Quarterly report pursuant to Section 13 or 15(d)

ACQUISITIONS - Additional information (Details)

v3.20.1
ACQUISITIONS - Additional information (Details)
3 Months Ended
Apr. 09, 2019
a
shares
Mar. 31, 2019
USD ($)
Feb. 25, 2019
USD ($)
Business Acquisition [Line Items]      
Gas and Oil Area, Developed, Net | a 38,230    
Gas and Oil Area, Developed, Gross | a 49,754    
Business Combination, Acquisition Related Costs | $   $ 3,500,000  
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Revolving Line Of Credit | $   $ 15,000,000 $ 15,000,000
Wishbone Acquisition      
Business Acquisition [Line Items]      
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares 4,581,001    
Average Working Interest      
Business Acquisition [Line Items]      
Business Acquisition, Percentage of Voting Interests Acquired 77.00%    
Average Net Revenue Interest      
Business Acquisition [Line Items]      
Business Acquisition, Percentage of Voting Interests Acquired 58.00%