Securities (Schedule Of Amortized Cost And Estimated Fair Value Of Debt Securities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Securities [Abstract]
Due in one year or less, Available-for-sale, Amortized Cost	$ 13,813
Due after one year through five years, Available-for-sale, Amortized Cost	176,254
Due after five years through ten years, Available-for-sale, Amortized Cost	40,747
Due after ten years, Available-for-sale, Amortized Cost	3,820
Total debt securities, Available-for-sale, Amortized Cost	234,634	225,375
Due in one year or less, Available-for-sale, Fair Value	13,924
Due after one year through five years, Available-for-sale, Fair Value	180,152
Due after five years through ten years, Available-for-sale, Fair Value	41,103
Due after ten years, Available-for-sale, Fair Value	3,950
Total debt securities, Fair Value	$ 239,129	$ 234,062

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Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

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