Investment Securities (Investments Classified By Contractual Maturity Date) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Investment Securities [Abstract]
Held to Maturity, Due after one year through five years, Amortized Cost	$ 10,649
Held to Maturity, Due after five years through ten years, Amortized Cost	24,014
Held to Maturity, Due after ten years, Amortized Cost	25,817
Held to Maturity, Total investment securities, Amortized Cost	60,480	59,454
Held to Maturity, Due after one year through five years, Estimated Fair Value	11,079
Held to Maturity, Due after five years through ten years, Estimated Fair Value	24,408
Held to Maturity, Due after ten years, Estimated Fair Value	26,013
Held-to-maturity, Total investment securities, Estimated Fair Value	61,500	60,099
Available for Sale, Due in one year or less, Amortized Cost	1,500
Available for Sale, Due after one year through five years, Amortized Cost	69,968
Available for Sale, Due after five years through ten years, Amortized Cost	63,211
Available for Sale, Due after ten years, Amortized Cost	37,403
Available for Sale, No state maturity, Amortized Cost	27
Available for Sale, Total investment securities, Amortized Cost	172,109	172,867
Available for Sale, Due in one year or less, Estimated Fair Value	1,497
Available for Sale, Due after one year through five years, Estimated Fair Value	69,989
Available for Sale, Due after five years through ten years, Estimated Fair Value	63,729
Available for Sale, Due after ten years, Estimated Fair Value	37,245
Available for Sale, No stated maturity, Estimated Fair Value	18
Available for Sale, Total investment securities, Estimated Fair Value	$ 172,478	$ 172,202