Investment Securities (Summary Of Gross Unrealized Or Unrecognized Losses On Investment Securities And Length Of Time) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less than 12 months, Fair Value	$ 24,357	$ 117,229
Available-for-sale Securities, Less than 12 months, Loss	84	3,042
Available-for-sale Securities, 12 months or more, Fair Value	39,203	8,417
Available-for-sale Securities, 12 months or more, Loss	639	412
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	63,560	125,646
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	723	3,454
Held to Maturity Securities, Less Than 12 Months, Fair Value	14,338	101,917
Held to Maturity Securities, Less Than 12 Months, Loss	108	2,597
Held to Maturity Securities, 12 Months or More, Fair Value	43,911	34,876
Held to Maturity Securities, 12 Months or More, Loss	411	1,167
Held to Maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total	58,249	136,793
Held to Maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	519	3,764
U.S. Treasury Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less than 12 months, Fair Value	5,080
Available-for-sale Securities, Less than 12 months, Loss	12
Available-for-sale Securities, 12 months or more, Fair Value	0
Available-for-sale Securities, 12 months or more, Loss	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	5,080
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	12
U.S. Agency Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Held to Maturity Securities, Less Than 12 Months, Fair Value		13,722
Held to Maturity Securities, Less Than 12 Months, Loss		307
Held to Maturity Securities, 12 Months or More, Fair Value		9,400
Held to Maturity Securities, 12 Months or More, Loss		151
Held to Maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total		23,122
Held to Maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total		458
U.S. GSEs [Member]
Schedule of Available-for-sale Securities [Line Items]
Held to Maturity Securities, Less Than 12 Months, Fair Value		8,930
Held to Maturity Securities, Less Than 12 Months, Loss		512
Held to Maturity Securities, 12 Months or More, Fair Value		0
Held to Maturity Securities, 12 Months or More, Loss		0
Held to Maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total		8,930
Held to Maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total		512
FHLB Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Held to Maturity Securities, Less Than 12 Months, Fair Value		4,493
Held to Maturity Securities, Less Than 12 Months, Loss		191
Held to Maturity Securities, 12 Months or More, Fair Value		0
Held to Maturity Securities, 12 Months or More, Loss		0
Held to Maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total		4,493
Held to Maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total		191
Agency MBSs [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less than 12 months, Fair Value	7,893	46,547
Available-for-sale Securities, Less than 12 months, Loss	23	1,487
Available-for-sale Securities, 12 months or more, Fair Value	10,763	0
Available-for-sale Securities, 12 months or more, Loss	77	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	18,656	46,547
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	100	1,487
Held to Maturity Securities, Less Than 12 Months, Fair Value	0	8,569
Held to Maturity Securities, Less Than 12 Months, Loss	0	177
Held to Maturity Securities, 12 Months or More, Fair Value	0	0
Held to Maturity Securities, 12 Months or More, Loss	0	0
Held to Maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total	0	8,569
Held to Maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	0	177
Agency CMBSs [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less than 12 months, Fair Value	0	12,778
Available-for-sale Securities, Less than 12 months, Loss	0	578
Available-for-sale Securities, 12 months or more, Fair Value	17,478	4,860
Available-for-sale Securities, 12 months or more, Loss	372	182
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	17,478	17,638
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	372	760
Agency CMOs [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less than 12 months, Fair Value	11,384	57,904
Available-for-sale Securities, Less than 12 months, Loss	49	977
Available-for-sale Securities, 12 months or more, Fair Value	10,962	3,557
Available-for-sale Securities, 12 months or more, Loss	190	230
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	22,346	61,461
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	239	1,207
Held to Maturity Securities, Less Than 12 Months, Fair Value	14,338	66,203
Held to Maturity Securities, Less Than 12 Months, Loss	108	1,410
Held to Maturity Securities, 12 Months or More, Fair Value	43,911	25,476
Held to Maturity Securities, 12 Months or More, Loss	411	1,016
Held to Maturity Securities, Continuous Unrealized Loss Position, Fair Value, Total	58,249	91,679
Held to Maturity Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	$ 519	$ 2,426

Amount of unrealized loss on securities classified as available-for-sale that have been in a loss position for twelve months or longer.

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