Investment in Unconsolidated Joint Ventures (EP I LLC) (Details) (USD $)	12 Months Ended
Dec. 31, 2014
EP I LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	75.00%
Maximum amount available under construction facility, revised	$ 58,000,000
Debt Instrument, Basis Spread on Variable Rate	1.75%
Cash balance of joint venture	917,000
EP II LLC [Member]
Schedule of Equity Method Investments [Line Items]
Number of possible loan extensions	2
Period of loan extension	1 year
Equity Method Investment, Ownership Percentage	75.00%
Maximum amount available under construction facility, revised	46,000,000
Outstanding balance of mortgage loan	12,700,000
Debt Instrument, Basis Spread on Variable Rate	1.85%
Extension of mortgage loans maturity, conditions	two, one-year periods
Approximate amount of loans guaranteed by Company	8,600,000
Cash balance of joint venture	175,000
LIBOR [Member] \| EP I LLC [Member]
Schedule of Equity Method Investments [Line Items]
Variable rate basis	LIBOR
LIBOR [Member] \| EP II LLC [Member]
Schedule of Equity Method Investments [Line Items]
Variable rate basis	LIBOR
Gables Realty Limited [Member] \| EP I LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	25.00%
Gables Realty Limited [Member] \| EP II LLC [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage	25.00%
Approximate amount of loans guaranteed by Company	$ 2,900,000

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Extension of mortgage loans maturity, conditions.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 323

-SubTopic 10

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