Contingencies (Details) (USD $)	1 Months Ended	12 Months Ended					1 Months Ended	12 Months Ended		1 Months Ended	12 Months Ended	1 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended		12 Months Ended		1 Months Ended	3 Months Ended	9 Months Ended		1 Months Ended			1 Months Ended	12 Months Ended	1 Months Ended			12 Months Ended
	Feb. 28, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Minimum [Member] Extension_Options	Dec. 31, 2013 Maximum [Member]	Sep. 30, 2013 CW Joint Venture [Member]	Dec. 31, 2013 CW Joint Venture [Member]	Dec. 31, 2007 CW Joint Venture [Member] mall	Nov. 30, 2013 Lee Summit [Member]	Dec. 31, 2013 Lee Summit [Member]	Dec. 31, 2013 West Melbourne I LLC [Member] Extension_Options	Dec. 31, 2013 West Melbourne I LLC [Member] Extension_Options	Sep. 30, 2013 West Melbourne I LLC [Member]	Dec. 31, 2013 West Melbourne I LLC [Member] Extension_Options	Dec. 31, 2012 West Melbourne I LLC [Member]	Dec. 31, 2013 West Melbourne I LLC [Member] Forecast [Member]	Dec. 31, 2013 West Melbourne I LLC [Member] Maximum Loan Guaranty Amount [Member]	Dec. 31, 2013 Port Orange I LLC [Member] Extension_Options	Dec. 31, 2013 Port Orange I LLC [Member] Extension_Options	Sep. 30, 2013 Port Orange I LLC [Member]	Dec. 31, 2012 Port Orange I LLC [Member]	Jul. 31, 2012 JG Gulf Coast Town Center LLC [Member]	Dec. 31, 2013 JG Gulf Coast Town Center LLC [Member]	Dec. 31, 2013 York Town Center LP [Member]	Aug. 31, 2013 Shopping Center, D'Iberville, Mississippi [Member] The Promenade D'iberville, LLC [Member]	Dec. 31, 2013 Shopping Center, D'Iberville, Mississippi [Member] Pending Litigation [Member] The Promenade D'iberville, LLC [Member]	Sep. 30, 2013 PJV Units [Member] CW Joint Venture [Member]	Sep. 30, 2013 Accrued and Unpaid Preferred Returns [Member] CW Joint Venture [Member]	Mar. 31, 2013 Fremaux Town Center [Member] Fremaux Town Center JV, LLC [Member]	Dec. 31, 2013 Fremaux Town Center [Member] Fremaux Town Center JV, LLC [Member] Extension_Options	Jan. 31, 2013 Fremaux Town Center JV, LLC [Member]	Dec. 31, 2013 Fremaux Town Center JV, LLC [Member] Fremaux Town Center [Member]
Guarantor Obligations [Line Items]
Retainage allegedly owed under the construction contract																											$ 327,000
Proceeds from legal settlements	800,000																									8,240,000
Environmental liability insurance, maximum coverage per incident		10,000,000
Environmental liability insurance, aggregate coverage limit		50,000,000
Number of malls owned by subsidiary									4
Payments for repurchase of redeemable noncontrolling interest							412,986,000																					408,577,000	4,409,000
Annual preferred distribution (in hundredths)								5.00%
Reduction to preferred liquidation value of PJV units		10,000,000	0	0				10,000,000
Annual preferred distribution rate on PJV units increase (in hundredths)								9.00%
Excess added to aggregate preferred liquidation value on PJV units, maximum								418,577,000
Guarantees [Abstract]
Guaranteed percentage of the third party's construction loan and bond line of credit (the loans) (in hundredths)											27.00%		25.00%	100.00%						25.00%	100.00%		100.00%							100.00%
Initial maximum guaranteed amount of third party's construction loan																			15,640,000	15,640,000				6,258,000	22,000,000					46,000,000
Annual reductions to the guarantor's obligations																									800,000
Guaranteed minimum exposure amount																									10,000,000
Percentage of interest owned in unconsolidated affiliate (in hundredths)												50.00%	50.00%		50.00%				50.00%	50.00%				50.00%	50.00%
Total amount outstanding on the loans																			62,559,000	62,559,000				6,258,000							25,800,000
Number of one-year extension options available					1							2	2		2				2	2											2
Guaranteed amount of the outstanding loan																									16,400,000
Estimated fair value of guaranty											192,000	130,000	130,000		130,000	478,000			157,000	157,000		961,000
Land disposed, sale price										22,430,000
Proceeds from sale of land										15,000,000
Decrease in investment in unconsolidated affiliates										7,430,000
Construction loan												41,011,000	41,011,000		41,011,000			10,253,000
Guarantors Percentage Obligation for Land Loan															100.00%		25.00%
Land loan												4,530,000	4,530,000		4,530,000			10,757,000
Percentage of guaranty obligation agreed to be reimbursed by joint venture partner (in hundredths)																									50.00%
Extension option, term												1 year							1 year												1 year
Loan guaranty, fee income (percent)																														1.00%
Long-term debt																															460,000
Joint venture, ownership percentage																																35.00%	65.00%
Performance Bonds [Abstract]
Total outstanding amount on performance bonds		23,513,000	29,211,000
Initial term of lease		20 years
Term of renewal option					5 years	10 years
Lease expense		1,371,000	1,169,000	1,967,000
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2014		766,000
2015		772,000
2016		789,000
2017		789,000
2018		798,000
Thereafter		27,657,000
Total lease payments due		$ 31,571,000