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Financial Instruments and Fair Value Measurements - Additional information (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2007
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Total Impairment Charge $ 0us-gaap_AssetImpairmentCharges $ 5,080us-gaap_AssetImpairmentCharges $ 2,551us-gaap_AssetImpairmentCharges  
Long term debt 63,804us-gaap_LongTermDebt 44,217us-gaap_LongTermDebt    
Retained interest investments 9,932joe_RetainedInterest 9,639joe_RetainedInterest    
Defeased Debt        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Long term debt       29,300us-gaap_LongTermDebt
/ us-gaap_DebtInstrumentAxis
= joe_DefeasedDebtMember
Golf Course Property        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Total Impairment Charge   $ 4,900us-gaap_AssetImpairmentCharges
/ us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis
= joe_ImpairedGolfCoursePropertyMember		    
Minimum        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Retained interest, effective interest rate 3.70%joe_DiscountRateOnRetainedInterest
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		      
Maximum        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Retained interest, effective interest rate 11.80%joe_DiscountRateOnRetainedInterest
/ us-gaap_RangeAxis
= us-gaap_MaximumMember