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Subsequent Events: (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified |  |  | 1 Months Ended |  | 1 Months Ended |  | 1 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2012 | Dec. 31, 2011 | Jun. 30, 2012 Dividend declared | Apr. 27, 2012 Dividend declared | Apr. 30, 2012 Repurchase and retirement of debt Valley View Mall | Apr. 23, 2012 Repurchase and retirement of debt Valley View Mall | Apr. 30, 2012 Disposal of Asset Valley View Mall
Subsequent events |  |  |  |  |  |  |
Dividend/distribution for common stockholders and OP Unit holders (in dollars per share) |  |  |  | $ 0.55 |  |  |
Percentage of dividend/distribution payable in cash |  |  | 100.00% |  |  |  |
Proceeds from sale of property |  |  |  |  |  |  | $ 33,450
Mortgage notes payable | 3,791,894 | 3,896,418 |  |  |  | 125,000 |
Gain (loss) on early extinguishment of debt |  |  |  |  | $ 103,865 |  |

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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + 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=6943989&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 16 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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