Investment Securities (Summary Of Gross Unrealized Losses On Investment Securities Available For Sale And Length Of Time) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less than 12 months, Fair Value	$ 39,535	$ 61,743
Available-for-sale Securities, Less than 12 months, Loss	264	232
Available-for-sale Securities, 12 months or more, Fair Value	3,126	7,666
Available-for-sale Securities, 12 months or more, Loss	20	533
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	42,661	69,409
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	284	765
U.S. Agency Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less than 12 months, Fair Value		2,536
Available-for-sale Securities, Less than 12 months, Loss		6
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		2,536
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total		6
FHLB Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less than 12 months, Fair Value		5,047
Available-for-sale Securities, Less than 12 months, Loss		3
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		5,047
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total		3
Agency MBSs [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less than 12 months, Fair Value		10,452
Available-for-sale Securities, Less than 12 months, Loss		18
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		10,452
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total		18
Agency CMBSs [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less than 12 months, Fair Value	5,024
Available-for-sale Securities, Less than 12 months, Loss	66
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	5,024
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	66
Agency CMOs [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less than 12 months, Fair Value	34,511	43,708
Available-for-sale Securities, Less than 12 months, Loss	198	205
Available-for-sale Securities, 12 months or more, Fair Value	0	2,861
Available-for-sale Securities, 12 months or more, Loss	0	40
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	34,511	46,569
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	198	245
Non-Agency CMOs [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Less than 12 months, Fair Value	0	0
Available-for-sale Securities, Less than 12 months, Loss	0	0
Available-for-sale Securities, 12 months or more, Fair Value	3,126	4,805
Available-for-sale Securities, 12 months or more, Loss	20	493
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value, Total	3,126	4,805
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses, Total	$ 20	$ 493