Notes Receivable, net (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	$ 2,555	$ 24,270
Interest bearing homebuilder note for the RiverTown Sale, secured by the real estate sold — 5.25% interest rate, all accrued interest and remaining principal and interest payment due and paid in June 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	0	19,600
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	1,985	2,147
Interest bearing homebuilder notes, secured by the real estate sold — 4.0% interest rate, any remaining payments outstanding are due August 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	90	2,011
Various mortgage notes, secured by certain real estate bearing interest at various rates
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable	$ 480	$ 512