| Investments In Unconsolidated Joint Ventures (Overlook Ridge, L.L.C.) (Narrative) (Details) (USD $) | 0 Months Ended | 9 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|---|
| Jul. 15, 2013 | Sep. 30, 2013
 Overlook Ridge, L.L.C. [Member] | Oct. 23, 2012
 Overlook Ridge, L.L.C. [Member] | Sep. 30, 2013
 Overlook Ridge, L.L.C. [Member]
 Rowe [Member] | Sep. 30, 2013
 Maximum [Member] | Sep. 30, 2013
 Maximum [Member]
 Overlook Ridge, L.L.C. [Member] | |
| Schedule of Equity Method Investments [Line Items] | ||||||
| Percentage of interest in venture | 50.00% | 80.00% | ||||
| Percentage of operating return on capital | 6.00% | |||||
| Notional land capital | $ 20,000,000 | |||||
| Percentage of notional land capital account assigned | 3.00% | 97.00% | ||||
| Mortgage loan | 17,400,000 | |||||
| Mortgage loans, carrying amount | $ 16,500,000 | |||||
| Spread over LIBOR | 1.25% | 3.50% | ||||
| Mortgage loan, maturity date | March 2014 | |||||
| Loan extension period | 1 year | |||||
| Extension fee | 0.25% | |||||
| Holding and distribution pattern under operating agreement | The operating agreement of Overlook Ridge provides, among other things, for the distribution of net cash flow to the members, as follows:First, to the members in proportion to their unrecovered capital percentages, as defined, until the cumulative amounts distributed equal such member's return of six percent on the unrecovered capital; andSecond, to the members in accordance with their ownership percentages. | |||||
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- Definition Debt Instrument Extension Fee Percentage No definition available. 
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- Definition Debt Instrument Extension Period No definition available. 
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- Definition Holding And Distribution Pattern Under Operating Agreement No definition available. 
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- Definition Mortgage Loan Maturity Date No definition available. 
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- Definition Notional Land Capital No definition available. 
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- Definition Percentage Of Notional Land Capital Account No definition available. 
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- Definition Percentage Of Operating Return On Capital No definition available. 
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available. 
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Total carrying amount of mortgage loans as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition The carrying amount of the outstanding balance due under the mortgage loan. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
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