LEASES - Narrative (Details)	9 Months Ended	12 Months Ended
	Sep. 30, 2019 lease renewal_option	Dec. 31, 2019 USD ($)	Jan. 01, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Finance leases, amortization expense		$ 166,946
Finance leases, interest expense		41,889
Operating lease cost		6,300,000
Finance lease payment		165,598
Number of extension options | renewal_option	2
Accounting Standards Update 2018-11
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use asset		37,800,000	$ 37,800,000
Operating lease payments		$ 2,300,000
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease renewal term	1 year
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease renewal term	20 years
Plant
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease renewal term	5 years
Number of operating leases | lease	2
Lease renewal term, total	20 years