SUMMARY OF CRITICAL ACCOUNTING POLICIES AND ESTIMATES - Narrative (Details) - USD ($)		3 Months Ended	9 Months Ended
	Jul. 25, 2019	Sep. 30, 2019	Sep. 30, 2019	Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Asset impairment			$ 0
Payment of other income		$ 907,500
Accounting Standards Update 2018-11
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease, asset				$ 37,800,000
Lease liability				$ 37,800,000
Tensile-MG | Common Class B
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Percentage of aggregate capital investment to be added to original per-unit price to determine cash purchase price	50.00%