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Loans and Leases (Composition of the Loans and Leases Outstanding By Credit Quality Indicator) (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2012 | Dec. 31, 2011 | Sep. 30, 2011
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | $ 11,455,233 | [1] | $ 11,581,637 | [2] | $ 11,603,526 | [1]
Covered under loss share agreements | 1,897,097 | [1] | 2,362,152 | [2] | 2,557,450 | [1]
Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 7,844,572 |  | 7,866,572 |  | 7,817,695 |
Covered under loss share agreements | 1,542,482 |  | 1,872,685 |  | 2,013,636 |
Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 3,610,661 |  | 3,715,065 |  | 3,785,831 |
Covered under loss share agreements | 354,615 |  | 489,467 |  | 543,814 |
Construction and Land Development | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 319,743 |  | 381,163 |  | 416,719 |
Covered under loss share agreements | 258,388 |  | 338,873 |  | 405,658 |
Construction and Land Development | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 132,352 |  | 137,271 |  | 139,185 |
Covered under loss share agreements | 26,408 |  | 105,536 |  | 115,126 |
Commercial Mortgage | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 5,171,964 |  | 5,104,993 |  | 4,996,036 |
Covered under loss share agreements | 1,109,048 |  | 1,260,589 |  | 1,310,083 |
Other Commercial Real Estate | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 158,767 |  | 144,771 |  | 144,538 |
Covered under loss share agreements | 113,954 |  | 158,394 |  | 159,007 |
Commercial and Industrial | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 1,740,435 |  | 1,764,407 |  | 1,797,581 |
Covered under loss share agreements | 59,787 |  | 113,442 |  | 137,253 |
Lease Financing | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 321,908 |  | 312,869 |  | 304,039 |
Covered under loss share agreements | 0 |  | 57 |  | 162 |
Other | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 131,755 |  | 158,369 |  | 158,782 |
Covered under loss share agreements | 1,305 |  | 1,330 |  | 1,473 |
Residential Mortgage | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 814,877 |  | 784,118 |  | 816,738 |
Covered under loss share agreements | 289,160 |  | 327,568 |  | 380,405 |
Revolving Mortgage | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 2,244,459 |  | 2,296,306 |  | 2,302,482 |
Covered under loss share agreements | 37,280 |  | 51,552 |  | 39,709 |
Consumer | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 418,973 |  | 497,370 |  | 527,426 |
Covered under loss share agreements | 1,767 |  | 4,811 |  | 8,574 |
Pass | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 7,294,618 |  | 7,232,547 |  | 7,174,463 |
Pass | Construction and Land Development | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 283,804 |  | 332,742 |  | 371,906 |
Pass | Commercial Mortgage | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 4,846,921 |  | 4,749,254 |  | 4,632,698 |
Pass | Other Commercial Real Estate | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 148,075 |  | 130,586 |  | 130,591 |
Pass | Commercial and Industrial | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 1,567,505 |  | 1,556,651 |  | 1,585,106 |
Pass | Lease Financing | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 317,545 |  | 306,225 |  | 296,420 |
Pass | Other | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 130,768 |  | 157,089 |  | 157,742 |
Special Mention | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 203,779 |  | 287,788 |  | 304,269 |
Special Mention | Construction and Land Development | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 8,953 |  | 18,973 |  | 18,431 |
Special Mention | Commercial Mortgage | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 169,041 |  | 220,235 |  | 232,537 |
Special Mention | Other Commercial Real Estate | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 3,989 |  | 5,821 |  | 8,672 |
Special Mention | Commercial and Industrial | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 19,694 |  | 36,951 |  | 38,844 |
Special Mention | Lease Financing | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 1,851 |  | 4,537 |  | 4,765 |
Special Mention | Other | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 251 |  | 1,271 |  | 1,020 |
Substandard | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 199,106 |  | 196,325 |  | 185,400 |
Substandard | Construction and Land Development | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 25,722 |  | 28,793 |  | 26,249 |
Substandard | Commercial Mortgage | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 141,461 |  | 129,391 |  | 123,968 |
Substandard | Other Commercial Real Estate | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 6,317 |  | 7,794 |  | 4,629 |
Substandard | Commercial and Industrial | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 23,049 |  | 28,240 |  | 27,700 |
