XML 64 R52.htm IDEA: XBRL DOCUMENT v3.10.0.1
Revenue from Contract with Customer Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Disaggregation of Revenue [Line Items]        
Gain on Commodity Derivative Instruments $ 25,660 $ 83,788 $ 60,747 $ 61,325
Other Operating Income 8,534 16,658 19,244 32,308
Total Revenue 402,124 371,068 897,853 690,996
Natural Gas [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contracts with Customers 289,294 233,723 636,642 507,270
NGLs [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contracts with Customers 39,557 21,637 90,441 60,920
Condensate [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contracts with Customers 4,996 3,885 11,499 8,189
Oil [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contracts with Customers 670 1,061 1,558 1,690
Oil and Gas Service [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contracts with Customers 334,517 260,306 740,140 578,069
Purchased Gas Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contracts with Customers 9,930 10,316 27,985 19,294
Midstream Revenue [Member]        
Disaggregation of Revenue [Line Items]        
Revenue from Contracts with Customers $ 23,483 $ 0 $ 49,737 $ 0