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Property, Plant and Equipment (Tables) | 6 Months Ended
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Jun. 30, 2019
Property, Plant and Equipment [Abstract] |
Schedule of Property, Plant and Equipment | The following table sets forth the Company’s property, plant and equipment:
| June 30, 2019 |  | December 31, 2018
| (In thousands) |  |
Proved oil and gas properties(1) | $ | 8,244,667 |  | $ | 7,878,104
Less: Accumulated depreciation, depletion, amortization and impairment | (3,205,534) |  | (2,853,353)
Proved oil and gas properties, net | 5,039,133 |  | 5,024,751
Unproved oil and gas properties | 1,038,795 |  | 1,034,085
Other property and equipment(2) | 1,301,835 |  | 1,151,772
Less: Accumulated depreciation | (210,649) |  | (183,499)
Other property and equipment, net | 1,091,186 |  | 968,273
Total property, plant and equipment, net | $ | 7,169,114 |  | $ | 7,027,109
__________________ (1)Included in the Company’s proved oil and gas properties are estimates of future asset retirement costs of $42.2 million and $40.5 million at June 30, 2019 and December 31, 2018, respectively. (2)Included in the Company’s other property and equipment are estimates of future asset retirement costs of $1.4 million and $1.3 million at June 30, 2019 and December 31, 2018, respectively.

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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