SUBSEQUENT EVENTS (Details)			9 Months Ended
	Oct. 18, 2019 USD ($) $ / item	Oct. 16, 2019 USD ($)	Sep. 30, 2019 USD ($) a $ / item	Oct. 23, 2019 USD ($) property
Subsequent Events
Original Face Amount			$ 32,500,000
Annual surcharge, per round of golf played | $ / item			1
Undeveloped Land in Daytona Beach, Florida, Along Interstate 95
Subsequent Events
Area of land (in acres) | a			5,300
Subsequent Event
Subsequent Events
Per round surcharge liability paid	$ 560,000
Surcharge receivable	$ 560,000
Annual surcharge, per round of golf played | $ / item	1.50
Number of properties intending to sell or contribute | property				20
Number of properties intending to sell | property				15
Cash consideration for properties intending to sell				$ 125,900,000
Number of properties intending to contribute | property				5
Consideration in operating partnership units for properties intending to contribute (in shares)				$ 1,200,000
Consideration in operating partnership units for properties intending to contribute, estimated value				24,500,000
Value of common stock intending to invest				$ 7,500,000
Ownership in operating partnership units (as a percent)				17.50%
Ownership in common stock (as a percent)				13.40%
Ownership in common stock, private placement (as a percent)				4.10%
Annual base management fee (as a percent)				1.50%
Subsequent Event | First Mortgage, Golf Club, Daytona Beach, FL
Subsequent Events
Original Face Amount	$ 2,070,000
Term	1 year
Interest rate (as a percent)	7.50%
Origination fee (as a percent)	1.50%
Origination fee received	$ 31,050
Subsequent Event | Golf Operations | Discontinued Operations, Disposed of by Sale
Subsequent Events
Proceeds/consideration	$ 3,450,000
Subsequent Event | Land Venture
Subsequent Events
Total proceeds from sale of controlling interest in wholly-owned entity		$ 97,000,000
Subsequent Event | Land Venture | Magnetar Investors
Subsequent Events
Noncontrolling interest (as a percent)		66.50%
Ownership interest of controlling interest holders (as a percent)		33.50%