Investment Securities (Available For Sale Securities Continuous Unrealized Loss Position Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Schedule Of Available-For-Sale and Held-to-Maturity Securities Table [Line Items]
Investment securities Estimated fair value, Less than 12 months	$ 59,468	$ 45,712
Investment securities Unrealized losses, Less than 12 months	(398)	(1,226)
Investment securities Estimated fair value, 12 months or more	52,232	32,733
Investment securities Unrealized losses,12 months or more	(2,367)	(2,855)
Investment securities Estimated fair value, Total	111,700	78,445
Investment securities Unrealized losses,Total	(2,765)	(4,081)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	21,727
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(120)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	21,727
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	(120)
U.S. Agency MBS
Schedule Of Available-For-Sale and Held-to-Maturity Securities Table [Line Items]
Investment securities Estimated fair value, Less than 12 months	24,479	35,440
Investment securities Unrealized losses, Less than 12 months	(65)	(810)
Investment securities Estimated fair value, 12 months or more	44,027	30,779
Investment securities Unrealized losses,12 months or more	(2,018)	(2,836)
Investment securities Estimated fair value, Total	68,506	66,219
Investment securities Unrealized losses,Total	(2,083)	(3,646)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	17,448
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(76)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	17,448
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	(76)
Obligations of state and political subdivisions
Schedule Of Available-For-Sale and Held-to-Maturity Securities Table [Line Items]
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	4,279
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(44)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	4,279
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	(44)
Non-Agency MBS
Schedule Of Available-For-Sale and Held-to-Maturity Securities Table [Line Items]
Investment securities Estimated fair value, Less than 12 months	27,225	9,569
Investment securities Unrealized losses, Less than 12 months	(49)	(412)
Investment securities Estimated fair value, 12 months or more	6,596	179
Investment securities Unrealized losses,12 months or more	(311)	(2)
Investment securities Estimated fair value, Total	33,821	9,748
Investment securities Unrealized losses,Total	(360)	(414)
U.S. Agency asset-backed securities
Schedule Of Available-For-Sale and Held-to-Maturity Securities Table [Line Items]
Investment securities Estimated fair value, Less than 12 months	744	703
Investment securities Unrealized losses, Less than 12 months	(7)	(4)
Investment securities Estimated fair value, 12 months or more	1,609	1,775
Investment securities Unrealized losses,12 months or more	(38)	(17)
Investment securities Estimated fair value, Total	2,353	2,478
Investment securities Unrealized losses,Total	(45)	(21)
Corporate Debt Securities
Schedule Of Available-For-Sale and Held-to-Maturity Securities Table [Line Items]
Investment securities Estimated fair value, Less than 12 months	7,020
Investment securities Unrealized losses, Less than 12 months	(277)
Investment securities Estimated fair value, 12 months or more	0
Investment securities Unrealized losses,12 months or more	0
Investment securities Estimated fair value, Total	7,020
Investment securities Unrealized losses,Total	$ (277)