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Summary of Significant Accounting Policies: (Tables) | 12 Months Ended
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Dec. 31, 2011
Summary of Significant Accounting Policies: |
Schedule of estimated useful lives of property |
Buildings and improvements |  | 5 - 40 years
Tenant improvements |  | 5 - 7 years
Equipment and furnishings |  | 5 - 7 years
Schedule of range of the terms of loan and lease agreements |
Deferred lease costs |  | 1 - 15 years
Deferred financing costs |  | 1 - 15 years
In-place lease values |  | Remaining lease term plus an estimate for renewal
Leasing commissions and legal costs |  | 5 - 10 years

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- Definition Tabular disclosure of the estimated useful lives of real estate investment property. + References No definition available. + Details
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- Definition Tabular disclosure of the range of the terms of loan and lease agreements over which costs are deferred and amortized. + References No definition available. + Details
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