Variable Interest Entities - Additional Information (Detail) (USD $)							3 Months Ended						3 Months Ended
	Mar. 31, 2013		Dec. 31, 2012		Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2013 Consolidated Variable Interest Entities	Feb. 28, 2013 Consolidated Variable Interest Entities	Mar. 31, 2013 Consolidated Variable Interest Entities Pier Park North	May 03, 2013 Consolidated Variable Interest Entities Subsequent Event	Mar. 31, 2013 Consolidated Variable Interest Entities Scenario two	Mar. 31, 2013 Consolidated Variable Interest Entities Scenario 1	Mar. 31, 2013 Unconsolidated Variable Interest Entities Entity
Variable Interest Entity [Line Items]
Estimated contribution for joint venture by company and its partner							$ 15,000,000
Estimated contribution for joint venture							9,900,000
Land contributed to joint venture agreed upon value							6,000,000			6,000,000
Contribution for joint venture							900,000		700,000	1,400,000
Construction loan								40,500,000
Construction loan date								2016-02
Principal repayment guarantee								33.00%
Unrestricted cash and cash equivalents	168,652,000		165,980,000		165,689,000	162,391,000		25,000,000
net worth								350,000,000
Percentage of total equity paid by parent							90.00%
Percentage of additional cash contribution for joint venture							66.00%		34.00%
Noncontrolling Interest, Ownership Percentage by Parent											74.00%	66.00%
Carrying amount of assets of consolidated variable interest entity	7,300,000
Carrying amount of liabilities of consolidated variable interest entity	1,700,000
Number of variable interest Entity, not primary beneficiary													3
Investment in unconsolidated affiliates	$ 2,210,000	[1]	$ 2,222,000	[1]

[1] Recorded in the Company's resorts, leisure and leasing operation's segment.