Debt (Parenthetical) (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
In-substance defeased debt, interest payable monthly at 5.62% at March 31, 2014 and December 31, 2013, secured and paid by pledged treasury securities, due October 1, 2015
Debt Instrument [Line Items]
Debt interest rate	5.62%	5.62%
Community Development District debt, secured by certain real estate and standby note purchase agreements, due May 2016 — May 2039, bearing interest at 5.25% to 7.15% at March 31, 2014 and December 31, 2013
Debt Instrument [Line Items]
Debt instrument, minimum interest	5.25%	5.25%
Debt instrument, maximum interest	7.15%	7.15%
Construction loan in the Pier Park North joint venture, due February 2016, bearing interest at LIBOR plus 210 basis points, or 2.26% and 2.27% at March 31, 2014 and December 31, 2013, respectively | Pier Park North Joint Venture Construction Loan
Debt Instrument [Line Items]
Debt instrument, effective interest rate	2.26%	2.27%