Investment Securities (Summary Of Contractual Maturity Of Debt Securities Classified As Held To Maturity) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Schedule of Held-to-maturity Securities [Line Items]
Held to Maturity (at fair value), Within One Year	$ 7
Held to Maturity (at fair value), After Five But Within Ten Years	14,567
Held to Maturity (at amortized cost), After Ten Years	115,298
Held-to-maturity Securities, Fair Value	129,872	$ 139,171
Held to Maturity (at amortized cost), Within One Year	7
Held to Maturity (at amortized cost), After Five But Within Ten Years	14,356
Held to Maturity (at amortized cost), After Ten Years	114,949
Total Held to Maturity Securities, Amortized Cost	129,312	138,421
U.S. Agency Obligations [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to Maturity (at amortized cost), After Ten Years	21,616
Held-to-maturity Securities, Fair Value	21,616	22,669
Held to Maturity (at amortized cost), After Ten Years	21,137
Total Held to Maturity Securities, Amortized Cost	21,137	22,072
U.S. GSEs [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to Maturity (at fair value), After Five But Within Ten Years	9,615
Held-to-maturity Securities, Fair Value	9,615	9,557
Held to Maturity (at amortized cost), After Five But Within Ten Years	9,527
Total Held to Maturity Securities, Amortized Cost	9,527	9,498
FHLB Obligations [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to Maturity (at fair value), After Five But Within Ten Years	4,849
Held-to-maturity Securities, Fair Value	4,849	4,820
Held to Maturity (at amortized cost), After Five But Within Ten Years	4,739
Total Held to Maturity Securities, Amortized Cost	4,739	4,720
Agency MBSs [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to Maturity (at fair value), Within One Year	7
Held to Maturity (at fair value), After Five But Within Ten Years	103
Held to Maturity (at amortized cost), After Ten Years	7,576
Held-to-maturity Securities, Fair Value	7,686	8,342
Held to Maturity (at amortized cost), Within One Year	7
Held to Maturity (at amortized cost), After Five But Within Ten Years	90
Held to Maturity (at amortized cost), After Ten Years	7,472
Total Held to Maturity Securities, Amortized Cost	7,569	8,109
Agency CMOs [Member]
Schedule of Held-to-maturity Securities [Line Items]
Held to Maturity (at amortized cost), After Ten Years	86,106
Held-to-maturity Securities, Fair Value	86,106	93,783
Held to Maturity (at amortized cost), After Ten Years	86,340
Total Held to Maturity Securities, Amortized Cost	$ 86,340	$ 94,022