Revenues (Tables)
12 Months Ended
Dec. 31, 2018
Revenue from Contract with Customer [Abstract]  
Summary of Disaggregated 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:
 
Successor
 
 
Predecessor
 
Year Ended December 31,
 
October 11, 2016
through
December 31, 2016
 
 
January 1, 2016
through
October 10, 2016
 
2018
 
2017
 
 
 
Operating revenues (in thousands):
 
 
 
 
 
 
 
 
Oil sales
$
709,813

 
$
336,931

 
24,313

 
 
59,787

Natural gas sales
62,325

 
48,868

 
3,449

 
 
6,045

NGL sales
118,907

 
44,103

 
1,955

 
 
3,284

Oil and gas sales
891,045

 
$
429,902

 
29,717

 
 
69,116