NET LOSS PER COMMON UNIT (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings per unit
Net loss attributable to common units									$ (167,350,893)	$ (83,032,282)	$ (56,767,549)
Weighted average number of common units outstanding Basic (in units)									34,530,398	21,192,714	18,442,234
Weighted average number of common units outstanding Diluted (in units)									34,530,398	21,192,714	18,442,234
Net (loss) income attributable to common units per unit (basic)	$ (1.66)	$ (0.50)	$ (1.39)	$ (1.29)	$ (2.27)	$ (0.73)	$ (0.54)	$ (0.21)	$ (4.85)	$ (3.92)	$ (3.08)
Net (loss) income attributable to common units per unit (diluted)	$ (1.66)	$ (0.50)	$ (1.39)	$ (1.29)	$ (2.27)	$ (0.73)	$ (0.54)	$ (0.21)	$ (4.85)	$ (3.92)	$ (3.08)
Restricted Units
Earnings per unit
Anti-dilutive options outstanding									1,276,546	739,479	1,157,924