Joint Ventures - Unconsolidated JV Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Investments
Outstanding debt	$ 161,418		$ 94,507
Unconsolidated joint ventures
Investments
Outstanding debt	33,088		8,242
Latitude Margaritaville Watersound JV
Investments
Outstanding debt	3,297
Sea Sound Apartments JV
Investments
Outstanding debt	8,789
Pier Park TPS JV
Investments
Outstanding debt	14,388		6,791
Busy Bee JV (SJBB, LLC)
Investments
Outstanding debt	6,614		$ 1,451
Latitude Margaritaville Watersound JV
Investments
Amount as lender of secured revolving promissory note	$ 10,000	$ 10,000