Nature of Operations - Real Estate Assets (Details)	3 Months Ended
Mar. 31, 2022 segment item
Real estate
Number of reportable segments \| segment	3
Florida's Bay, Gulf, and Walton counties
Real estate
Percentage of real estate within geographical region	86.00%
Within fifteen miles of the Gulf of Mexico
Real estate
Percentage of real estate within geographical region	90.00%
Maximum \| Within fifteen miles of the Gulf of Mexico
Real estate
Miles real estate is located from Gulf of Mexico \| item	15

Miles from Gulf of Mexico that real estate land owned by entity is located.

No definition available.

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Namespace Prefix:	joe_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of real estate land owned by entity located within region.

+ References

No definition available.

+ Details

Name:	joe_RealEstateAssetsPercentWithinRegion
Namespace Prefix:	joe_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599

+ Details

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Period Type:	duration

- Definition

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.

+ References

No definition available.

+ Details

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- Details

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- Details

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Namespace Prefix:
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- Details

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