Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details)

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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Jan. 01, 2019
Organization And Summary Of Significant Accounting Policies [Line Items]          
Unrealized gain (loss) on change in fair value of derivatives $ 1,530,230 $ (1,099,273) $ 1,189,545 $ (1,889,974)  
Realized loss on derivatives $ 0 2,402,426 $ 0 3,877,452  
Percentage of accounts and joint interest billing receivables 94.00%   94.00%    
Amortization expense $ 14,615,270 9,144,115 $ 27,544,324 17,645,494  
Depletion At The Rate Per Barrel 14.70 16.36 14.72 17.40  
Depreciation 66,277 48,740 107,431 129,186  
Adjustment to deferred tax asset for change in effective tax rate $ (598,332) $ 0 $ (4,471,900) $ 1,158,604  
Effective tax rate     21.00%    
Accounting Standards Update 2016-02          
Organization And Summary Of Significant Accounting Policies [Line Items]          
Operating lease, term         12 months
Maximum          
Organization And Summary Of Significant Accounting Policies [Line Items]          
Useful life     7 years    
Minimum          
Organization And Summary Of Significant Accounting Policies [Line Items]          
Useful life     5 years    
Sales Revenue, Net | Customer One          
Organization And Summary Of Significant Accounting Policies [Line Items]          
Percentage of concentration risk     45.00%    
Sales Revenue, Net | Customer Two          
Organization And Summary Of Significant Accounting Policies [Line Items]          
Percentage of concentration risk     35.00%    
Accounts Receivable | Customer One          
Organization And Summary Of Significant Accounting Policies [Line Items]          
Percentage of concentration risk     44.00%    
Accounts Receivable | Customer Two          
Organization And Summary Of Significant Accounting Policies [Line Items]          
Percentage of concentration risk     30.00%