Derivatives And Fair Value (Narrative) (Details) |
3 Months Ended | ||
|---|---|---|---|
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Mar. 31, 2019
USD ($)
$ / bbl
bbl
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May 06, 2019
USD ($)
bbl
$ / bbl
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Jun. 30, 2018
USD ($)
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| Commodity Contract, June 2018 Through June 2019 [Member] | |||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | |||
| Derivative, average price per barrel | $ / bbl | 74.00 | ||
| Quantity of barrels | 400,000 | ||
| Commodity swap underlying volume | bbl | 68,000 | ||
| Derivative assets | $ 500,000 | ||
| Subsequent Event | Commodity Contract, July 19 Through June 2020 [Member] | |||
| Derivative Instruments and Hedging Activities Disclosures [Line Items] | |||
| Derivative, average price per barrel | $ / bbl | 66.70 | ||
| Quantity of barrels | bbl | 500,000 | ||
| Benchmark of liability position, with required financial actions | $ 10,000,000 |
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- Definition Benchmark Of Liability Position, With Required Financial Actions No definition available.
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- Definition Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Nominal volume used to calculate payments on a derivative instrument. No definition available.
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- Definition Average fixed price related to the group of price risk swap derivatives. No definition available.
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