Concentration of Risks and Uncertainties - Additional Information (Details) (Mill closures due to economic reasons)	Sep. 30, 2013
Mill closures due to economic reasons
Concentration Risk [Line Items]
Period for monetary damages would be due from third party	1 year

Period for Monetary Damages Would Be Due from Third Party

No definition available.

Name:	joe_PeriodForMonetaryDamagesWouldBeDueFromThirdParty
Namespace Prefix:	joe_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant