XML 23 R37.htm IDEA: XBRL DOCUMENT v2.4.0.6
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.