Substandard | Lease Financing | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 1,827 |  | 2,107 |  | 2,854 |
Substandard | Other | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 730 |  | 0 |  | 0 |
Doubtful | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 16,252 |  | 2,201 |  | 5,111 |
Doubtful | Construction and Land Development | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 940 |  | 17 |  | 133 |
Doubtful | Commercial Mortgage | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 12,078 |  | 1,164 |  | 4,307 |
Doubtful | Other Commercial Real Estate | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 98 |  | 377 |  | 401 |
Doubtful | Commercial and Industrial | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 2,553 |  | 643 |  | 270 |
Doubtful | Lease Financing | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 583 |  | 0 |  | 0 |
Doubtful | Other | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 0 |  | 0 |  | 0 |
Ungraded | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 130,817 |  | 147,711 |  | 148,452 |
Ungraded | Construction and Land Development | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 324 |  | 638 |  | 0 |
Ungraded | Commercial Mortgage | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 2,463 |  | 4,949 |  | 2,526 |
Ungraded | Other Commercial Real Estate | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 288 |  | 193 |  | 245 |
Ungraded | Commercial and Industrial | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 127,634 |  | 141,922 |  | 145,661 |
Ungraded | Lease Financing | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 102 |  | 0 |  | 0 |
Ungraded | Other | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 6 |  | 9 |  | 20 |
Covered Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 1,897,097 |  | 2,362,152 |  | 2,557,450 |
Covered Loans | Construction and Land Development | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 258,388 |  | 338,873 |  | 405,658 |
Covered Loans | Construction and Land Development | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 26,408 |  | 105,536 |  | 115,126 |
Covered Loans | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 1,109,048 |  | 1,260,589 |  | 1,310,083 |
Covered Loans | Other Commercial Real Estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 113,954 |  | 158,394 |  | 159,007 |
Covered Loans | Commercial and Industrial |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 59,787 |  | 113,442 |  | 137,253 |
Covered Loans | Lease Financing |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 0 |  | 57 |  | 162 |
Covered Loans | Residential Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 289,160 |  | 327,568 |  | 380,405 |
Covered Loans | Revolving Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 37,280 |  | 51,552 |  | 39,709 |
Covered Loans | Consumer and Other |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 3,072 |  | 6,141 |  | 10,047 |
Covered Loans | Pass |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 688,600 |  | 743,881 |  | 879,689 |
Covered Loans | Pass | Construction and Land Development | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 25,234 |  | 29,321 |  | 43,851 |
Covered Loans | Pass | Construction and Land Development | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 1,458 |  | 4,958 |  | 7,791 |
Covered Loans | Pass | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 394,945 |  | 397,526 |  | 486,673 |
Covered Loans | Pass | Other Commercial Real Estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 37,879 |  | 49,259 |  | 48,460 |
Covered Loans | Pass | Commercial and Industrial |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 26,896 |  | 36,409 |  | 46,898 |
Covered Loans | Pass | Lease Financing |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 0 |  | 57 |  | 162 |
Covered Loans | Pass | Residential Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 172,162 |  | 189,794 |  | 226,160 |
Covered Loans | Pass | Revolving Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 28,125 |  | 34,164 |  | 15,547 |
Covered Loans | Pass | Consumer and Other |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 1,901 |  | 2,393 |  | 4,147 |
Covered Loans | Special Mention |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 432,428 |  | 550,617 |  | 551,215 |
Covered Loans | Special Mention | Construction and Land Development | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 76,849 |  | 92,758 |  | 97,960 |
Covered Loans | Special Mention | Construction and Land Development | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 1,160 |  | 13,394 |  | 23,955 |
Covered Loans | Special Mention | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 306,106 |  | 348,482 |  | 342,876 |
Covered Loans | Special Mention | Other Commercial Real Estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 17,040 |  | 33,754 |  | 24,951 |
Covered Loans | Special Mention | Commercial and Industrial |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 13,976 |  | 32,257 |  | 34,894 |
