Dispositions (Narrative) (Details) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|
Jul. 31, 2019 |
Nov. 30, 2006 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Mar. 31, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
Dec. 31, 2018 |
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| Business Acquisition [Line Items] | |||||||||
| Income (loss) from discontinued operations, net of tax | $ (61) | $ (21) | $ 5,448 | $ (416) | |||||
| Discontinued Operations [Member] | Joint Operating With Republic Of Angola [Member] | |||||||||
| Business Acquisition [Line Items] | |||||||||
| Joint operation agreement related to third party in working interest percentage | 40.00% | ||||||||
| Additional joint operation agreement related to third party in working interest percentage | 10.00% | ||||||||
| Stipulated payment for each exploration well, under PSA terms | $ 10,000 | ||||||||
| Drilling commitment, net | $ 5,000 | ||||||||
| Liability for the potential payment | $ 4,500 | $ 15,000 | |||||||
| Write off of receivable | 3,300 | ||||||||
| Income (loss) from discontinued operations, net of tax | $ (61) | $ 5,700 | $ 5,700 | $ (21) | $ 5,448 | $ (416) | |||
| Payment for settlement | $ 4,500 | ||||||||
| X | ||||||||||
- Definition Joint operation agreement related to third party in working interest percentage. No definition available.
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- Definition Additional joint operation agreement related to third party in working interest percentage. No definition available.
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- Definition Drilling Commitment, Net No definition available.
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- Definition Stipulated Payment For Each Exploration Well, Under Terms No definition available.
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- Definition Amount of direct write-downs of accounts receivable charged against the allowance. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of cash paid for the settlement of litigation or for other legal issues during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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- Details
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