Investment Securities (Investments Classified By Contractual Maturity Date) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Investment Securities [Abstract]
Held to Maturity, Due after one year through five years, Amortized Cost	$ 15,069
Held to Maturity, Due after five years through ten years, Amortized Cost	30,304
Held to Maturity, Due after ten years, Amortized Cost	19,927
Held to Maturity, Total investment securities, Amortized Cost	65,300	$ 59,454
Held to Maturity, Due after one year through five years, Estimated Fair Value	15,755
Held to Maturity, Due after five years through ten years, Estimated Fair Value	30,403
Held to Maturity, Due after ten years, Estimated Fair Value	19,849
Held-to-maturity, Total investment securities, Estimated Fair Value	66,007	60,099
Available for Sale, Due in one year or less, Amortized Cost	6,689
Available for Sale, Due after one year through five years, Amortized Cost	80,666
Available for Sale, Due after five years through ten years, Amortized Cost	43,967
Available for Sale, Due after ten years, Amortized Cost	30,739
Available for Sale, No state maturity, Amortized Cost	27
Available for Sale, Total investment securities, Amortized Cost	162,088	172,867
Available for Sale, Due in one year or less, Estimated Fair Value	6,684
Available for Sale, Due after one year through five years, Estimated Fair Value	80,594
Available for Sale, Due after five years through ten years, Estimated Fair Value	44,197
Available for Sale, Due after ten years, Estimated Fair Value	30,570
Available for Sale, No stated maturity, Estimated Fair Value	18
Available for Sale, Total investment securities, Estimated Fair Value	$ 162,063	$ 172,202