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Loans And Allowance For Loan Losses (Age Analysis Of Past Due Loans, By Class) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2012 | Dec. 31, 2011
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Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
30-89 Days Past Due | $ 48,817 | $ 46,174
>90 Days Past Due and Still Accruing | 47,515 | 18,131
Non-Accrual | 98,418 | 94,335
Total Past Due | 194,750 | 158,640
Current | 7,608,042 | 6,698,027
Total Loans | 7,802,792 | 6,856,667
Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
30-89 Days Past Due | 13,613 | 13,868
>90 Days Past Due and Still Accruing | 16,772 | 9,612
Non-Accrual | 39,575 | 37,134
Total Past Due | 69,960 | 60,614
Current | 2,451,611 | 2,281,032
Total Loans | 2,521,571 | 2,341,646
Commercial Real Estate - FL [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Non-Accrual | 39,021 | 39,122
Total Past Due | 39,021 | 39,122
Current | 96,526 | 114,959
Total Loans | 135,547 | 154,081
Commercial And Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
30-89 Days Past Due | 3,837 | 2,164
>90 Days Past Due and Still Accruing | 998 | 690
Non-Accrual | 7,622 | 6,956
Total Past Due | 12,457 | 9,810
Current | 1,438,687 | 1,353,882
Total Loans | 1,451,144 | 1,363,692
Commercial Leases [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
30-89 Days Past Due | 1,999 | 1,102
>90 Days Past Due and Still Accruing |  | 5
Non-Accrual | 1,176 | 1,084
Total Past Due | 3,175 | 2,191
Current | 114,875 | 108,604
Total Loans | 118,050 | 110,795
Total Commercial Loans And Leases [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
30-89 Days Past Due | 19,449 | 17,134
>90 Days Past Due and Still Accruing | 17,770 | 10,307
Non-Accrual | 87,394 | 84,296
Total Past Due | 124,613 | 111,737
Current | 4,101,699 | 3,858,477
Total Loans | 4,226,312 | 3,970,214
Direct Installment [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
30-89 Days Past Due | 7,662 | 8,228
>90 Days Past Due and Still Accruing | 2,691 | 3,614
Non-Accrual | 3,100 | 2,525
Total Past Due | 13,453 | 14,367
Current | 1,069,511 | 1,014,820
Total Loans | 1,082,964 | 1,029,187
Residential Mortgages [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
30-89 Days Past Due | 16,465 | 14,492
>90 Days Past Due and Still Accruing | 25,589 | 3,342
Non-Accrual | 2,818 | 2,443
Total Past Due | 44,872 | 20,277
Current | 1,142,576 | 650,659
Total Loans | 1,187,448 | 670,936
Indirect Installment [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
30-89 Days Past Due | 3,398 | 5,031
>90 Days Past Due and Still Accruing | 415 | 282
Non-Accrual | 986 | 918
Total Past Due | 4,799 | 6,231
Current | 559,130 | 534,558
Total Loans | 563,929 | 540,789
Consumer Lines Of Credit [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
30-89 Days Past Due | 1,804 | 1,253
>90 Days Past Due and Still Accruing | 1,038 | 586
Non-Accrual | 620 | 653
Total Past Due | 3,462 | 2,492
Current | 701,311 | 604,788
Total Loans | 704,773 | 607,280
Other [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
30-89 Days Past Due | 39 | 36
>90 Days Past Due and Still Accruing | 12 |
Non-Accrual | 3,500 | 3,500
Total Past Due | 3,551 | 3,536
Current | 33,815 | 34,725
Total Loans | $ 37,366 | $ 38,261

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- Definition Reflects the aggregate gross carrying amount of all categories of loans and leases held in portfolio, after deducting deferred income, but before deducting the allowance for losses on 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=6965416&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=6375948&loc=d3e4428-111522 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 13 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Chapter 8 -Paragraph 116 -IssueDate 2006-05-01 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 8 -Subparagraph e -Subsection I -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. + Details
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