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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.

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- Definition Amount of issuances of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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