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Prepaid and Other Current Assets | 12 Months Ended
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Dec. 31, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Prepaid and Other Current Assets | Note 7—Prepaid and Other Current Assets Prepaid and other current assets at December 31, 2018 and 2017 consist of the following (in thousands):
| December 31,
| 2018 |  | 2017
Collateral posted with broker for derivative instruments (1) | $ | 2,759 |  |  | $ | 215 |
Prepaid insurance | 7,727 |  |  | 7,547 |
Derivative assets | 5,164 |  |  | 4,296 |
Other | 12,720 |  |  | 5,221 |
Total | $ | 28,370 |  |  | $ | 17,279 |
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(1) | Our cash margin that is required as collateral deposits on our commodity derivatives cannot be offset against the fair value of open contracts except in the event of default. Please read Note 13—Derivatives for further information.

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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + 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 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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