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Commitments and Contingencies - (Details) - USD ($) $ in Thousands	1 Months Ended
	Apr. 30, 2021	Nov. 30, 2020	Nov. 30, 2019	Jan. 31, 2019	Nov. 12, 2035	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2020
Obligations
Accrued liabilities for other litigation, claims, other disputes and governmental proceedings						$ 700		$ 700
Amount of letters of credit outstanding						6,300		6,600
Purchase obligations, total						222,400
Notes receivable, net						15,585		10,877
Principal balance						185,957		161,418
Allowance for credit losses within other liabilities						100		100
Pier Park TPS JV Loan
Obligations
Guarantor liability, Scenario 1 (as a percent)				50.00%
Guarantor liability, Scenario 2 (as a percent)				25.00%
Busy Bee JV Construction and Equipment Loans
Obligations
Guarantor liability, Scenario 3 (as a percent)			50.00%
Period of financial reporting and financial covenant obligations upon completion at specified rate			12 months
Latitude Margaritaville Watersound JV
Obligations
Amount as lender of secured revolving promissory note						10,000		10,000	$ 10,000
Amount committed to fund									$ 10,000
Notes receivable, net						7,600		2,700
Surety bonds
Obligations
Commitment obligations						22,700		24,200
Unconsolidated joint ventures
Obligations
Principal balance						58,295		33,088
Pier Park TPS JV
Obligations
Principal balance						$ 14,268		14,388
Pier Park TPS JV \| Pier Park TPS JV Loan
Obligations
Loan amount				$ 14,400
Debt interest rate (as a percent)						5.21%
Principal balance						$ 14,300		14,400
Pier Park TPS JV \| Pier Park TPS JV Loan \| LIBOR
Obligations
Basis spread on variable rate (as a percent)				2.50%
Pier Park TPS JV \| Interest rate swap
Obligations
Notional amount							$ 14,400
Busy Bee JV (SJBB, LLC)
Obligations
Principal balance						6,465		6,614
Busy Bee JV (SJBB, LLC) \| Busy Bee JV Construction and Equipment Loans \| LIBOR
Obligations
Basis spread on variable rate (as a percent)			1.50%
Busy Bee JV (SJBB, LLC) \| Busy Bee JV Construction Loan, due November 2035
Obligations
Loan amount			$ 5,400
Principal balance						5,300		5,400
Busy Bee JV (SJBB, LLC) \| Busy Bee JV Equipment Loan, due November 2027
Obligations
Loan amount			$ 1,200
Principal balance						1,100		1,200
Busy Bee JV (SJBB, LLC) \| Busy Bee JV Equipment Loan, due November 2027 \| LIBOR
Obligations
Basis spread on variable rate (as a percent)			1.50%
Busy Bee JV (SJBB, LLC) \| Interest rate swap \| Forecast
Obligations
Notional amount					$ 2,800
Busy Bee JV (SJBB, LLC) \| Interest rate swap \| Busy Bee JV Construction Loan, due November 2035
Obligations
Notional amount			$ 5,400
Fixed interest rate (as a percent)			2.68%
Busy Bee JV (SJBB, LLC) \| Interest rate swap \| Busy Bee JV Equipment Loan, due November 2027
Obligations
Notional amount			$ 1,200
Fixed interest rate (as a percent)			2.08%
Latitude Margaritaville Watersound JV
Obligations
Principal balance						11,207		3,297
Latitude Margaritaville Watersound JV \| Latitude Margaritaville Watersound JV Loan, due November 2023
Obligations
Loan amount		$ 25,000
Principal balance						3,600		$ 600
Floor rate (as a percent)		3.25%
Debt instrument, period by which maturity date may be extended		3 years
Latitude Margaritaville Watersound JV \| Latitude Margaritaville Watersound JV Loan, due November 2023 \| LIBOR
Obligations
Basis spread on variable rate (as a percent)		2.50%
Watersound Fountains Independent Living JV \| Watersound Fountains JV Loan, due April 2026
Obligations
Loan amount	$ 41,900
Basis spread on variable rate (as a percent)	2.00%
Guarantor liability, Scenario 1 (as a percent)	50.00%
Guarantor liability, Scenario 2 (as a percent)	25.00%
Guarantor liability, Scenario 3 (as a percent)	0.00%
Principal balance						$ 0
Floor rate (as a percent)	2.50%
Debt instrument, period subject to interest payments only	48 months
Debt instrument, period by which maturity date may be extended	12 months