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v3.20.1

Property and Equipment | 3 Months Ended
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Mar. 31, 2020
Property and Equipment |
Property and Equipment | (8) Property and Equipment The Company’s investment in property and equipment for the periods presented is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Estimated | ​ | December 31, | ​ | March 31, | ​
(in thousands) |  | useful lives |  | 2019 | ​ | 2020 | ​
Land |  | n/a |  | $ | 23,549 |  | ​ | 23,549 | ​
Gathering systems and facilities | ​ | 40-50 years(1) | ​ | ​ | 2,375,241 | ​ | ​ | 2,397,023 | ​
Permanent buried pipelines and equipment | ​ | 7-20 years | ​ | ​ | 602,230 | ​ | ​ | 530,005 | ​
Surface pipelines and equipment | ​ | 1-7 years | ​ | ​ | 48,594 | ​ | ​ | 37,308 | ​
Landfill | ​ | n/a(2) | ​ | ​ | 1,244 | ​ | ​ | 1,244 | ​
Heavy trucks and equipment | ​ | 3-5 years | ​ | ​ | 6,617 | ​ | ​ | 6,623 | ​
Above ground storage tanks | ​ | 5-10 years | ​ | ​ | 3,418 | ​ | ​ | 1,868 | ​
Construction-in-progress | ​ | n/a | ​ |  | 300,165 | ​ | ​ | 307,284 | ​
Total property and equipment | ​ | ​ | ​ | ​ | 3,361,058 | ​ | ​ | 3,304,904 | ​
Less accumulated depreciation | ​ | ​ | ​ | ​ | (87,648) | ​ | ​ | (76,639) | ​
Property and equipment, net | ​ | ​ | ​ | $ | 3,273,410 | ​ | ​ | 3,228,265 | ​
(1) | Gathering systems and facilities are recognized as a single-leased asset with no residual value.
(2) | Amortization of landfill costs is recorded over the life of the landfill on a units-of-consumption basis.
Due to the decline in commodity prices and industry environment, the Company evaluated its assets for impairment. As a result of this evaluation, the Company recorded an impairment expense of $89 million, which included an $83 million impairment expense to its permanent buried pipelines and equipment and a $6 million impairment expense to its surface pipelines and equipment.

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 + Details
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