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Inventory | 3 Months Ended
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Mar. 31, 2017
Inventory Disclosure [Abstract] |
Inventory | Inventory Crude oil inventory includes oil in tank and linefill. Equipment and materials consist primarily of proppant, chemicals, tubular goods, well equipment to be used in future drilling or repair operations and well fracturing equipment. Inventory is stated at the lower of cost and net realizable value with cost determined on an average cost method. Inventory consists of the following:
| March 31, 2017 |  | December 31, 2016
| (In thousands)
Crude oil inventory | $ | 10,302 |  |  | $ | 7,086 |
Equipment and materials | 4,025 |  |  | 3,562 |
Total inventory | $ | 14,327 |  |  | $ | 10,648 |

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 + Details
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