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Summary of Significant Accounting Policies: (Details 2) | 12 Months Ended
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Dec. 31, 2013
Investment in unconsolidated joint ventures |
Threshold ownership percentage above which to use equity method of accounting only if no controlling financial interest | 50.00%
Buildings and improvements | Minimum |
Property, Plant and Equipment |
Estimated useful lives of assets (in years) | 5 years
Buildings and improvements | Maximum |
Property, Plant and Equipment |
Estimated useful lives of assets (in years) | 40 years
Tenant improvements | Minimum |
Property, Plant and Equipment |
Estimated useful lives of assets (in years) | 5 years
Tenant improvements | Maximum |
Property, Plant and Equipment |
Estimated useful lives of assets (in years) | 7 years
Equipment and furnishings | Minimum |
Property, Plant and Equipment |
Estimated useful lives of assets (in years) | 5 years
Equipment and furnishings | Maximum |
Property, Plant and Equipment |
Estimated useful lives of assets (in years) | 7 years

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- Definition Represents the threshold percentage of ownership of common stock or equity participation in an investee above which the equity method of accounting is still applied only if the entity does not have a controlling financial interest in the investee. + References No definition available. + Details
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- Definition Useful life on which depreciation was computed for entities with a substantial portion of business acquiring and holding investment real estate, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28) -URI http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule III) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 28 -Article 12 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule III -Article 5 + Details
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