Investment Securities (Available For Sale Securities Continuous Unrealized Loss Position Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 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	$ 47,171	$ 45,712
Investment securities Unrealized losses, Less than 12 months	(1,162)	(1,226)
Investment securities Estimated fair value, 12 months or more	32,997	32,733
Investment securities Unrealized losses,12 months or more	(2,286)	(2,855)
Investment securities Estimated fair value, Total	80,168	78,445
Investment securities Unrealized losses,Total	(3,448)	(4,081)
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	36,691	35,440
Investment securities Unrealized losses, Less than 12 months	(780)	(810)
Investment securities Estimated fair value, 12 months or more	31,300	30,779
Investment securities Unrealized losses,12 months or more	(2,242)	(2,836)
Investment securities Estimated fair value, Total	67,991	66,219
Investment securities Unrealized losses,Total	(3,022)	(3,646)
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	9,710	9,569
Investment securities Unrealized losses, Less than 12 months	(381)	(412)
Investment securities Estimated fair value, 12 months or more	6	179
Investment securities Unrealized losses,12 months or more	0	(2)
Investment securities Estimated fair value, Total	9,716	9,748
Investment securities Unrealized losses,Total	(381)	(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	770	703
Investment securities Unrealized losses, Less than 12 months	(1)	(4)
Investment securities Estimated fair value, 12 months or more	1,691	1,775
Investment securities Unrealized losses,12 months or more	(44)	(17)
Investment securities Estimated fair value, Total	2,461	2,478
Investment securities Unrealized losses,Total	$ (45)	$ (21)