Other Assets - Retained Interest Investments (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2023	Dec. 31, 2022
Other Assets
Principal received upon maturity of installment note	$ 10,600
Retained interest investments		$ 8,197

Amount of principal received upon maturity of installment note associated with beneficial or retained interest investment.

No definition available.

Name:	joe_InstallmentNotePrincipalAmountReceivedUponMaturity
Namespace Prefix:	joe_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration