Quarterly report pursuant to Section 13 or 15(d)

ACQUISITIONS - Additional Information (Details)

v3.19.2
ACQUISITIONS - Additional Information (Details)
$ / shares in Units, $ in Millions
6 Months Ended
Apr. 09, 2019
USD ($)
a
shares
Jun. 30, 2019
USD ($)
Feb. 25, 2019
$ / shares
ACQUISITIONS      
Gas and Oil Area, Developed, Net | a 38,230    
Gas and Oil Area, Developed, Gross | a 49,754    
Business Combination, Acquisition Related Costs | $   $ 4.1  
Wishbone Acquisition [Member]      
ACQUISITIONS      
Payments to Acquire Businesses, Gross | $ $ 264.1    
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares 4,581,001    
Common Stock Held in Escrow | shares 2,538,071    
Business Acquisition, Share Price | $ / shares     $ 6.19
Average Working Interest [Member]      
ACQUISITIONS      
Business Acquisition, Percentage of Voting Interests Acquired 77.00%    
Average Net Revenue Interest [Member]      
ACQUISITIONS      
Business Acquisition, Percentage of Voting Interests Acquired 58.00%