Notes Receivable (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	$ 4,002	$ 4,563
Various builder notes, non-interest bearing -- 5.0% at September 30, 2012 and December 31, 2011, respectively, due October 2012 thru January 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	295	712
Pier Park Community Development District notes, non-interest bearing, due December 2024, net of unamortized discount of $0.1 million, effective rates 5.73% -- 8.0%
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	2,773	2,768
Various mortgage notes, secured by certain real estate bearing interest at various rates
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	$ 934	$ 1,083