Notes Receivable, net (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	$ 4,771	$ 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 June 30, 2013, due February 2015, net of deferred profit of $1.2 million
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	1,184	0
Various mortgage notes, secured by certain real estate bearing interest at various rates
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	$ 828	$ 1,217