Other Investment Securities (Schedule Of Other Investment Securities) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2018	Dec. 31, 2017
Schedule of Investments [Line Items]
Federal Home Loan Bank Stock	$ 43,388	$ 43,388	$ 50,086
Federal Reserve Bank Stock	8,225	8,225	8,225
Equity investments carried at fair value	1,902	1,902	1,935
Equity Method Investments	2,589	2,589	3,500
Other investment securities	56,104	56,104	$ 63,746
Equity Securities, FV-NI, Unrealized Gain (Loss)	(326)	$ (33)
Equity Securities, FV-NI, Unrealized Gain	$ (3,500)

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of unrealized gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of investment in equity security without readily determinable fair value.

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Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Includes other investments and securities that are not at fair value as of the balance sheet date and those that are not accounted for under the equity method.

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