Covered Loans | Special Mention | Lease Financing |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 0 |  | 0 |  | 0 |
Covered Loans | Special Mention | Residential Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 15,169 |  | 25,464 |  | 25,686 |
Covered Loans | Special Mention | Revolving Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 1,993 |  | 3,566 |  | 316 |
Covered Loans | Special Mention | Consumer and Other |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 135 |  | 942 |  | 577 |
Covered Loans | Substandard |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 560,031 |  | 787,309 |  | 753,201 |
Covered Loans | Substandard | Construction and Land Development | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 64,741 |  | 125,158 |  | 134,126 |
Covered Loans | Substandard | Construction and Land Development | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 17,675 |  | 72,349 |  | 60,957 |
Covered Loans | Substandard | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 341,185 |  | 427,996 |  | 395,806 |
Covered Loans | Substandard | Other Commercial Real Estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 48,635 |  | 58,351 |  | 55,083 |
Covered Loans | Substandard | Commercial and Industrial |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 11,100 |  | 21,914 |  | 31,213 |
Covered Loans | Substandard | Lease Financing |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 0 |  | 0 |  | 0 |
Covered Loans | Substandard | Residential Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 69,510 |  | 70,582 |  | 68,289 |
Covered Loans | Substandard | Revolving Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 7,162 |  | 9,863 |  | 6,930 |
Covered Loans | Substandard | Consumer and Other |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 23 |  | 1,096 |  | 797 |
Covered Loans | Doubtful |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 189,165 |  | 246,308 |  | 298,874 |
Covered Loans | Doubtful | Construction and Land Development | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 88,612 |  | 87,936 |  | 125,766 |
Covered Loans | Doubtful | Construction and Land Development | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 6,115 |  | 14,835 |  | 22,422 |
Covered Loans | Doubtful | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 65,920 |  | 84,871 |  | 81,984 |
Covered Loans | Doubtful | Other Commercial Real Estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 10,400 |  | 17,030 |  | 30,513 |
Covered Loans | Doubtful | Commercial and Industrial |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 7,728 |  | 22,862 |  | 24,248 |
Covered Loans | Doubtful | Lease Financing |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 0 |  | 0 |  | 0 |
Covered Loans | Doubtful | Residential Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 10,137 |  | 13,833 |  | 11,129 |
Covered Loans | Doubtful | Revolving Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 0 |  | 3,959 |  | 1,690 |
Covered Loans | Doubtful | Consumer and Other |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 253 |  | 982 |  | 1,122 |
Covered Loans | Ungraded |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 26,873 |  | 34,037 |  | 74,471 |
Covered Loans | Ungraded | Construction and Land Development | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 2,952 |  | 3,700 |  | 3,955 |
Covered Loans | Ungraded | Construction and Land Development | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 0 |  | 0 |  | 1 |
Covered Loans | Ungraded | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 892 |  | 1,714 |  | 2,744 |
Covered Loans | Ungraded | Other Commercial Real Estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 0 |  | 0 |  | 0 |
Covered Loans | Ungraded | Commercial and Industrial |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 87 |  | 0 |  | 0 |
Covered Loans | Ungraded | Lease Financing |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 0 |  | 0 |  | 0 |
Covered Loans | Ungraded | Residential Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 22,182 |  | 27,895 |  | 49,141 |
Covered Loans | Ungraded | Revolving Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 0 |  | 0 |  | 15,226 |
Covered Loans | Ungraded | Consumer and Other |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Covered under loss share agreements | 760 |  | 728 |  | 3,404 |
Noncovered Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 11,455,233 |  | 11,581,637 |  | 11,603,526 |
Noncovered Loans | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 3,610,661 |  | 3,715,065 |  | 3,785,831 |
Noncovered Loans | Construction and Land Development | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 319,743 |  | 381,163 |  | 416,719 |
Noncovered Loans | Construction and Land Development | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 132,352 |  | 137,271 |  | 139,185 |
