INVESTMENTS IN JOINT VENTURES - Adjustments (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2018	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Net Income (Loss)	$ (1,521,504)	$ 1,486,020	$ (1,172,839)	$ 18,550,919
Investment in Joint Ventures	55,772,263		55,772,263			$ 55,736,668
Mitigation Bank
Schedule of Equity Method Investments [Line Items]
Net Income (Loss)	0	$ 0	0	$ 0
Investment in Joint Ventures	6,900,000		$ 6,900,000			$ 6,900,000
Sale of interest in joint venture					70.00%
Interest in the joint venture (as a percent)			30.00%		30.00%
Land JV
Schedule of Equity Method Investments [Line Items]
Net Income (Loss)	0		$ 0
Investment in Joint Ventures	$ 48,900,000		48,900,000
Sales price			$ 97,000,000.0
Sale of interest in joint venture			66.50%
Interest in the joint venture (as a percent)			33.50%
Black Rock
Schedule of Equity Method Investments [Line Items]
Sale of interest in joint venture					70.00%