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Loans and Leases | 3 Months Ended
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Mar. 31, 2013
Loans and Leases Receivable Disclosure [Abstract] |
Loans and Leases | Loans and Leases Loans and leases outstanding include the following as of the dates indicated:
| March 31, 2013 |  | December 31, 2012 |  | March 31, 2012
Covered loans | $ | 1,621,327 |  |  | $ | 1,809,235 |  |  | $ | 2,183,869 |
Noncovered loans and leases: |  |  |  |  |
Commercial: |  |  |  |  |
Construction and land development | 300,497 |  |  | 309,190 |  |  | 346,557 |
Commercial mortgage | 5,352,594 |  |  | 5,341,839 |  |  | 5,127,948 |
Other commercial real estate | 176,456 |  |  | 160,980 |  |  | 150,316 |
Commercial and industrial | 1,662,124 |  |  | 1,726,126 |  |  | 1,739,724 |
Lease financing | 336,329 |  |  | 330,679 |  |  | 315,704 |
Other | 194,186 |  |  | 125,681 |  |  | 149,792 |
Total commercial loans | 8,022,186 |  |  | 7,994,495 |  |  | 7,830,041 |
Noncommercial: |  |  |  |  |
Residential mortgage | 834,879 |  |  | 822,889 |  |  | 793,612 |
Revolving mortgage | 2,150,800 |  |  | 2,210,133 |  |  | 2,282,138 |
Construction and land development | 115,628 |  |  | 131,992 |  |  | 132,677 |
Consumer | 385,587 |  |  | 416,606 |  |  | 451,061 |
Total noncommercial loans | 3,486,894 |  |  | 3,581,620 |  |  | 3,659,488 |
Total noncovered loans and leases | 11,509,080 |  |  | 11,576,115 |  |  | 11,489,529 |
Total loans and leases | $ | 13,130,407 |  |  | $ | 13,385,350 |  |  | $ | 13,673,398 |
| March 31, 2013 |  | December 31, 2012 |  | March 31, 2012
| Impaired at acquisition date |  | All other covered loans |  | Total |  | Impaired at acquisition date |  | All other covered loans |  | Total |  | Impaired at acquisition date |  | All other covered loans |  | Total
Covered loans: |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Construction and land development | $ | 53,209 |  |  | $ | 151,315 |  |  | $ | 204,524 |  |  | $ | 71,225 |  |  | $ | 166,681 |  |  | $ | 237,906 |  |  | $ | 100,736 |  |  | $ | 209,865 |  |  | $ | 310,601 |
Commercial mortgage | 101,397 |  |  | 847,055 |  |  | 948,452 |  |  | 107,281 |  |  | 947,192 |  |  | 1,054,473 |  |  | 122,876 |  |  | 1,072,665 |  |  | 1,195,541 |
Other commercial real estate | 30,191 |  |  | 63,041 |  |  | 93,232 |  |  | 35,369 |  |  | 71,750 |  |  | 107,119 |  |  | 31,727 |  |  | 113,251 |  |  | 144,978 |
Commercial and industrial | 6,149 |  |  | 39,544 |  |  | 45,693 |  |  | 3,932 |  |  | 45,531 |  |  | 49,463 |  |  | 17,397 |  |  | 75,864 |  |  | 93,261 |
Lease financing | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 45 |  |  | 45 |
Other | — |  |  | 1,042 |  |  | 1,042 |  |  | — |  |  | 1,074 |  |  | 1,074 |  |  | — |  |  | 1,283 |  |  | 1,283 |
Total commercial loans | 190,946 |  |  | 1,101,997 |  |  | 1,292,943 |  |  | 217,807 |  |  | 1,232,228 |  |  | 1,450,035 |  |  | 272,736 |  |  | 1,472,973 |  |  | 1,745,709 |
Noncommercial: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Residential mortgage | 43,924 |  |  | 235,073 |  |  | 278,997 |  |  | 48,077 |  |  | 249,849 |  |  | 297,926 |  |  | 46,905 |  |  | 251,633 |  |  | 298,538 |
Revolving mortgage | 9,788 |  |  | 27,351 |  |  | 37,139 |  |  | 9,606 |  |  | 29,104 |  |  | 38,710 |  |  | 14,125 |  |  | 35,891 |  |  | 50,016 |
