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Commitments and Contingencies - (Details) - USD ($) $ in Thousands	1 Months Ended
	Nov. 30, 2019	Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019	Jan. 31, 2019
Obligations
Accrued liabilities for other litigation, claims, other disputes and governmental proceedings		$ 800		$ 1,500
Amount of letters of credit outstanding		5,700
Purchase obligations, total		124,100
Principal balance		145,759		94,507
Allowance for credit losses within other liabilities		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 upon substantial completion (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
Secured revolving promissory note		10,000	$ 10,000
Amount committed to fund			$ 10,000
Note receivable		1,500
Interest rate swap
Obligations
Notional amount					$ 20,000
Surety bonds
Obligations
Commitment obligations		21,700		10,700
Unconsolidated joint ventures
Obligations
Principal balance		23,828		8,242
Pier Park TPS JV
Obligations
Notional amount						$ 14,400
Principal balance		$ 14,388		6,791
Pier Park TPS JV \| Pier Park TPS JV Loan
Obligations
Loan amount						$ 14,400
Debt interest rate (as a percent)		5.21%
Principal balance		$ 14,400		6,800
Pier Park TPS JV \| Interest rate swap \| Pier Park TPS JV Loan
Obligations
Notional amount		14,400
Busy Bee JV (SJBB, LLC)
Obligations
Principal balance		6,638		1,451
Busy Bee JV (SJBB, LLC) \| Busy Bee JV Construction Loan, due November 2035
Obligations
Loan amount	$ 5,400
Principal balance		5,400		1,400
Busy Bee JV (SJBB, LLC) \| Busy Bee JV Equipment Loan, due November 2027
Obligations
Loan amount	$ 1,200
Principal balance		$ 1,200		$ 100