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Investments In Unconsolidated Joint Ventures (RiverPark At Harrison I, L.L.C.) (Narrative) (Details) (USD $)
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12 Months Ended | |
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Dec. 31, 2013
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Oct. 23, 2012
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RiverPark At Harrison I, L.L.C. [Member]
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| Schedule of Equity Method Investments [Line Items] | ||
| Percentage of interest in venture | 36.00% | |
| Holding and distribution pattern under operating agreement | In general, the operating agreement of Riverpark provides, among other things, for the distribution of net cash flow to the members in accordance with their ownership percentages. | |
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RiverPark At Harrison I, L.L.C. [Member] | Chall Enterprises, L.L.C. [Member]
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| Schedule of Equity Method Investments [Line Items] | ||
| Third party ownership percentage | 36.00% | |
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RiverPark At Harrison I, L.L.C. [Member] | Investor Group [Member]
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| Schedule of Equity Method Investments [Line Items] | ||
| Third party ownership percentage | 28.00% | |
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Riverpark Project [Member]
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| Schedule of Equity Method Investments [Line Items] | ||
| Percentage of capital required to fund project | 40.50% | |
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Riverpark Project [Member] | RiverPark At Harrison I, L.L.C. [Member]
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| Schedule of Equity Method Investments [Line Items] | ||
| Number of units | 141 | |
| Total project costs | $ 27,900,000 | |
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Construction Loan [Member] | RiverPark At Harrison I, L.L.C. [Member]
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| Schedule of Equity Method Investments [Line Items] | ||
| Maximum borrowing capacity | 23,400,000 | |
| Amount outstanding | 3,400,000 | |
| Spread over LIBOR | 2.35% | |
| Loan maturity date | Jun. 01, 2016 | |
| Number of extension options | 2 | |
| Loan extension period | 1 year | |
| Percentage of debt guaranteed by the company | 25.00% | |
| Percentage of debt guaranteed by company after project completion and achievement of financial ratios | 10.00% | |
| Threshold of payment guarantee, debt service coverage ratio | 1.30 | |
| Threshold of payment guarantee, loan-to-value ratio | 65.00% | |
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Construction Loan [Member] | Riverpark Project [Member] | RiverPark At Harrison I, L.L.C. [Member]
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| Schedule of Equity Method Investments [Line Items] | ||
| Maximum borrowing capacity | 23,400,000 | |
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Construction Loan Extension Number 1 [Member] | RiverPark At Harrison I, L.L.C. [Member]
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| Schedule of Equity Method Investments [Line Items] | ||
| Extension fee | 0.20% | |
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Construction Loan Extension Number 2 [Member] | RiverPark At Harrison I, L.L.C. [Member]
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| Schedule of Equity Method Investments [Line Items] | ||
| Extension fee | 0.20% | |
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Land [Member] | Riverpark Project [Member] | RiverPark At Harrison I, L.L.C. [Member]
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| Schedule of Equity Method Investments [Line Items] | ||
| Capital balance | $ 8,000,000 |