Investment Securities (Summary Of Gross Unrealized Losses On Investment Securities Available For Sale And Length Of Time) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less Than 12 Months, Fair Value	$ 266,972	$ 89,382
Available-for-sale Securities, Less Than 12 Months, Loss	7,394	764
Available-for-sale Securities, 12 Months or More, Fair Value	0	3,041
Available-for-sale Securities, 12 Months or More, Loss	0	2
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	266,972	92,423
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	7,394	766
U.S. Agency Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less Than 12 Months, Fair Value	24,410	10,897
Available-for-sale Securities, Less Than 12 Months, Loss	1,353	59
Available-for-sale Securities, 12 Months or More, Fair Value	0	0
Available-for-sale Securities, 12 Months or More, Loss	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	24,410	10,897
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	1,353	59
U.S. GSEs [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less Than 12 Months, Fair Value	9,408	9,882
Available-for-sale Securities, Less Than 12 Months, Loss	564	88
Available-for-sale Securities, 12 Months or More, Fair Value	0	0
Available-for-sale Securities, 12 Months or More, Loss	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	9,408	9,882
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	564	88
FHLB Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less Than 12 Months, Fair Value	4,669
Available-for-sale Securities, Less Than 12 Months, Loss	331
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	4,669
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	331
Agency MBSs [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less Than 12 Months, Fair Value	53,326
Available-for-sale Securities, Less Than 12 Months, Loss	1,241
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	53,326
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	1,241
Agency CMBSs [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less Than 12 Months, Fair Value	18,043	5,029
Available-for-sale Securities, Less Than 12 Months, Loss	609	58
Available-for-sale Securities, 12 Months or More, Fair Value	0	0
Available-for-sale Securities, 12 Months or More, Loss	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	18,043	5,029
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	609	58
Agency CMOs [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less Than 12 Months, Fair Value	122,330	39,047
Available-for-sale Securities, Less Than 12 Months, Loss	3,188	338
Available-for-sale Securities, 12 Months or More, Fair Value	0	0
Available-for-sale Securities, 12 Months or More, Loss	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	122,330	39,047
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	3,188	338
Non-Agency CMOs [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less Than 12 Months, Fair Value		0
Available-for-sale Securities, Less Than 12 Months, Loss		0
Available-for-sale Securities, 12 Months or More, Fair Value		3,041
Available-for-sale Securities, 12 Months or More, Loss		2
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total		3,041
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total		2
CLOs [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less Than 12 Months, Fair Value	34,786	24,527
Available-for-sale Securities, Less Than 12 Months, Loss	108	221
Available-for-sale Securities, 12 Months or More, Fair Value	0	0
Available-for-sale Securities, 12 Months or More, Loss	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	34,786	24,527
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	$ 108	$ 221