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Subsequent Events: (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 0 Months Ended | 1 Months Ended |
--- | --- | --- | ---
Mar. 22, 2010 | Nov. 28, 2012 Kings Plaza | Jan. 24, 2013 Subsequent event Green Acres Mall sqft | Jan. 03, 2013 Subsequent event Kings Plaza | Jan. 02, 2013 Subsequent event Kierland Commons | Mar. 02, 2013 Subsequent event Dividend declared | Feb. 02, 2013 Subsequent event Dividend declared
Subsequent events |  |  |  |  |  |  |
Interest rate basis |  |  |  |  | LIBOR |  |
Interest rate spread over basis (as a percent) |  |  |  |  | 1.90% |  |
Property square footage |  |  | 1,800,000 |  |  |  |
Purchase price on acquisition |  |  | $ 500,000 |  |  |  |
Placement of mortgage note on the property |  | 354,000 | 325,000 | 146,000 |  |  |
Borrowings under entity's line of credit |  |  | $ 175,000 |  |  |  |
Dividend/distribution for common stockholders and OP Unit holders (in dollars per share) |  |  |  |  |  |  | $ 0.58
Percentage of dividend/distribution payable in cash | 10.00% |  |  |  |  | 100.00% |

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