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Allowance for Loan and Lease Losses (Troubled Debt Restructuring) (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013
--- | --- | ---
Financing Receivable, Modifications [Line Items] |  |
Accruing | $ 198,658 | $ 175,955
Nonaccruing | 32,343 | 30,801
Financing Receivable, Modifications, Recorded Investment | 231,001 | 206,756
TDRs |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 198,658 | 175,955
Nonaccruing | 32,343 | 30,801
Financing Receivable, Modifications, Recorded Investment | 231,001 | 206,756
Originated Loans |  |
Financing Receivable, Modifications [Line Items] |  |
Nonaccruing | 46,952 | 53,170
Originated Loans | TDRs |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 93,016 | 85,126
Nonaccruing | 20,717 | 19,322
Financing Receivable, Modifications, Recorded Investment | 113,733 | 104,448
Acquired Loans | TDRs |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 105,642 | 90,829
Nonaccruing | 11,626 | 11,479
Financing Receivable, Modifications, Recorded Investment | 117,268 | 102,308
Commercial |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 169,838 | 147,712
Nonaccruing | 28,537 | 26,681
Financing Receivable, Modifications, Recorded Investment | 198,375 | 174,393
Commercial | Construction and land development |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 20,791 | 21,032
Nonaccruing | 1,002 | 1,002
Financing Receivable, Modifications, Recorded Investment | 21,793 | 22,034
Commercial | Construction and land development | Originated Loans |  |
Financing Receivable, Modifications [Line Items] |  |
Nonaccruing | 702 | 544
Commercial | Mortgage |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 136,563 | 113,323
Nonaccruing | 25,276 | 23,387
Financing Receivable, Modifications, Recorded Investment | 161,839 | 136,710
Commercial | Mortgage | Originated Loans |  |
Financing Receivable, Modifications [Line Items] |  |
Nonaccruing | 28,910 | 33,529
Commercial | Other commercial real estate |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 3,308 | 3,470
Nonaccruing | 933 | 1,150
Financing Receivable, Modifications, Recorded Investment | 4,241 | 4,620
Commercial | Other commercial real estate | Originated Loans |  |
Financing Receivable, Modifications [Line Items] |  |
Nonaccruing | 1,459 | 1,610
Commercial | Commercial and industrial |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 8,929 | 9,838
Nonaccruing | 1,180 | 1,142
Financing Receivable, Modifications, Recorded Investment | 10,109 | 10,980
Commercial | Commercial and industrial | Originated Loans |  |
Financing Receivable, Modifications [Line Items] |  |
Nonaccruing | 1,075 | 1,428
Commercial | Lease financing |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 247 | 49
Nonaccruing | 146 | 0
Financing Receivable, Modifications, Recorded Investment | 393 | 49
Commercial | Lease financing | Originated Loans |  |
Financing Receivable, Modifications [Line Items] |  |
Nonaccruing | 689 | 832
Noncommerical |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 28,820 | 28,243
Nonaccruing | 3,806 | 4,120
Financing Receivable, Modifications, Recorded Investment | 32,626 | 32,363
Noncommerical | Mortgage |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 23,519 | 23,343
Nonaccruing | 3,806 | 3,663
Financing Receivable, Modifications, Recorded Investment | 27,325 | 27,006
Noncommerical | Mortgage | Originated Loans |  |
Financing Receivable, Modifications [Line Items] |  |
Nonaccruing | 14,091 | 14,701
Noncommerical | Construction and land development |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 699 | 651
Nonaccruing | 0 | 457
Financing Receivable, Modifications, Recorded Investment | 699 | 1,108
Noncommerical | Construction and land development | Originated Loans |  |
Financing Receivable, Modifications [Line Items] |  |
Nonaccruing | 0 | 457
Noncommerical | Revolving mortgage |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 3,587 | 3,095
Nonaccruing | 0 | 0
Financing Receivable, Modifications, Recorded Investment | 3,587 | 3,095
Noncommerical | Revolving mortgage | Originated Loans |  |
Financing Receivable, Modifications [Line Items] |  |
Nonaccruing | 0 | 0
Noncommerical | Consumer and Other |  |
Financing Receivable, Modifications [Line Items] |  |
Accruing | 1,015 | 1,154
Nonaccruing | 0 | 0
Financing Receivable, Modifications, Recorded Investment | $ 1,015 | $ 1,154

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- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554 + Details
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- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5111-111524 + Details
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