Impairment Of Investments (Summary Of Investments In A Continuous Unrealized Loss Position) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Less than Twelve Months, Fair Vlaue	$ 11,141	$ 36,655
Less than Twelve Months, Unrealized Losses	(55)	(213)
Twelve Months Or Longer, Fair Value	3,048	5,708
Twelve Months Or Longer, Unrealized Losses	(449)	(590)
Total, Fair Value	14,189	42,363
Total, Unrealized Losses	(504)	(803)
Municipal Bonds [Member]
Less than Twelve Months, Fair Vlaue	196	983
Less than Twelve Months, Unrealized Losses	(4)	(32)
Twelve Months Or Longer, Fair Value	0	397
Twelve Months Or Longer, Unrealized Losses	0	(4)
Total, Fair Value	196	1,380
Total, Unrealized Losses	(4)	(36)
GSE Agencies [Member]
Less than Twelve Months, Fair Vlaue		1,637
Less than Twelve Months, Unrealized Losses		(10)
Twelve Months Or Longer, Fair Value		0
Twelve Months Or Longer, Unrealized Losses		0
Total, Fair Value		1,637
Total, Unrealized Losses		(10)
Private Label [Member]
Less than Twelve Months, Fair Vlaue	605	6,079
Less than Twelve Months, Unrealized Losses	(1)	(59)
Twelve Months Or Longer, Fair Value	1,522	3,911
Twelve Months Or Longer, Unrealized Losses	(5)	(17)
Total, Fair Value	2,127	9,990
Total, Unrealized Losses	(6)	(76)
Mortgage Backed Securities Issued By Agencies [Member]
Less than Twelve Months, Fair Vlaue	10,340	27,956
Less than Twelve Months, Unrealized Losses	(50)	(112)
Twelve Months Or Longer, Fair Value	0	0
Twelve Months Or Longer, Unrealized Losses	0	0
Total, Fair Value	10,340	27,956
Total, Unrealized Losses	(50)	(112)
Corporate Debt [Member]
Less than Twelve Months, Fair Vlaue	0	0
Less than Twelve Months, Unrealized Losses	0	0
Twelve Months Or Longer, Fair Value	1,526	1,400
Twelve Months Or Longer, Unrealized Losses	(444)	(569)
Total, Fair Value	1,526	1,400
Total, Unrealized Losses	$ (444)	$ (569)