Fair Value Of Assets And Liabilities (Summary Of Changes In Level 3 Assets And Liabilities Measured At Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Trading Account Assets [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	$ 7,200		$ 17,992
Net income	(85)		921
Other comprehensive income	0		0
Purchases, assets	1,559		0
Issuances, assets	0		0
Sales, assets	(1,715)		0
Settlements, assets	(366)		(2,454)
Net transfers into/(out of) Level 3, assets	0		0
Ending Balance	6,593		16,459
Net unrealized gains/(losses) included in net income	(40)	[1]	431	[1]
Loans Held For Sale [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	230,456		221,094
Net income	1,187		175
Other comprehensive income	0		0
Purchases, assets	4,106		18,467
Issuances, assets	0		0
Sales, assets	0		0
Settlements, assets	(4,193)		(4,228)
Net transfers into/(out of) Level 3, assets	(2,337)	[2]	(2,824)	[2]
Ending Balance	229,219		232,684
Net unrealized gains/(losses) included in net income	1,187	[1]	175	[1]
Investment Portfolio [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	3,826		5,253
Net income	0		0
Other comprehensive income	(17)		(37)
Purchases, assets	0		0
Issuances, assets	0		0
Sales, assets	0		0
Settlements, assets	(127)		(440)
Net transfers into/(out of) Level 3, assets	0		0
Ending Balance	3,682		4,776
Net unrealized gains/(losses) included in net income	0		0
Venture Capital Funds [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	4,300		4,300
Net income	0		0
Other comprehensive income	0		0
Purchases, assets	0		0
Issuances, assets	0		0
Sales, assets	0		0
Settlements, assets	0		0
Net transfers into/(out of) Level 3, assets	0		0
Ending Balance	4,300		4,300
Net unrealized gains/(losses) included in net income	0		0
Mortgage Servicing Rights Net [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	72,793		114,311
Net income	1,133		833
Other comprehensive income	0		0
Purchases, assets	0		0
Issuances, assets	0		0
Sales, assets	(68,519)		0
Settlements, assets	(720)		(6,042)
Net transfers into/(out of) Level 3, assets	0		0
Ending Balance	4,687		109,102
Net unrealized gains/(losses) included in net income	73	[1]	925	[1]
Net Derivative Liabilities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	(2,915)		(2,175)
Net income	(2,341)		(186)
Other comprehensive income	0		0
Purchases, liabilities	0		0
Issuances, liabilities	0		0
Sales, liabilities	0		0
Settlements, liabilities	311		311
Net transfers in/(out) level 3, liabilities	0		0
Ending Balance	(4,945)		(2,050)
Net unrealized gains/(losses) included in other expense	(2,341)	[3]	(186)	[3]
Other Short Term Borrowings [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance			(11,156)
Net income			172
Other comprehensive income			0
Purchases, liabilities			0
Issuances, liabilities			0
Sales, liabilities			0
Settlements, liabilities			0
Net transfers in/(out) level 3, liabilities			0
Ending Balance			(10,984)
Net unrealized gains/(losses) included in net income			$ 172	[1]

[1] Primarily included in mortgage banking income on the Consolidated Condensed Statements of Income.

[2] Transfers out of recurring loans held-for-sale level 3 balances reflect movements out of loans held-for-sale and into real estate acquired by foreclosure (level 3 nonrecurring).

[3] Included in Other expense.