Investment Securities (Available For Sale Securities Age of Unrealized Losses And Fair Value Of Related Securities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value	$ 97,569	$ 81,542
Less than Twelve Months, Unrealized Losses	(7,563)	(901)
More than Twelve Months, Fair Value	79,948	101,717
More than Twelve Months, Unrealized Losses	(42,182)	(20,071)
Total, Fair Value	177,517	183,259
Total, Unrealized Losses	(49,745)	(20,972)
U.S. Government Agency Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value	7,980	66,157
Less than Twelve Months, Unrealized Losses	(243)	(152)
Total, Fair Value	7,980	66,157
Total, Unrealized Losses	(243)	(152)
Obligations Of States And Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value	141	1,146
Less than Twelve Months, Unrealized Losses	(1)	(3)
Total, Fair Value	141	1,146
Total, Unrealized Losses	(1)	(3)
Residential Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value	41,673	11,439
Less than Twelve Months, Unrealized Losses	(1,655)	(350)
More than Twelve Months, Fair Value	22,639	46,206
More than Twelve Months, Unrealized Losses	(3,789)	(2,590)
Total, Fair Value	64,312	57,645
Total, Unrealized Losses	(5,444)	(2,940)
Trust Preferred Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value	23,962	1,262
Less than Twelve Months, Unrealized Losses	(1,061)	(153)
More than Twelve Months, Fair Value	38,191	33,831
More than Twelve Months, Unrealized Losses	(32,115)	(13,966)
Total, Fair Value	62,153	35,093
Total, Unrealized Losses	(33,176)	(14,119)
Corporate And Other Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value	3,243
Less than Twelve Months, Unrealized Losses	(173)
More than Twelve Months, Fair Value	6,567	7,944
More than Twelve Months, Unrealized Losses	(3,409)	(2,030)
Total, Fair Value	9,810	7,944
Total, Unrealized Losses	(3,582)	(2,030)
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than Twelve Months, Fair Value	20,570	1,538
Less than Twelve Months, Unrealized Losses	(4,430)	(243)
More than Twelve Months, Fair Value	12,551	13,736
More than Twelve Months, Unrealized Losses	(2,869)	(1,485)
Total, Fair Value	33,121	15,274
Total, Unrealized Losses	$ (7,299)	$ (1,728)