Real Estate Joint Ventures - Additional Information (Details) (USD $)							3 Months Ended	12 Months Ended							12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2013 Construction Loans Pier Park North Joint Venture Construction Loan	Feb. 28, 2013 Consolidated Variable Interest Entities	Sep. 30, 2013 Consolidated Variable Interest Entities Pier Park North	Dec. 31, 2013 Consolidated Variable Interest Entities Pier Park North	Feb. 28, 2013 Consolidated Variable Interest Entities Pier Park North	Dec. 31, 2012 Consolidated Variable Interest Entities Pier Park North	Dec. 31, 2013 Consolidated Variable Interest Entities Pier Park North Construction Loans Pier Park North Joint Venture Construction Loan	Dec. 31, 2013 Consolidated Variable Interest Entities Artisan Park, L.L.C	Dec. 31, 2013 Variable Interest Entities	Dec. 31, 2012 Variable Interest Entities	Dec. 31, 2013 Unconsolidated Variable Interest Entities Entity	Dec. 31, 2013 Unconsolidated Variable Interest Entities ESM
Variable Interest Entity [Line Items]
Estimated contribution for joint venture by company and its partner								$ 14,400,000
Contribution for joint venture								9,500,000
Noncontrolling interest contribution for joint venture								4,900,000
Percentage of cash contribution for joint venture by parent								66.00%		66.00%		74.00%
Percentage of additional cash contribution for joint venture								34.00%		34.00%
Land contributed to joint venture agreed upon value								6,000,000
Proceeds from sale of property							2,300,000
Construction loan									41,000,000
Construction loan date						2016-02
Debt	44,217,000	36,062,000			6,445,000						6,445,000		6,445,000	0
Principal repayment guarantee								33.00%
Unrestricted cash and cash equivalents	21,894,000	165,980,000	162,391,000	183,827,000				25,000,000					2,225,000	2,107,000
Net worth								350,000,000
Percentage of total equity paid by parent								73.00%
Initial profits to be redistributed to repay contribution								6,000,000
Assets	669,472,000	645,521,000											30,958,000	2,273,000
Liabilities	105,947,000	93,187,000											14,136,000	1,073,000
Number of variable interest Entity, not primary beneficiary															2
Investment in unconsolidated affiliates	2,241,000	2,222,000
Investment, ownership percentage																50.00%
Sale of investment, expected net sales proceeds																$ 2,300,000