Investment Securities (Summary Of Securities With Gross Unrealized Losses And Their Fair Values) (Details) $ in Thousands	Jun. 30, 2015 USD ($) security	Dec. 31, 2014 USD ($) security
Available-for-sale Securities and Held-to-maturity Securities
Number of Securities, Available for Sale | security	66	66
Number of Securities, Held to Maturity | security	1	1
Amortized cost of securities with unrealized losses, Available for Sale	$ 160,331	$ 155,056
Amortized cost of securities with unrealized losses, Held to Maturity	1,698	1,718
Continuous Unrealized Loss Existing for Less Than 12 Months, Available for Sale	(474)	(169)
Continuous Unrealized Loss Existing for Less Than 12 Months, Held to Maturity	(6)	(10)
Continuous Unrealized Loss Existing for More Than 12 Months, Available for Sale	(855)	(1,679)
Fair value of securities with unrealized losses, Available for Sale	159,002	153,208
Fair value of securities with unrealized losses, Held to Maturity	$ 1,692	$ 1,708
Federal Agency Securities [Member]
Available-for-sale Securities and Held-to-maturity Securities
Number of Securities, Available for Sale | security	7	13
Amortized cost of securities with unrealized losses, Available for Sale	$ 32,900	$ 60,578
Continuous Unrealized Loss Existing for Less Than 12 Months, Available for Sale	(47)	(37)
Continuous Unrealized Loss Existing for More Than 12 Months, Available for Sale	(221)	(735)
Fair value of securities with unrealized losses, Available for Sale	$ 32,632	$ 59,806
Obligations Of State And Political Subdivisions [Member]
Available-for-sale Securities and Held-to-maturity Securities
Number of Securities, Available for Sale | security	7	8
Number of Securities, Held to Maturity | security	1	1
Amortized cost of securities with unrealized losses, Available for Sale	$ 9,102	$ 10,076
Amortized cost of securities with unrealized losses, Held to Maturity	1,698	1,718
Continuous Unrealized Loss Existing for Less Than 12 Months, Available for Sale	(43)
Continuous Unrealized Loss Existing for Less Than 12 Months, Held to Maturity	(6)	(10)
Continuous Unrealized Loss Existing for More Than 12 Months, Available for Sale	(81)	(140)
Fair value of securities with unrealized losses, Available for Sale	8,978	9,936
Fair value of securities with unrealized losses, Held to Maturity	$ 1,692	$ 1,708
Residential Mortgage-Backed Securities [Member]
Available-for-sale Securities and Held-to-maturity Securities
Number of Securities, Available for Sale | security	46	40
Amortized cost of securities with unrealized losses, Available for Sale	$ 105,680	$ 65,223
Continuous Unrealized Loss Existing for Less Than 12 Months, Available for Sale	(326)	(110)
Continuous Unrealized Loss Existing for More Than 12 Months, Available for Sale	(483)	(740)
Fair value of securities with unrealized losses, Available for Sale	$ 104,871	$ 64,373
Asset-Backed Securities [Member]
Available-for-sale Securities and Held-to-maturity Securities
Number of Securities, Available for Sale | security	2	3
Amortized cost of securities with unrealized losses, Available for Sale	$ 5,671	$ 9,608
Continuous Unrealized Loss Existing for Less Than 12 Months, Available for Sale	(21)	(19)
Continuous Unrealized Loss Existing for More Than 12 Months, Available for Sale		(41)
Fair value of securities with unrealized losses, Available for Sale	$ 5,650	$ 9,548
Other Securities [Member]
Available-for-sale Securities and Held-to-maturity Securities
Number of Securities, Available for Sale | security	4	2
Amortized cost of securities with unrealized losses, Available for Sale	$ 6,978	$ 9,571
Continuous Unrealized Loss Existing for Less Than 12 Months, Available for Sale	(37)	(3)
Continuous Unrealized Loss Existing for More Than 12 Months, Available for Sale	(70)	(23)
Fair value of securities with unrealized losses, Available for Sale	$ 6,871	$ 9,545