Investment Securities (Summary Of Gross Unrealized Losses On Investment Securities Available For Sale And Length Of Time) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less Than 12 Months, Fair Value	$ 164,029	$ 89,382
Available-for-sale Securities, Less Than 12 Months, Loss	1,230	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	164,029	92,423
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	1,230	766
U.S. Agency Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less Than 12 Months, Fair Value	20,751	10,897
Available-for-sale Securities, Less Than 12 Months, Loss	173	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	20,751	10,897
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	173	59
U.S. GSEs [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less Than 12 Months, Fair Value	14,788	9,882
Available-for-sale Securities, Less Than 12 Months, Loss	164	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	14,788	9,882
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	164	88
FHLB Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less Than 12 Months, Fair Value	19,894
Available-for-sale Securities, Less Than 12 Months, Loss	106
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	19,894
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	106
Agency MBSs [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less Than 12 Months, Fair Value	4,943
Available-for-sale Securities, Less Than 12 Months, Loss	11
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	4,943
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	11
Agency CMBSs [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less Than 12 Months, Fair Value	9,875	5,029
Available-for-sale Securities, Less Than 12 Months, Loss	87	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	9,875	5,029
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	87	58
Agency CMOs [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less Than 12 Months, Fair Value	69,028	39,047
Available-for-sale Securities, Less Than 12 Months, Loss	640	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	69,028	39,047
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	640	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	24,750	24,527
Available-for-sale Securities, Less Than 12 Months, Loss	49	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	24,750	24,527
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	$ 49	$ 221