Noncovered Loans | Commercial Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 5,171,964 |  | 5,104,993 |  | 4,996,036 |
Noncovered Loans | Other Commercial Real Estate |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 158,767 |  | 144,771 |  | 144,538 |
Noncovered Loans | Commercial and Industrial |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 1,740,435 |  | 1,764,407 |  | 1,797,581 |
Noncovered Loans | Lease Financing |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 321,908 |  | 312,869 |  | 304,039 |
Noncovered Loans | Other |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 131,755 |  | 158,369 |  | 158,782 |
Noncovered Loans | Residential Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 814,877 |  | 784,118 |  | 816,738 |
Noncovered Loans | Residential Mortgage | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 814,877 |  | 784,118 |  | 816,738 |
Noncovered Loans | Revolving Mortgage |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 2,244,459 |  | 2,296,306 |  | 2,302,482 |
Noncovered Loans | Revolving Mortgage | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 2,244,459 |  | 2,296,306 |  | 2,302,482 |
Noncovered Loans | Consumer |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 418,973 |  | 497,370 |  | 527,426 |
Noncovered Loans | Consumer | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 418,973 |  | 497,370 |  | 527,426 |
Noncovered Loans | Current | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 3,547,154 |  | 3,670,540 |  | 3,743,690 |
Noncovered Loans | Current | Construction and Land Development | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 128,557 |  | 135,774 |  | 134,467 |
Noncovered Loans | Current | Residential Mortgage | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 780,440 |  | 757,113 |  | 795,578 |
Noncovered Loans | Current | Revolving Mortgage | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 2,223,765 |  | 2,286,511 |  | 2,291,490 |
Noncovered Loans | Current | Consumer | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 414,392 |  | 491,142 |  | 522,155 |
Noncovered Loans | 30 to 59 Days Past Due | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 34,271 |  | 19,539 |  | 12,863 |
Noncovered Loans | 30 to 59 Days Past Due | Construction and Land Development | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 2,588 |  | 798 |  | 4,204 |
Noncovered Loans | 30 to 59 Days Past Due | Residential Mortgage | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 16,281 |  | 11,790 |  | 2,303 |
Noncovered Loans | 30 to 59 Days Past Due | Revolving Mortgage | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 12,894 |  | 3,437 |  | 3,987 |
Noncovered Loans | 30 to 59 Days Past Due | Consumer | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 2,508 |  | 3,514 |  | 2,369 |
Noncovered Loans | 60 to 89 Days Past Due | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 11,754 |  | 6,126 |  | 5,307 |
Noncovered Loans | 60 to 89 Days Past Due | Construction and Land Development | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 127 |  | 127 |  | 0 |
Noncovered Loans | 60 to 89 Days Past Due | Residential Mortgage | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 6,635 |  | 2,686 |  | 3,022 |
Noncovered Loans | 60 to 89 Days Past Due | Revolving Mortgage | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 4,033 |  | 2,042 |  | 924 |
Noncovered Loans | 60 to 89 Days Past Due | Consumer | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 959 |  | 1,271 |  | 1,361 |
Noncovered Loans | 90 Days or Greater Past Due | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 17,482 |  | 18,860 |  | 23,971 |
Noncovered Loans | 90 Days or Greater Past Due | Construction and Land Development | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 1,080 |  | 572 |  | 514 |
Noncovered Loans | 90 Days or Greater Past Due | Residential Mortgage | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 11,521 |  | 12,529 |  | 15,835 |
Noncovered Loans | 90 Days or Greater Past Due | Revolving Mortgage | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | 3,767 |  | 4,316 |  | 6,081 |
Noncovered Loans | 90 Days or Greater Past Due | Consumer | Non-Commercial Loans |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Noncovered loans and leases | $ 1,114 |  | $ 1,443 |  | $ 1,541 |
[1] | Unaudited
[2] | Derived from 2011 Annual Report on Form 10-K.

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- Definition Covered Under Loss Share Agreement In Loans And Leases + References No definition available. + Details
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- Definition Reflects the aggregate gross carrying amount of all categories of loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on loans and leases. These loans are not covered under loss share agreements with the FDIC since not acquired in FDIC-assisted transaction. + References No definition available. + Details
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