Debt (Parenthetical) (Details)				6 Months Ended	12 Months Ended	6 Months Ended
	Apr. 30, 2014	Jun. 30, 2014 In-substance defeased debt, interest payable monthly at 5.62% at June 30, 2014 and December 31, 2013, secured and paid by pledged treasury securities, due October 1, 2015	Dec. 31, 2013 In-substance defeased debt, interest payable monthly at 5.62% at June 30, 2014 and December 31, 2013, secured and paid by pledged treasury securities, due October 1, 2015	Jun. 30, 2014 Community Development District debt, secured by certain real estate and standby note purchase agreements, due May 2016 — May 2039, bearing interest at 2.25% to 7.15% at June 30, 2014 and December 31, 2013	Dec. 31, 2013 Community Development District debt, secured by certain real estate and standby note purchase agreements, due May 2016 — May 2039, bearing interest at 2.25% to 7.15% at June 30, 2014 and December 31, 2013	Jun. 30, 2014 Construction loan in the Pier Park North joint venture, due February 2016, bearing interest at LIBOR plus 210 basis points, or 2.25% and 2.27% at June 30, 2014 and December 31, 2013, respectively Pier Park North Joint Venture Construction Loan	Dec. 31, 2013 Construction loan in the Pier Park North joint venture, due February 2016, bearing interest at LIBOR plus 210 basis points, or 2.25% and 2.27% at June 30, 2014 and December 31, 2013, respectively Pier Park North Joint Venture Construction Loan
Debt Instrument [Line Items]
Debt interest rate	4.75%	5.62%	5.62%
Debt instrument, minimum interest				2.25%	2.25%
Debt instrument, maximum interest				7.15%	7.15%
Debt Instrument, Basis Spread on Variable Rate						2.10%
Debt instrument, effective interest rate						2.25%	2.27%