XML 31 R61.htm IDEA: XBRL DOCUMENT v3.3.0.814
Debt (Descriptors) (Details) - USD ($)
$ in Millions
9 Months Ended 12 Months Ended
Sep. 30, 2015
Dec. 31, 2014
Oct. 31, 2015
Apr. 30, 2014
Debt Instrument [Line Items]        
Debt interest rate       4.75%
In-substance defeased debt, interest payable at 5.62%, secured and paid by pledged cash and 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 through May 2039, interest payable at 2.25% to 7.0% | Community Development District debt, secured by certain real estate and standby note purchase agreements, due through May 2039, interest payable at 2.25% to 7.0%        
Debt Instrument [Line Items]        
Debt instrument, minimum interest 2.25% 2.25%    
Debt instrument, maximum interest 7.00% 7.00%    
Construction loan in the Pier Park North joint venture, due February 2016, bearing interest at LIBOR plus 210 basis points, or 2.30% and 2.26% at September 30, 2015 and December 31, 2014, respectively | Pier Park North Joint Venture Construction Loan        
Debt Instrument [Line Items]        
Debt Instrument, Basis Spread on Variable Rate 2.10%      
Debt instrument, effective interest rate 2.30% 2.26%    
Consolidated Variable Interest Entities | Subsequent Event | Pier Park North | Pier Park North Joint Venture Construction Loan        
Debt Instrument [Line Items]        
Debt interest rate     4.10%  
Debt No Longer to Mature     $ 37.6