Securities (Schedule Of Unrealized Losses And Related Fair Values In the Bank's Available-For-Sale And Held-To-Maturity Investment Securities Portfolios) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Schedule Of Unrealized Losses And Related Fair Values In Of Available-For-Sale And Held-To-Maturity Investment Securities Portfolios [Line Items]
Available-for-sale Securities, Continuous unrealized loss position, Less than 12 months, Fair Value	$ 112,516	$ 124,420
Available-For-Sale Securities, Continuous Unrealized Loss Position, Less Than 12 Months, Accumulated Loss	3,474	5,656
Available-for-sale Securities, Continuous unrealized loss position, Greater than 12 months, Fair Value	27,663	17,684
Available-For-Sale Securities, Continuous Unrealized Loss Position, 12 Months Or Longer, Accumulated Loss	1,431	1,624
Available-for-sale Securities, Continuous unrealized loss position, Total, Fair Value	140,179	142,104
Available-For-Sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	4,905	7,280
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	2,720	4,229
Held-To-Maturity Securities, Continuous Unrealized Loss Position, Less Than 12 Months, Accumulated Loss	(57)	103
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	0
Held-To-Maturity Securities, Continuous Unrealized Loss Position, 12 Months Or Longer, Accumulated Loss	0	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	2,720	4,229
Held-To-Maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	(57)	103
U.S. Government And Federal Agency [Member]
Schedule Of Unrealized Losses And Related Fair Values In Of Available-For-Sale And Held-To-Maturity Investment Securities Portfolios [Line Items]
Available-for-sale Securities, Continuous unrealized loss position, Less than 12 months, Fair Value	9,271	9,287
Available-For-Sale Securities, Continuous Unrealized Loss Position, Less Than 12 Months, Accumulated Loss	(454)	(550)
Available-for-sale Securities, Continuous unrealized loss position, Greater than 12 months, Fair Value	0	0
Available-For-Sale Securities, Continuous Unrealized Loss Position, 12 Months Or Longer, Accumulated Loss	0	0
Available-for-sale Securities, Continuous unrealized loss position, Total, Fair Value	9,271	9,287
Available-For-Sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(454)	(550)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	2,343	2,387
Held-To-Maturity Securities, Continuous Unrealized Loss Position, Less Than 12 Months, Accumulated Loss	57	(76)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	0
Held-To-Maturity Securities, Continuous Unrealized Loss Position, 12 Months Or Longer, Accumulated Loss	0	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	2,343	2,387
Held-To-Maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	57	(76)
Government-Sponsored Enterprises [Member]
Schedule Of Unrealized Losses And Related Fair Values In Of Available-For-Sale And Held-To-Maturity Investment Securities Portfolios [Line Items]
Available-for-sale Securities, Continuous unrealized loss position, Less than 12 months, Fair Value	20,509	16,797
Available-For-Sale Securities, Continuous Unrealized Loss Position, Less Than 12 Months, Accumulated Loss	(972)	(1,236)
Available-for-sale Securities, Continuous unrealized loss position, Greater than 12 months, Fair Value	11,344	11,064
Available-For-Sale Securities, Continuous Unrealized Loss Position, 12 Months Or Longer, Accumulated Loss	(752)	(1,033)
Available-for-sale Securities, Continuous unrealized loss position, Total, Fair Value	31,853	27,861
Available-For-Sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(1,724)	(2,269)
Mortgage-Backed Securities [Member]
Schedule Of Unrealized Losses And Related Fair Values In Of Available-For-Sale And Held-To-Maturity Investment Securities Portfolios [Line Items]
Available-for-sale Securities, Continuous unrealized loss position, Less than 12 months, Fair Value	56,338	62,336
Available-For-Sale Securities, Continuous Unrealized Loss Position, Less Than 12 Months, Accumulated Loss	(1,107)	(2,019)
Available-for-sale Securities, Continuous unrealized loss position, Greater than 12 months, Fair Value	9,848	1,777
Available-For-Sale Securities, Continuous Unrealized Loss Position, 12 Months Or Longer, Accumulated Loss	(311)	(99)
Available-for-sale Securities, Continuous unrealized loss position, Total, Fair Value	66,186	64,113
Available-For-Sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(1,418)	(2,118)
Collateralized Mortgage Obligations [Member]
Schedule Of Unrealized Losses And Related Fair Values In Of Available-For-Sale And Held-To-Maturity Investment Securities Portfolios [Line Items]
Available-for-sale Securities, Continuous unrealized loss position, Less than 12 months, Fair Value	3,627	5,050
Available-For-Sale Securities, Continuous Unrealized Loss Position, Less Than 12 Months, Accumulated Loss	(54)	(107)
Available-for-sale Securities, Continuous unrealized loss position, Greater than 12 months, Fair Value	1,214	5
Available-For-Sale Securities, Continuous Unrealized Loss Position, 12 Months Or Longer, Accumulated Loss	(20)	0
Available-for-sale Securities, Continuous unrealized loss position, Total, Fair Value	4,841	5,055
Available-For-Sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(74)	(107)
States And Political Subdivisions [Member]
Schedule Of Unrealized Losses And Related Fair Values In Of Available-For-Sale And Held-To-Maturity Investment Securities Portfolios [Line Items]
Available-for-sale Securities, Continuous unrealized loss position, Less than 12 months, Fair Value	22,771	30,950
Available-For-Sale Securities, Continuous Unrealized Loss Position, Less Than 12 Months, Accumulated Loss	(887)	(1,744)
Available-for-sale Securities, Continuous unrealized loss position, Greater than 12 months, Fair Value	5,257	4,838
Available-For-Sale Securities, Continuous Unrealized Loss Position, 12 Months Or Longer, Accumulated Loss	(348)	(492)
Available-for-sale Securities, Continuous unrealized loss position, Total, Fair Value	28,028	35,788
Available-For-Sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	(1,235)	(2,236)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	377	1,842
Held-To-Maturity Securities, Continuous Unrealized Loss Position, Less Than 12 Months, Accumulated Loss	0	(27)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	0
Held-To-Maturity Securities, Continuous Unrealized Loss Position, 12 Months Or Longer, Accumulated Loss	0	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value	377	1,842
Held-To-Maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss	$ 0	$ (27)