Investment Securities (Summary Of Securities With Gross Unrealized Losses And Their Fair Values) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013 security	Dec. 31, 2012 security
Available-for-sale Securities and Held-to-maturity Securities
Number of Securities, Available for Sale	108	41
Amortized cost of securities with unrealized losses, Available for Sale	$ 261,473	$ 74,925
Continuous Unrealized Loss Existing for Less Than 12 Months, Available for Sale	(6,048)	(513)
Continuous Unrealized Loss Existing for More Than 12 Months, Available for Sale	(276)	(15)
Fair value of securities with unrealized losses, Available for Sale	255,149	74,397
Other Securities [Member]
Available-for-sale Securities and Held-to-maturity Securities
Number of Securities, Available for Sale	8
Amortized cost of securities with unrealized losses, Available for Sale	27,728
Continuous Unrealized Loss Existing for Less Than 12 Months, Available for Sale	(165)
Fair value of securities with unrealized losses, Available for Sale	27,563
Federal Agency Securities [Member]
Available-for-sale Securities and Held-to-maturity Securities
Number of Securities, Available for Sale	24	5
Amortized cost of securities with unrealized losses, Available for Sale	87,921	9,887
Continuous Unrealized Loss Existing for Less Than 12 Months, Available for Sale	(2,885)	(19)
Continuous Unrealized Loss Existing for More Than 12 Months, Available for Sale	(4)
Fair value of securities with unrealized losses, Available for Sale	85,032	9,868
Obligations Of State And Political Subdivisions [Member]
Available-for-sale Securities and Held-to-maturity Securities
Number of Securities, Available for Sale	20	9
Amortized cost of securities with unrealized losses, Available for Sale	31,579	10,457
Continuous Unrealized Loss Existing for Less Than 12 Months, Available for Sale	(887)	(83)
Continuous Unrealized Loss Existing for More Than 12 Months, Available for Sale	(198)
Fair value of securities with unrealized losses, Available for Sale	30,494	10,374
Residential Mortgage-Backed Securities [Member]
Available-for-sale Securities and Held-to-maturity Securities
Number of Securities, Available for Sale	53	23
Amortized cost of securities with unrealized losses, Available for Sale	104,667	46,787
Continuous Unrealized Loss Existing for Less Than 12 Months, Available for Sale	(2,015)	(288)
Continuous Unrealized Loss Existing for More Than 12 Months, Available for Sale	(74)	(15)
Fair value of securities with unrealized losses, Available for Sale	102,578	46,484
Asset-Backed Securities [Member]
Available-for-sale Securities and Held-to-maturity Securities
Number of Securities, Available for Sale	3	4
Amortized cost of securities with unrealized losses, Available for Sale	9,578	7,794
Continuous Unrealized Loss Existing for Less Than 12 Months, Available for Sale	(96)	(123)
Fair value of securities with unrealized losses, Available for Sale	$ 9,482	$ 7,671