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Loans (Period-End Balances And Various Asset Quality Attributes By Origination Vintage For Permanent Mortgage Classes Of Loans) (Details) | Sep. 30, 2015 USD ($) number | Dec. 31, 2014 USD ($) | Sep. 30, 2014 USD ($) number
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Loans, net of unearned income | $ | $ 16,725,492,000 | [1] | $ 16,230,166,000 | $ 15,812,017,000
Permanent Mortgage Portfolio Segment [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Permanent Mortgage - Period End Balance | $ | $ 463,893,000 |  |  | $ 572,789,000
Avg orig FICO | 730 |  |  | 730
Avg Refreshed FICO | 716 |  |  | 731
Loans, net of unearned income | $ | $ 463,893,000 |  | $ 538,961,000 | $ 572,789,000
Permanent Mortgage Portfolio Segment [Member] | Origination Vintage Period Pre2004 [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Permanent Mortgage - Period End Balance | $ | $ 120,411,000 |  |  | $ 161,037,000
Avg orig FICO | 722 |  |  | 724
Avg Refreshed FICO | 718 |  |  | 723
Permanent Mortgage Portfolio Segment [Member] | Origination Vintage Period 2004 [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Permanent Mortgage - Period End Balance | $ | $ 14,003,000 |  |  | $ 18,190,000
Avg orig FICO | 711 |  |  | 713
Avg Refreshed FICO | 709 |  |  | 713
Permanent Mortgage Portfolio Segment [Member] | Origination Vintage Period 2005 [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Permanent Mortgage - Period End Balance | $ | $ 30,637,000 |  |  | $ 35,503,000
Avg orig FICO | 736 |  |  | 737
Avg Refreshed FICO | 733 |  |  | 733
Permanent Mortgage Portfolio Segment [Member] | Origination Vintage Period 2006 [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Permanent Mortgage - Period End Balance | $ | $ 49,011,000 |  |  | $ 65,722,000
Avg orig FICO | 732 |  |  | 731
Avg Refreshed FICO | 722 |  |  | 734
Permanent Mortgage Portfolio Segment [Member] | Origination Vintage Period 2007 [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Permanent Mortgage - Period End Balance | $ | $ 168,663,000 |  |  | $ 201,640,000
Avg orig FICO | 734 |  |  | 734
Avg Refreshed FICO | 713 |  |  | 735
Permanent Mortgage Portfolio Segment [Member] | Origination Vintage Period 2008 [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Permanent Mortgage - Period End Balance | $ | $ 81,168,000 |  |  | $ 90,697,000
Avg orig FICO | 741 |  |  | 742
Avg Refreshed FICO | 712 |  |  | 736
[1] | September 30, 2015 includes $30.7 million of held-to-maturity consumer mortgage loans secured by residential real estate in process of foreclosure.

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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 Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + 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=49124121&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 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 Reference 2: 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=49124121&loc=d3e5074-111524 + Details
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