Notes Receivable, net (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	$ 24,270	$ 7,332
Interest bearing homebuilder note for the RiverTown Sale, secured by the real estate sold — 5.25% interest rate, annual principal payment of $1.0 million due March 2015 and with all accrued interest and remaining principal and interest payment due June 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	19,600	0
Interest bearing homebuilder notes, secured by the real estate sold — 4.0% interest rate, annual principal payments of $0.3 million, any remaining payments outstanding are due February and August 2015, net of deferred profit of $0.1 million and $0.7 million at December 31, 2014 and 2013, respectively
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	2,011	4,062
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	2,147	2,623
Various mortgage notes, secured by certain real estate bearing interest at various rates
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	$ 512	$ 647