Notes Receivable, Net (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	$ 5,131	$ 3,975
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	2,759	2,758
Interest bearing builder note-4.0% at March 31, 2013, due February 2015, net of deferred profit of $ 0
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	1,184
Various mortgage notes, secured by certain real estate bearing interest at various rates
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	$ 1,188	$ 1,217