Securities Available for Sale (Narrative) (Details) $ in Thousands	Jun. 30, 2018 USD ($) N	Dec. 31, 2017 USD ($)
Investments, Debt and Equity Securities [Abstract]
Available for sale debt securities pledged or restricted for public funds, par value	$ 65,568	$ 64,580
Available for sale debt securities pledged or restricted for public funds, fair value	$ 65,500	$ 66,157
Number of securities considered temporarily impaired \| N	190

The carrying amount of securities categorized neither as held-to-maturity nor trading which serve as security for borrowings or other arrangements.

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- Definition

Number of investment positions in available-for-sale investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement.

+ References

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Fair value of financial instrument held by the entity for its own account (proprietary securities) for trading or investment purposes that are carried at fair value and pledged to counterparties as collateral for financing transactions.

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