Construction and land development | 10,609 |  |  | 415 |  |  | 11,024 |  |  | 15,136 |  |  | 5,657 |  |  | 20,793 |  |  | 56,722 |  |  | 28,833 |  |  | 85,555 |
Consumer | — |  |  | 1,224 |  |  | 1,224 |  |  | — |  |  | 1,771 |  |  | 1,771 |  |  | 1,453 |  |  | 2,598 |  |  | 4,051 |
Total noncommercial loans | 64,321 |  |  | 264,063 |  |  | 328,384 |  |  | 72,819 |  |  | 286,381 |  |  | 359,200 |  |  | 119,205 |  |  | 318,955 |  |  | 438,160 |
Total covered loans | $ | 255,267 |  |  | $ | 1,366,060 |  |  | $ | 1,621,327 |  |  | $ | 290,626 |  |  | $ | 1,518,609 |  |  | $ | 1,809,235 |  |  | $ | 391,941 |  |  | $ | 1,791,928 |  |  | $ | 2,183,869 |
At March 31, 2013, $2,522,055 in noncovered loans were pledged to secure debt obligations, compared to $2,570,773 at December 31, 2012, and $2,398,476 at March 31, 2012. Credit quality indicators Loans and leases are monitored for credit quality on a recurring basis. The credit quality indicators used are dependent on the portfolio segment to which the loan relates. Commercial loans and leases, noncommercial loans and leases, and covered loans have different credit quality indicators as a result of the methods used to monitor each of these loan segments. The credit quality indicators for commercial loans and leases and all covered loans and leases are developed through review of individual borrowers on an ongoing basis. Each borrower is evaluated at least annually with more frequent evaluation of more severely criticized loans or leases. The indicators represent the rating for loans or leases as of the date presented based on the most recent assessment performed. These credit quality indicators are defined as follows: Pass – A pass rated asset is not adversely classified because it does not display any of the characteristics for adverse classification. Special mention – A special mention asset has potential weaknesses that deserve management’s close attention. If left uncorrected, such potential weaknesses may result in deterioration of the repayment prospects or collateral position at some future date. Special mention assets are not adversely classified and do not warrant adverse classification. Substandard – A substandard asset is inadequately protected by the current net worth and paying capacity of the borrower or of the collateral pledged, if any. Assets classified as substandard generally have a well-defined weakness, or weaknesses, that jeopardize the liquidation of the debt. These assets are characterized by the distinct possibility of loss if the deficiencies are not corrected. Doubtful – An asset classified as doubtful has all the weaknesses inherent in an asset classified substandard with the added characteristic that the weaknesses make collection or liquidation in full highly questionable and improbable on the basis of currently existing facts, conditions and values. Loss – Assets classified as loss are considered uncollectible and of such little value that it is inappropriate to be carried as an asset. This classification is not necessarily equivalent to no potential for recovery or salvage value, but rather that it is not appropriate to defer a full write-off even though partial recovery may be effected in the future. Ungraded – Ungraded loans represent loans that are not included in the