Loans (Information By Class Related To Individually Impaired Loans) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	$ 371,136		$ 464,750		$ 371,136		$ 464,750
Unpaid Principal Balance	434,898		540,674		434,898		540,674
Related Allowance	68,897		82,111		68,897		82,111
Average Recorded Investment	374,714		454,890		382,859		461,642
Interest Income Recognized	1,666		1,829		3,347		3,460
Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	74,261		162,704		74,261		162,704
Unpaid Principal Balance	97,226		195,794		97,226		195,794
Related Allowance	5,383		16,753		5,383		16,753
Average Recorded Investment	78,181		160,503		87,439		169,748
Interest Income Recognized	201		248		445		477
Retail [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	296,875		302,046		296,875		302,046
Unpaid Principal Balance	337,672		344,880		337,672		344,880
Related Allowance	63,514		65,358		63,514		65,358
Average Recorded Investment	296,533		294,387		295,420		291,894
Interest Income Recognized	1,465		1,581		2,902		2,983
Impaired Loans With No Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	23,475		87,877		23,475		87,877
Unpaid Principal Balance	33,504		111,466		33,504		111,466
Related Allowance	0		0		0		0
Average Recorded Investment	23,052		100,577		27,596		110,315
Interest Income Recognized	0		180		0		398
Impaired Loans With No Related Allowance Recorded [Member] | Retail [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	32,716		43,036		32,716		43,036
Unpaid Principal Balance	58,010		71,364		58,010		71,364
Related Allowance	0		0		0		0
Average Recorded Investment	33,561		44,097		34,454		41,453
Interest Income Recognized	0		0		0		0
Impaired Loans With Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	50,786		74,827		50,786		74,827
Unpaid Principal Balance	63,722		84,328		63,722		84,328
Related Allowance	5,383		16,753		5,383		16,753
Average Recorded Investment	55,129		59,926		59,843		59,433
Interest Income Recognized	201		68		445		79
Impaired Loans With Related Allowance Recorded [Member] | Retail [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	264,159		259,010		264,159		259,010
Unpaid Principal Balance	279,662		273,516		279,662		273,516
Related Allowance	63,514		65,358		63,514		65,358
Average Recorded Investment	262,972		250,290		260,966		250,441
Interest Income Recognized	1,465		1,581		2,902		2,983
General C I [Member] | Impaired Loans With No Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	15,489		47,432		15,489		47,432
Unpaid Principal Balance	17,280		55,225		17,280		55,225
Related Allowance	0		0		0		0
Average Recorded Investment	14,809		54,140		17,594		53,873
Interest Income Recognized	0		28		0		108
General C I [Member] | Impaired Loans With Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	32,395		24,216		32,395		24,216
Unpaid Principal Balance	38,331		30,555		38,331		30,555
Related Allowance	3,150		2,433		3,150		2,433
Average Recorded Investment	30,059		13,985		26,146		17,258
Interest Income Recognized	78		37		157		37
TRUPs [Member] | Impaired Loans With No Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	0		6,500		0		6,500
Unpaid Principal Balance	0		6,500		0		6,500
Related Allowance	0		0		0		0
Average Recorded Investment	0		8,250		1,625		15,250
Interest Income Recognized	0		0		0		0
TRUPs [Member] | Impaired Loans With Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	3,520		43,700		3,520		43,700
Unpaid Principal Balance	3,700		43,700		3,700		43,700
Related Allowance	925		13,768		925		13,768
Average Recorded Investment	8,535		41,950		16,057		38,700
Interest Income Recognized	0		0		0		0
Income C R E [Member] | Impaired Loans With No Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	6,838		22,978		6,838		22,978
Unpaid Principal Balance	14,397		33,744		14,397		33,744
Related Allowance	0		0		0		0
Average Recorded Investment	7,669		25,557		8,090		28,389
Interest Income Recognized	0		93		0		168
Income C R E [Member] | Impaired Loans With Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	8,842		4,830		8,842		4,830
Unpaid Principal Balance	10,214		6,129		10,214		6,129
Related Allowance	641		441		641		441
Average Recorded Investment	10,331		2,950		11,214		2,954
Interest Income Recognized	62		15		164		26
Residential C R E [Member] | Impaired Loans With No Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	1,148		10,967		1,148		10,967
Unpaid Principal Balance	1,827		15,997		1,827		15,997
Related Allowance	0		0		0		0
Average Recorded Investment	574		12,630		287		12,803
Interest Income Recognized	0		59		0		122
Residential C R E [Member] | Impaired Loans With Related Allowance Recorded [Member] | Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	6,029		2,081		6,029		2,081
Unpaid Principal Balance	11,477		3,944		11,477		3,944
Related Allowance	667		111		667		111
Average Recorded Investment	6,204		1,041		6,426		521
Interest Income Recognized	61		16		124		16
Home Equity [Member] | Impaired Loans With No Related Allowance Recorded [Member] | Retail [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	17,390	[1]	19,709	[1]	17,390	[1]	19,709	[1]
Unpaid Principal Balance	38,216		41,264		38,216		41,264
Related Allowance	0		0		0		0
Average Recorded Investment	16,771		20,383		16,629		20,023
Interest Income Recognized	0		0		0		0
Home Equity [Member] | Impaired Loans With Related Allowance Recorded [Member] | Retail [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	77,283		67,672		77,283		67,672
Unpaid Principal Balance	78,492		68,336		78,492		68,336
Related Allowance	17,475		18,122		17,475		18,122
Average Recorded Investment	75,285		65,369		73,539		63,661
Interest Income Recognized	457		464		891		890
R E Installment Loans [Member] | Impaired Loans With No Related Allowance Recorded [Member] | Retail [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	7,464	[1]	12,193	[1]	7,464	[1]	12,193	[1]
Unpaid Principal Balance	10,009		15,184		10,009		15,184
Related Allowance	0		0		0		0
Average Recorded Investment	8,932		12,761		9,818		11,258
Interest Income Recognized	0		0		0		0
R E Installment Loans [Member] | Impaired Loans With Related Allowance Recorded [Member] | Retail [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	74,748		78,624		74,748		78,624
Unpaid Principal Balance	75,634		79,594		75,634		79,594
Related Allowance	26,450		24,271		26,450		24,271
Average Recorded Investment	74,243		73,549		73,629		74,157
Interest Income Recognized	297		404		566		689
Permanent Mortgage Portfolio Segment [Member] | Impaired Loans With No Related Allowance Recorded [Member] | Retail [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	7,862	[1]	11,134	[1]	7,862	[1]	11,134	[1]
Unpaid Principal Balance	9,785		14,916		9,785		14,916
Related Allowance	0		0		0		0
Average Recorded Investment	7,858		10,953		8,007		10,172
Interest Income Recognized	0		0		0		0
Permanent Mortgage Portfolio Segment [Member] | Impaired Loans With Related Allowance Recorded [Member] | Retail [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	111,604		111,997		111,604		111,997
Unpaid Principal Balance	125,012		124,869		125,012		124,869
Related Allowance	19,323		22,725		19,323		22,725
Average Recorded Investment	112,796		110,640		113,145		111,856
Interest Income Recognized	706		705		1,429		1,388
Credit Card Other [Member] | Impaired Loans With Related Allowance Recorded [Member] | Retail [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	524		717		524		717
Unpaid Principal Balance	524		717		524		717
Related Allowance	266		240		266		240
Average Recorded Investment	648		732		653		767
Interest Income Recognized	$ 5		$ 8		$ 16		$ 16

[1] All discharged bankruptcy loans are charged down to an estimate of net realizable value and do not carry any allowance.