v3.7.0.1

Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2017 | Dec. 31, 2016
Property and equipment: |  |
Total property and equipment | $ 2,706,966 | $ 2,450,521
Less accumulated depreciation | (312,690) | (254,642)
Property and equipment, net | $ 2,394,276 | 2,195,879
Midstream LTIP |  |
Stock-Based Compensation |  |
Number of stock-based compensation awards authorized | 10,000,000 |
Land |  |
Property and equipment: |  |
Total property and equipment | $ 14,274 | 11,338
Fresh water surface pipelines and equipment |  |
Property and equipment: |  |
Useful life | 5 years |
Total property and equipment | $ 40,914 | 39,562
Above ground storage tanks |  |
Property and equipment: |  |
Useful life | 10 years |
Total property and equipment | $ 4,301 | 4,301
Fresh water permanent buried pipelines and equipment |  |
Property and equipment: |  |
Useful life | 20 years |
Total property and equipment | $ 473,594 | 443,453
Gathering systems and facilities |  |
Property and equipment: |  |
Useful life | 20 years |
Total property and equipment | $ 1,673,139 | 1,551,771
Construction-in-progress |  |
Property and equipment: |  |
Total property and equipment | $ 500,744 | $ 400,096

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