Investment Securities (Investments Classified By Contractual Maturity Date) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Investment Securities [Abstract]
Held to Maturity, Due after one year through five years, Amortized Cost	$ 10,590
Held to Maturity, Due after five years through ten years, Amortized Cost	20,593
Held to Maturity, Due after ten years, Amortized Cost	28,271
Held to Maturity, Total investment securities, Amortized Cost	59,454	65,299
Held to Maturity, Due after one year through five years, Estimated Fair Value	10,920
Held to Maturity, Due after five years through ten years, Estimated Fair Value	20,904
Held to Maturity, Due after ten years, Estimated Fair Value	28,275
Held-to-maturity, Total investment securities, Estimated Fair Value	60,099	63,402
Available for Sale, Due in one year or less, Amortized Cost	3,512
Available for Sale, Due after one year through five years, Amortized Cost	62,782
Available for Sale, Due after five years through ten years, Amortized Cost	64,654
Available for Sale, Due after ten years, Amortized Cost	41,892
Available for Sale, No state maturity, Amortized Cost	27
Available for Sale, Total investment securities, Amortized Cost	172,867	124,118
Available for Sale, Due in one year or less, Estimated Fair Value	3,507
Available for Sale, Due after one year through five years, Estimated Fair Value	62,507
Available for Sale, Due after five years through ten years, Estimated Fair Value	64,738
Available for Sale, Due after ten years, Estimated Fair Value	41,432
Available for Sale, No stated maturity, Estimated Fair Value	18
Available for Sale, Total investment securities, Estimated Fair Value	$ 172,202	$ 121,659