v3.3.0.814

Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  | 6 Months Ended | 8 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Jul. 15, 2015 | Apr. 15, 2015 | Feb. 02, 2015 | Nov. 12, 2014 | Jun. 30, 2015 | Jun. 30, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Cash distribution declared | $ 0.19 | $ 0.18 | $ 0.0943 |  | $ 0.19 |  |  |
Property, Plant and Equipment, Net [Abstract] |  |  |  |  |  |  |  |
Property and equipment |  |  |  |  | $ 1,766,798 | $ 1,766,798 | $ 1,601,719 | $ 810,427
Less accumulated depreciation |  |  |  |  | (112,078) | (112,078) | (70,124) | (17,097)
Property and equipment, net |  |  |  |  | 1,654,720 | $ 1,654,720 | $ 1,531,595 | $ 793,330
Impairment of Long-Lived Assets |  |  |  |  |  |  |  |
Impairment of assets |  |  |  |  | $ 0 |  |  |
Stock-Based Compensation |  |  |  |  |  |  |  |
Number of stock-based compensation awards authorized |  |  |  | 10,000,000 |  |  |  |
Granted (in shares) |  |  |  |  | 12,057 |  | 2,381,440 |
Forfeited (in shares) |  |  |  |  | (48,360) |  |  |
Midstream LTIP |  |  |  |  |  |  |  |
Stock-Based Compensation |  |  |  |  |  |  |  |
Number of stock-based compensation awards authorized |  |  |  |  | 10,000,000 | 10,000,000 | 10,000,000 |
Land |  |  |  |  |  |  |  |
Property, Plant and Equipment, Net [Abstract] |  |  |  |  |  |  |  |
Property and equipment |  |  |  |  | $ 3,430 | $ 3,430 | $ 3,383 |
Freshwater Surface Pipelines And Equipment |  |  |  |  |  |  |  |
Property, Plant and Equipment, Net [Abstract] |  |  |  |  |  |  |  |
Useful life |  |  |  |  | 5 years |  | 5 years |
Property and equipment |  |  |  |  | $ 25,062 | 25,062 | $ 20,931 |
Freshwater Permanent Buried Pipelines |  |  |  |  |  |  |  |
Property, Plant and Equipment, Net [Abstract] |  |  |  |  |  |  |  |
Useful life |  |  |  |  | 20 years |  | 20 years |
Property and equipment |  |  |  |  | $ 388,430 | 388,430 | $ 359,244 |
Gathering pipelines and compressor stations |  |  |  |  |  |  |  |
Property, Plant and Equipment, Net [Abstract] |  |  |  |  |  |  |  |
Useful life |  |  |  |  | 20 years |  | 20 years | 20 years
Property and equipment |  |  |  |  | $ 1,166,771 | 1,166,771 | $ 861,609 | $ 370,192
Gathering and compression systems - under construction |  |  |  |  |  |  |  |
Property, Plant and Equipment, Net [Abstract] |  |  |  |  |  |  |  |
Property and equipment |  |  |  |  | $ 183,105 | $ 183,105 | $ 356,552 | $ 238,529
Phantom share units |  |  |  |  |  |  |  |
Stock-Based Compensation |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  | 2,361,440 |  | 12,057 |  |
Forfeited (in shares) |  |  |  |  |  | (48,360) |  |
Restricted unit awards |  |  |  |  |  |  |  |
Stock-Based Compensation |  |  |  |  |  |  |  |
Granted (in shares) |  |  |  | 20,000 |  |  |  |

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