individual credit grading process due to their relatively small balances or borrower type. The majority of noncovered, ungraded loans at March 31, 2013, relate to business credit cards and tobacco buyout loans classified as commercial and industrial loans. Business credit card loans with an outstanding balance of $78,041 at March 31, 2013, are subject to automatic charge off when they become 120 days past due in the same manner as unsecured consumer lines of credit. Tobacco buyout loans with an outstanding balance of $21,304 at March 31, 2013, are secured by assignments of receivables made pursuant to the Fair and Equitable Tobacco Reform Act of 2004. The credit risk associated with these loans is considered low as the payments that began in 2005 and continue through 2014 are made by the Commodity Credit Corporation, which is part of the United States Department of Agriculture. The credit quality indicators for noncovered, noncommercial loans are based on the delinquency status of the borrower. As the borrower becomes more delinquent, the likelihood of loss increases. The composition of the loans and leases outstanding at March 31, 2013, December 31, 2012, and March 31, 2012, by credit quality indicator is provided below:
| Commercial noncovered loans and leases
Grade: | Construction and land development |  | Commercial mortgage |  | Other commercial real estate |  | Commercial and industrial |  | Lease financing |  | Other |  | Total commercial noncovered loans and leases
March 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 274,917 |  |  | $ | 5,050,073 |  |  | $ | 168,885 |  |  | $ | 1,519,890 |  |  | $ | 332,790 |  |  | $ | 192,489 |  |  | $ | 7,539,044 |
Special mention | 13,878 |  |  | 149,904 |  |  | 1,771 |  |  | 15,121 |  |  | 1,084 |  |  | 1,391 |  |  | 183,149 |
Substandard | 11,501 |  |  | 139,262 |  |  | 5,158 |  |  | 24,176 |  |  | 1,689 |  |  | 17 |  |  | 181,803 |
Doubtful | 73 |  |  | 9,600 |  |  | 98 |  |  | 1,252 |  |  | 728 |  |  | — |  |  | 11,751 |
Ungraded | 128 |  |  | 3,755 |  |  | 544 |  |  | 101,685 |  |  | 38 |  |  | 289 |  |  | 106,439 |
Total | $ | 300,497 |  |  | $ | 5,352,594 |  |  | $ | 176,456 |  |  | $ | 1,662,124 |  |  | $ | 336,329 |  |  | $ | 194,186 |  |  | $ | 8,022,186 |
December 31, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 274,480 |  |  | $ | 5,018,677 |  |  | $ | 151,549 |  |  | $ | 1,564,862 |  |  | $ | 325,626 |  |  | $ | 124,083 |  |  | $ | 7,459,277 |
Special mention | 14,666 |  |  | 161,789 |  |  | 2,812 |  |  | 18,368 |  |  | 1,601 |  |  | 837 |  |  | 200,073 |
Substandard | 18,761 |  |  | 145,980 |  |  | 5,038 |  |  | 24,059 |  |  | 1,663 |  |  | 756 |  |  | 196,257 |
Doubtful | 952 |  |  | 12,822 |  |  | 98 |  |  | 1,693 |  |  | 771 |  |  | — |  |  | 16,336 |
Ungraded | 331 |  |  | 2,571 |  |  | 1,483 |  |  | 117,144 |  |  | 1,018 |  |  | 5 |  |  | 122,552 |
Total | $ | 309,190 |  |  | $ | 5,341,839 |  |  | $ | 160,980 |  |  | $ | 1,726,126 |  |  | $ | 330,679 |  |  | $ | 125,681 |  |  | $ | 7,994,495 |
March 31, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 303,018 |  |  | $ | 4,744,063 |  |  | $ | 136,776 |  |  | $ | 1,554,112 |  |  | $ | 309,681 |  |  | $ | 147,767 |  |  | $ | 7,195,417 |
Special mention | 20,097 |  |  | 243,495 |  |  | 6,805 |  |  | 35,497 |  |  | 3,336 |  |  | 2,018 |  |  | 311,248 |
