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Subsequent Events: (Details) (Subsequent event, USD $) In Thousands, except Per Share data, unless otherwise specified |  | 0 Months Ended |
--- | --- | --- | ---
Sep. 06, 2014 | Jul. 30, 2014 The Gallery | Jul. 30, 2014 The Gallery sqft
Subsequent events |  |  |
Dividend/distribution for common stockholders and OP Unit holders (in dollars per share) | $ 0.62 |  |
Property area (in square feet) |  |  | 1,400,000
Ownership percentage acquired |  | 50.00% |
Purchase price |  | $ 106,800 |

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