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Acquisitions: (Tables) | 12 Months Ended
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Dec. 31, 2011
Acquisitions: |
Summary of gain on remeasurement of existing investment |
Fair value of existing ownership interest (at 50% ownership) |  | $ | 4,164 |
Carrying value of investment in Desert Sky Mall |  |  | (2,296 | )
Gain on remeasurement |  | $ | 1,868 |
Desert Sky Mall |
Acquisition |
Summary of the allocation of fair value |
Property |  | $ | 46,603 |
Deferred charges, net |  |  | 5,474 |
Cash and cash equivalents |  |  | 6,057 |
Tenant receivables |  |  | 202 |
Other assets, net |  |  | 4,481 |
Total assets acquired |  |  | 62,817 |
Mortgage note payable |  |  | 51,500 |
Accounts payable |  |  | 33 |
Other accrued liabilities |  |  | 3,017 |
Total liabilities assumed |  |  | 54,550 |
Fair value of acquired net assets (at 100% ownership) |  | $ | 8,267 |
Fashion Outlets of Niagara |
Acquisition |
Summary of the allocation of fair value |
Property |  | $ | 228,720 |
Restricted cash |  |  | 5,367 |
Deferred charges |  |  | 10,383 |
Other assets, net |  |  | 3,090 |
Total assets acquired |  |  | 247,560 |
Mortgage note payable |  |  | 130,006 |
Accounts payable |  |  | 231 |
Other accrued liabilities |  |  | 38,037 |
Total liabilities assumed |  |  | 168,274 |
Fair value of acquired net assets |  | $ | 79,286 |
SDG Properties |
Acquisition |
Summary of the allocation of fair value |
Property |  | $ | 371,344 |
Tenant receivables |  |  | 10,048 |
Deferred charges |  |  | 30,786 |
Other assets, net |  |  | 32,826 |
Total assets acquired |  |  | 445,004 |
Mortgage notes payable |  |  | 211,543 |
Accounts payable |  |  | 10,416 |
Other accrued liabilities |  |  | 18,578 |
Total liabilities assumed |  |  | 240,537 |
Fair value of acquired net assets |  | $ | 204,467 |

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- Definition Tabular disclosure of all of the fair values of the purchase price and assets and liabilities acquired in a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 805 -SubTopic 30 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6911361&loc=d3e6927-128479 + Details
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