Commitments And Contingencies (Narrative) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Commitments And Contingencies [Abstract] | |||
| Total rent expense | $ 865 | $ 1,033 | $ 1,515 |
| Arbitration award | $ 1,967 | ||
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. No definition available.
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