Investments in Unconsolidated Real Estate Joint Ventures (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Schedule of Equity Method Investments [Line Items]
Income (Loss) From Equity Method Investments	$ 6,590	$ 1,066
Alexan CityCentre [Member]
Schedule of Equity Method Investments [Line Items]
Income (Loss) From Equity Method Investments	976	388
Alexan Southside Place [Member]
Schedule of Equity Method Investments [Line Items]
Income (Loss) From Equity Method Investments	1,996	0
Cheshire Bridge [Member]
Schedule of Equity Method Investments [Line Items]
Income (Loss) From Equity Method Investments	1,383	0
Domain [Member]
Schedule of Equity Method Investments [Line Items]
Income (Loss) From Equity Method Investments	64	0
EOS [Member]
Schedule of Equity Method Investments [Line Items]
Income (Loss) From Equity Method Investments	544	230
Flagler Village [Member]
Schedule of Equity Method Investments [Line Items]
Income (Loss) From Equity Method Investments	(5)	0
Lake Boone Trail [Member]
Schedule of Equity Method Investments [Line Items]
Income (Loss) From Equity Method Investments	44	0
Villas at Oak Crest [Member]
Schedule of Equity Method Investments [Line Items]
Income (Loss) From Equity Method Investments	489	322
Whetstone [Member]
Schedule of Equity Method Investments [Line Items]
Income (Loss) From Equity Method Investments	1,131	0
Other [Member]
Schedule of Equity Method Investments [Line Items]
Income (Loss) From Equity Method Investments	$ (32)	$ 126