Securities (Schedule Of Amortized Cost And Estimated Fair Value Of Debt Securities) (Details) $ in Thousands	Mar. 31, 2016 USD ($)
Securities [Abstract]
Due in one year or less, Available-for-sale, Amortized Cost	$ 14,558
Due after one year through five years, Available-for-sale, Amortized Cost	127,334
Due after five years through ten years, Available-for-sale, Amortized Cost	43,763
Due after ten years, Available-for-sale, Amortized Cost	10,869
Total debt securities, Available-for-sale, Amortized Cost	196,524
Due in one year or less, Available-for-sale, Fair Value	14,636
Due after one year through five years, Available-for-sale, Fair Value	129,886
Due after five years through ten years, Available-for-sale, Fair Value	44,340
Due after ten years, Available-for-sale, Fair Value	11,054
Total debt securities, Available-for-sale, Fair Value	$ 199,916