Revenues (Tables)
3 Months Ended
Mar. 31, 2018
Revenue from Contract with Customer [Abstract]  
Summary of Oil and Gas Revenues
Oil and gas revenues presented within the Consolidated Statements of Operations relate to the sale of oil, natural gas, and NGLs as shown below:
 
For the Three Months Ended March 31,
 
2018
 
2017
Operating revenues (in thousands):
 
 
 
Oil sales
$
174,841

 
$
46,681

Natural gas sales
18,580

 
8,241

NGL sales
22,477

 
6,175

Oil and gas sales
$
215,898

 
$
61,097