Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details)

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Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2017
Dec. 31, 2016
Revenue recognition      
Margin over out-of-pocket costs related to water handling and treatment for revenue recognition (as a percent)   3.00%  
Property and equipment:      
Total property and equipment $ 2,974,922 $ 2,974,922 $ 2,450,521
Less accumulated depreciation (369,320) (369,320) (254,642)
Property and equipment, net 2,605,602 2,605,602 2,195,879
Interest cost capitalized   12,000 4,000
Impairment of Long-Lived Assets      
Impairment of property and equipment 23,000 23,431  
Litigation and Other Contingencies      
Liabilities for litigation, environmental, or other contingencies $ 0 $ 0 0
Midstream LTIP      
Stock-Based Compensation      
Number of stock-based compensation awards authorized 10,000,000 10,000,000  
Land      
Property and equipment:      
Total property and equipment $ 15,382 $ 15,382 11,338
Fresh water surface pipelines and equipment      
Property and equipment:      
Estimated useful lives   5 years  
Total property and equipment 46,139 $ 46,139 39,562
Above ground storage tanks      
Property and equipment:      
Estimated useful lives   10 years  
Total property and equipment 4,301 $ 4,301 4,301
Fresh water permanent buried pipelines and equipment      
Property and equipment:      
Estimated useful lives   20 years  
Total property and equipment 472,810 $ 472,810 443,453
Gathering systems and facilities      
Property and equipment:      
Estimated useful lives   20 years  
Total property and equipment 1,781,386 $ 1,781,386 1,551,771
Construction-in-progress      
Property and equipment:      
Total property and equipment $ 654,904 $ 654,904 $ 400,096