Unconsolidated Affiliates and Cost Method Investments Joint Venture Financings (Details) (USD $)		3 Months Ended	1 Months Ended																	1 Months Ended					1 Months Ended
	Jun. 30, 2012	Sep. 30, 2011 LIBOR [Member]	Dec. 31, 2013 The Pavilion at Port Orange - Phase I [Member] Extension_Options	Dec. 31, 2013 The Pavilion at Port Orange - Phase I [Member] LIBOR [Member]	Nov. 30, 2013 The Pavilion at Port Orange - Phase I [Member] LIBOR [Member]	Dec. 31, 2013 The Pavilion at Port Orange - Phase I [Member] LIBOR [Member] Fremaux Town Center [Member]	Dec. 31, 2013 Hammock Landing - Phase I [Member] Extension_Options	Dec. 31, 2013 Hammock Landing - Phase I [Member] LIBOR [Member]	Nov. 30, 2013 Hammock Landing - Phase I [Member] LIBOR [Member]	Dec. 31, 2013 Hammock Landing - Phase II [Member] Extension_Options	Dec. 31, 2013 Hammock Landing - Phase II [Member] Forecast [Member]	Dec. 31, 2013 Hammock Landing - Phase II [Member] LIBOR [Member]	Dec. 31, 2013 Hammock Landing - Phase II [Member] LIBOR [Member] Forecast [Member]	Mar. 31, 2013 Renaissance Center - Phase II [Member]	Mar. 31, 2013 Friendly Center [Member] Loans	Mar. 31, 2013 Fremaux Town Center - Phase I [Member] Extension_Options	Mar. 31, 2013 Fremaux Town Center - Phase I [Member] LIBOR [Member]	Dec. 31, 2012 West County Center [Member]	Dec. 31, 2013 West County Center [Member]	Jul. 31, 2012 Gulf Coast Town Center - Phase III [Member]	Jul. 31, 2012 Gulf Coast Town Center - Phase III [Member] LIBOR [Member]	Feb. 29, 2012 York Town Center [Member]	Feb. 29, 2012 The Pavilion at Port Orange [Member]	Jan. 31, 2012 The Pavilion at Port Orange [Member]	Feb. 29, 2012 The Pavilion at Port Orange [Member] LIBOR [Member]
Debt Instrument [Line Items]
Amount Financed or Extended			$ 62,600,000				$ 41,068,000			$ 10,757,000				$ 16,000,000	$ 100,000,000	$ 46,000,000		$ 190,000,000		$ 7,000,000		$ 38,000,000	$ 64,950,000
Stated Interest Rate	5.00%													3.49%	3.48%				3.40%			4.90%
Basis spread on variable rate		9.00%		2.00%	3.50%	2.00%		2.00%	3.50%			2.25%	2.00%				2.125%				2.50%				3.50%
Number of one-year extension options available			2				2			2						2
Extension option, term			1 year				1 year			1 year						1 year
Debt guaranteed by Company (percent)			25.00%				25.00%			100.00%	25.00%					100.00%
Retirement of loan														15,700,000	100,000,000			142,235,000				39,379,000	3,332,000
Number of loans retired															4
Proceeds from issuance of long-term debt																		189,687,000
Guarantors percentage obligation for construction loan																				100.00%			100.00%
Construction loan, stated interest rate, floor																									1.00%
Debt instrument, face value	$ 22,000,000																							$ 98,883,000