SUBSEQUENT EVENTS (Details) - USD ($)	Apr. 01, 2022	Feb. 17, 2022
First-Lien Senior Secured Term Loan Facility | Secured debt
Subsequent Event [Line Items]
Principal Amounts		$ 125,000,000
Subsequent Event
Subsequent Event [Line Items]
Warrants issued (in shares)	$ 2,750,000
Increase (decrease) in unrestricted cash	$ 75,000,000
Expected term (years)	5 years
Exercise price (in dollars per share)	$ 4.50
Exercise of options to purchase common stock (in shares)	37,500
Common stock purchased upon exercise of options (in shares)	37,500
Subsequent Event | Capital Addition Purchase Commitments
Subsequent Event [Line Items]
Amount payable after closing	$ 8,700,000
Capital project	$ 85,000,000
Subsequent Event | MG SPV
Subsequent Event [Line Items]
Ownership percentage (as a percent)	100.00%
Subsequent Event | Vertex Refining
Subsequent Event [Line Items]
Capital stock ownership percentage	100.00%
Change in ownership percentage	50.00%
Subsequent Event | Vertex Refining | Shell
Subsequent Event [Line Items]
Initial term of crude supply agreement	5 years
Renewal term of crude supply agreement	1 year
Subsequent Event | Vertex Refining | Macquarie
Subsequent Event [Line Items]
Period after commencement date	180 days
Conversion project period	90 days
Termination date period	90 days
Customary covenant period	24 months
Termination period after notice	180 days
Subsequent Event | Vertex Refining | Shell
Subsequent Event [Line Items]
Initial term of offtake agreement	5 years
Renewal term of offtake agreement	1 year
Term of required purchases and sales	3 years
Subsequent Event | Vertex Refining | Mobile Refinery
Subsequent Event [Line Items]
Total purchase price	$ 75,000,000
Amount previously paid in consideration for acquisition	10,000,000
Certain capital expenditures reimbursed	440,000
Amount paid in acquisition	15,900,000
Subsequent Event | Vertex Refining | Mobile Refinery | Shell
Subsequent Event [Line Items]
Amount paid in acquisition	164,200,000
Inventory acquired	$ 154,000,000
Subsequent Event | Vertex Splitter | MG SPV
Subsequent Event [Line Items]
Ownership percentage (as a percent)	15.00%
Acquisition of noncontrolling interest	$ 7,200,000
Subsequent Event | First-Lien Senior Secured Term Loan Facility | Vertex Refining | Secured debt
Subsequent Event [Line Items]
Principal Amounts	125,000,000
Aggregate amount released from escrow	$ 94,309,958
Original discount percentage	1.50%
Required payments to principal	$ 1,562,500
Required payments to principal, percent of original principal	1.25%
Change of control, period	12 months
Required minimum unrestricted cash	$ 17,500,000
Required minimum unrestricted cash, period	3 days
Right to accelerate, minimum default amount	$ 3,000,000
Cross default to indebtedness amount	20,000,000
Final judgement rendered amount	$ 20,000,000
Subsequent Event | First-Lien Senior Secured Term Loan Facility | Vertex Refining | Secured debt | Debt Instrument, Redemption, Period One
Subsequent Event [Line Items]
Additional amount after closing, period	18 months
Prepayment additional amount, percentage	150.00%
Subsequent Event | First-Lien Senior Secured Term Loan Facility | Vertex Refining | Secured debt | Debt Instrument, Redemption, Period Two
Subsequent Event [Line Items]
Prepayment additional amount, percentage	50.00%
Subsequent Event | First-Lien Senior Secured Term Loan Facility | Vertex Refining | Secured debt | Debt Instrument, Redemption, Period Three
Subsequent Event [Line Items]
Additional amount after closing, period	90 days
Prepayment additional amount, percentage	25.00%
Subsequent Event | First-Lien Senior Secured Term Loan Facility | Vertex Refining | Secured debt | Debt Instrument, Redemption, Period Four
Subsequent Event [Line Items]
Prepayment additional amount, percentage	1.00%
Subsequent Event | First-Lien Senior Secured Term Loan Facility | Vertex Refining | Secured debt | Minimum
Subsequent Event [Line Items]
Prepayment premium, ownership percentage	33.00%
Specified indebtedness limit	$ 10,000,000
Subsequent Event | First-Lien Senior Secured Term Loan Facility | Vertex Refining | Secured debt | Maximum
Subsequent Event [Line Items]
Prepayment premium, ownership percentage	100.00%
Change of control, amount of other indebtedness	$ 2,000,000
Subsequent Event | First-Lien Senior Secured Term Loan Facility | Vertex Refining | Secured debt | Prime Rate
Subsequent Event [Line Items]
Variable interest rate (percentage)	1.50%
Subsequent Event | First-Lien Senior Secured Term Loan Facility | Vertex Refining | Secured debt | Federal Funds Rate
Subsequent Event [Line Items]
Variable interest rate (percentage)	0.50%
Subsequent Event | First-Lien Senior Secured Term Loan Facility | Vertex Refining | Secured debt | Federal Funds Rate | Minimum
Subsequent Event [Line Items]
Variable interest rate (percentage)	1.00%
Subsequent Event | First-Lien Senior Secured Term Loan Facility | Vertex Refining | Secured debt | Federal Funds Rate | Maximum
Subsequent Event [Line Items]
Variable interest rate (percentage)	9.25%
Subsequent Event | Convertible Senior Notes | Senior Notes
Subsequent Event [Line Items]
Principal Amounts	$ 100,400,000
Funds previously held in escrow	$ 155,000,000