Investment Securities (Available For Sale Securities Continuous Unrealized Loss Position Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 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	$ 11,199	$ 45,712
Investment securities Unrealized losses, Less than 12 months	(102)	(1,226)
Investment securities Estimated fair value, 12 months or more	53,178	32,733
Investment securities Unrealized losses,12 months or more	(2,009)	(2,855)
Investment securities Estimated fair value, Total	64,377	78,445
Investment securities Unrealized losses,Total	(2,111)	(4,081)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	28,004
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(87)
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	28,004
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	(87)
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	9,217	35,440
Investment securities Unrealized losses, Less than 12 months	(13)	(810)
Investment securities Estimated fair value, 12 months or more	45,895	30,779
Investment securities Unrealized losses,12 months or more	(1,769)	(2,836)
Investment securities Estimated fair value, Total	55,112	66,219
Investment securities Unrealized losses,Total	(1,782)	(3,646)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	15,384
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(21)
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	15,384
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	(21)
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	12,620
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(66)
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	12,620
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	(66)
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	1,222	9,569
Investment securities Unrealized losses, Less than 12 months	(87)	(412)
Investment securities Estimated fair value, 12 months or more	5,639	179
Investment securities Unrealized losses,12 months or more	(200)	(2)
Investment securities Estimated fair value, Total	6,861	9,748
Investment securities Unrealized losses,Total	(287)	(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	760	703
Investment securities Unrealized losses, Less than 12 months	(2)	(4)
Investment securities Estimated fair value, 12 months or more	1,644	1,775
Investment securities Unrealized losses,12 months or more	(40)	(17)
Investment securities Estimated fair value, Total	2,404	2,478
Investment securities Unrealized losses,Total	$ (42)	$ (21)