of joint venture assets | $ 170,500 |  |
Gain on sale of joint venture assets | $ 53,400 |  |

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- Definition The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 + Details
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