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v3.19.1

Organization And Accounting Policies (Narrative) (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 USD ($) $ / bbl / $ | Mar. 31, 2018 USD ($) | Dec. 31, 2018 USD ($) $ / bbl
Organization And Accounting Policies [Line Items] |  |  |
Receivable balance, net | $ 9,036 |  | $ 11,907
Exchange rate | / $ | 584.7 |  |
Bad debt recovery and other | $ 29 | $ 56 |
Derivative cap price | $ / bbl | 74.00 |  | 74.00
Derivative floor price | $ / bbl | 74.00 |  | 74.00
Transfers between levels | $ 0 |  |
Monthly royalty rate, based on production at the published price | 13.00% |  |
Working interest of carried partner, percentage | 7.50% |  |
Future working interest of carried partner percentage | 10.00% |  |
Gains on foreign currency transactions | $ 200 | 100 |
Gabon |  |  |
Organization And Accounting Policies [Line Items] |  |  |
Receivable balance, gross, noncurrent | 7,700 |  |
Receivable balance, net, noncurrent | 2,600 |  |
Bad debt recovery and other | $ 32 | $ 100 |

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