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Commitments And Contingent Liabilities (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Legal Contingencies [Abstract]
Standby letters of credit terms, in years	5 years
Rent expense	$ 352	$ 394	$ 431

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- Definition

Standby Letters Of Credit Term In Years

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No definition available.

+ Details

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- References

No definition available.

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- 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.

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No definition available.

+ Details

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Balance Type:	debit
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