v3.3.0.814
Summary of Significant Accounting Policies (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2015
Dec. 31, 2014
Decrease in ad velorem tax expense $ 8,400,000    
Property and equipment:      
Property and equipment 1,949,368,000 $ 1,949,368,000 $ 1,601,719,000
Less accumulated depreciation (134,469,000) (134,469,000) (70,124,000)
Property and equipment, net $ 1,814,899,000 1,814,899,000 1,531,595,000
Impairment of Long-Lived Assets      
Impairment of assets   $ 0  
Stock-Based Compensation      
Granted (in shares)   12,057  
Forfeited (in shares)   (51,860)  
Midstream LTIP      
Stock-Based Compensation      
Number of stock-based compensation awards authorized 10,000,000 10,000,000  
Land      
Property and equipment:      
Property and equipment $ 3,430,000 $ 3,430,000 3,383,000
Freshwater surface pipelines and equipment      
Property and equipment:      
Useful life   5 years  
Property and equipment 32,165,000 $ 32,165,000 20,931,000
Freshwater permanent buried pipelines and equipment      
Property and equipment:      
Useful life   20 years  
Property and equipment 395,124,000 $ 395,124,000 359,244,000
Gathering and compression systems      
Property and equipment:      
Useful life   20 years  
Property and equipment 1,196,274,000 $ 1,196,274,000 861,609,000
Gathering and compression systems - under construction      
Property and equipment:      
Property and equipment $ 322,375,000 $ 322,375,000 $ 356,552,000