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Balance Type:	credit
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Represents the period in which Company's liability as guarantor under the loan will be released upon reaching and maintaining certain debt service coverage.

No definition available.

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Data Type:	xbrli:durationItemType
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Period Type:	duration

Period over which debt instrument is subject to interest payments only, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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Prepayment premium, as a percent of principal prepaid, due upon prepayment to the lender during specified period under the terms of the agreement.

No definition available.

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Data Type:	num:percentItemType
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Period Type:	duration

Number of units financed.

No definition available.

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Data Type:	xbrli:integerItemType
Balance Type:	na
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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Face (par) amount of debt instrument at time of issuance.

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Amount of the fee that accompanies borrowing money under the debt instrument.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Data Type:	xbrli:stringItemType
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Period Type:	duration

Fixed interest rate related to the interest rate derivative.

No definition available.

Name:	us-gaap_DerivativeFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Nominal or face amount used to calculate payment on derivative.

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Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

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Name:	us-gaap_DebtInstrumentAxis=joe_LoanInPierParkCrossingsJvDueJune2060Member
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Balance Type:
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Name:	srt_RangeAxis=srt_MinimumMember
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Data Type:	na
Balance Type:
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Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
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Name:	srt_RangeAxis=srt_MaximumMember
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Balance Type:
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Name:	us-gaap_DebtInstrumentAxis=joe_OriginsCrossingsJvLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_DebtInstrumentAxis=joe_WatercrestJvLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_DebtInstrumentAxis=joe_CommunityDevelopmentDistrictDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	us-gaap_DebtInstrumentAxis=joe_PierParkCrossingsPhaseIiJvLoanMember
Namespace Prefix:
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Name:	us-gaap_DebtInstrumentAxis=joe_BeckrichBuildingIiiLoanMember
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Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=joe_BeachHomesLoanMember
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Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=joe_ConstructionLoanDueMarch2027Member
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Name:	us-gaap_DebtInstrumentAxis=joe_ConstructionLoanDueFebruary2029Member
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Name:	us-gaap_DebtInstrumentAxis=joe_AirportHotelLoanMember
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