Organization And Accounting Policies (Rollforward Analysis Of The Allowance Against Accounts Receivable Balance) (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
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| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Charged to costs and expenses | $ 49 | $ (63) | $ (232) | $ (577) |
| Gabon [Member] | ||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
| Balance at beginning of year | (5,211) | (4,221) | ||
| Charged to costs and expenses | 100 | (100) | (232) | (577) |
| Reclassification related to Sojitz acquisition | (694) | |||
| Foreign currency loss | (583) | (84) | ||
| Balance at end of period | $ (6,720) | $ (4,882) | $ (6,720) | $ (4,882) |
| X | ||||||||||
- Definition Accounts Receivable Offset For Aquisitions Adjustment No definition available.
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- Definition Allowance For Bad Debts, Foreign Currency Gain No definition available.
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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 For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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