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Loans (Period-End Balances And Various Asset Quality Attributes By Origination Vintage For Permanent Mortgage Classes Of Loans) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013 | Mar. 31, 2013
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Loans, net of unearned income | $ 15,119,461 |  | $ 15,389,074 |  | $ 15,889,670 |
Permanent Mortgage Portfolio Segment [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Permanent Mortgage - Period End Balance | 622,242 |  |  |  | 793,282 |
Avg orig FICO | 730 |  |  |  | 731 |
Avg Refreshed FICO | 712 |  |  |  | 711 |
Loans, net of unearned income | 622,242 | [1] | 662,242 | [1] | 793,282 | [1]
Permanent Mortgage Portfolio Segment [Member] | Origination Vintage Period Pre2004 [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Permanent Mortgage - Period End Balance | 178,765 |  |  |  | 249,523 |
Avg orig FICO | 725 |  |  |  | 726 |
Avg Refreshed FICO | 728 |  |  |  | 727 |
Permanent Mortgage Portfolio Segment [Member] | Origination Vintage Period 2004 [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Permanent Mortgage - Period End Balance | 21,398 |  |  |  | 28,662 |
Avg orig FICO | 712 |  |  |  | 714 |
Avg Refreshed FICO | 691 |  |  |  | 691 |
Permanent Mortgage Portfolio Segment [Member] | Origination Vintage Period 2005 [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Permanent Mortgage - Period End Balance | 38,586 |  |  |  | 47,382 |
Avg orig FICO | 737 |  |  |  | 739 |
Avg Refreshed FICO | 715 |  |  |  | 713 |
Permanent Mortgage Portfolio Segment [Member] | Origination Vintage Period 2006 [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Permanent Mortgage - Period End Balance | 72,413 |  |  |  | 89,179 |
Avg orig FICO | 728 |  |  |  | 732 |
Avg Refreshed FICO | 706 |  |  |  | 712 |
Permanent Mortgage Portfolio Segment [Member] | Origination Vintage Period 2007 [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Permanent Mortgage - Period End Balance | 213,580 |  |  |  | 260,136 |
Avg orig FICO | 733 |  |  |  | 734 |
Avg Refreshed FICO | 711 |  |  |  | 711 |
Permanent Mortgage Portfolio Segment [Member] | Origination Vintage Period 2008 [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Permanent Mortgage - Period End Balance | $ 97,500 |  |  |  | $ 118,400 |
Avg orig FICO | 741 |  |  |  | 742 |
Avg Refreshed FICO | 712 |  |  |  | 712 |
[1] | Balances as of March 31, 2013, and December 31, 2013 include $13.0 million and $11.2 million of restricted and secured real estate loans, respectively. See Note 14 - Variable Interest Entities for additional information.

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- Definition For loans with remaining balance, the average consumer credit risk score at origination. Consumer credit risk scores obtained from Fair Isaac Corporation. + References No definition available. + Details
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- Definition For loans with remaining balance, the updated average consumer credit risk score. Consumer credit risk scores obtained from Fair Isaac Corporation. + References No definition available. + Details
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- Definition Reflects the net carrying amount of consumer loans and leases held in portfolio, after deducting deferred income, but before deducting the allowance for losses on consumer loans and leases. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5074-111524 + Details
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- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 + Details
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