Substandard | 21,297 |  |  | 130,815 |  |  | 6,068 |  |  | 27,057 |  |  | 2,453 |  |  | — |  |  | 187,690 |
Doubtful | 1,821 |  |  | 6,588 |  |  | 365 |  |  | 1,676 |  |  | — |  |  | — |  |  | 10,450 |
Ungraded | 324 |  |  | 2,987 |  |  | 302 |  |  | 121,382 |  |  | 234 |  |  | 7 |  |  | 125,236 |
Total | $ | 346,557 |  |  | $ | 5,127,948 |  |  | $ | 150,316 |  |  | $ | 1,739,724 |  |  | $ | 315,704 |  |  | $ | 149,792 |  |  | $ | 7,830,041 |
| Noncommercial noncovered loans and leases
| Residential mortgage |  | Revolving mortgage |  | Construction and land development |  | Consumer |  | Total noncommercial noncovered loans
March 31, 2013 |  |  |  |  |  |  |  |  |
Current | $ | 802,439 |  |  | $ | 2,130,189 |  |  | $ | 114,077 |  |  | $ | 381,769 |  |  | $ | 3,428,474 |
30-59 days past due | 19,663 |  |  | 14,022 |  |  | 217 |  |  | 1,815 |  |  | 35,717 |
60-89 days past due | 789 |  |  | 2,998 |  |  | 63 |  |  | 968 |  |  | 4,818 |
90 days or greater past due | 11,988 |  |  | 3,591 |  |  | 1,271 |  |  | 1,035 |  |  | 17,885 |
Total | $ | 834,879 |  |  | $ | 2,150,800 |  |  | $ | 115,628 |  |  | $ | 385,587 |  |  | $ | 3,486,894 |
December 31, 2012 |  |  |  |  |  |  |  |  |
Current | $ | 786,626 |  |  | $ | 2,190,186 |  |  | $ | 128,764 |  |  | 409,218 |  |  | $ | 3,514,794 |
30-59 days past due | 15,711 |  |  | 12,868 |  |  | 1,941 |  |  | 4,405 |  |  | 34,925 |
60-89 days past due | 7,559 |  |  | 3,200 |  |  | 490 |  |  | 1,705 |  |  | 12,954 |
90 days or greater past due | 12,993 |  |  | 3,879 |  |  | 797 |  |  | 1,278 |  |  | 18,947 |
Total | $ | 822,889 |  |  | $ | 2,210,133 |  |  | $ | 131,992 |  |  | $ | 416,606 |  |  | $ | 3,581,620 |
March 31, 2012 |  |  |  |  |  |  |  |  |
Current | $ | 763,411 |  |  | $ | 2,274,091 |  |  | $ | 130,561 |  |  | $ | 446,421 |  |  | $ | 3,614,484 |
30-59 days past due | 14,001 |  |  | 2,349 |  |  | 808 |  |  | 1,885 |  |  | 19,043 |
60-89 days past due | 2,812 |  |  | 1,212 |  |  | 446 |  |  | 1,028 |  |  | 5,498 |
90 days or greater past due | 13,388 |  |  | 4,486 |  |  | 862 |  |  | 1,727 |  |  | 20,463 |
Total | $ | 793,612 |  |  | $ | 2,282,138 |  |  | $ | 132,677 |  |  | $ | 451,061 |  |  | $ | 3,659,488 |
| Covered loans
Grade: | Construction and land development - commercial |  | Commercial mortgage |  | Other commercial real estate |  | Commercial and industrial |  | Lease financing |  | Residential mortgage |  | Revolving mortgage |  | Construction and land development noncommercial |  | Consumer and other |  | Total covered loans
March 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 11,396 |  |  | $ | 343,535 |  |  | $ | 31,031 |  |  | $ | 17,131 |  |  | $ | — |  |  | $ | 163,937 |  |  | $ | 27,657 |  |  | $ | 262 |  |  | $ | 1,492 |  |  | $ | 596,441 |
Special mention | 25,886 |  |  | 233,026 |  |  | 12,832 |  |  | 10,822 |  |  | — |  |  | 14,687 |  |  | 1,926 |  |  | — |  |  | 30 |  |  | 299,209 |
Substandard | 94,938 |  |  | 298,647 |  |  | 37,862 |  |  | 12,060 |  |  | — |  |  | 75,082 |  |  | 7,556 |  |  | 9,326 |  |  | 240 |  |  | 535,711 |
Doubtful | 69,782 |  |  | 72,572 |  |  | 11,507 |  |  | 5,366 |  |  | — |  |  | 3,255 |  |  | — |  |  | 1,436 |  |  | — |  |  | 163,918 |
Ungraded | 2,522 |  |  | 672 |  |  | — |  |  | 314 |  |  | — |  |  | 22,036 |  |  | — |  |  | — |  |  | 504 |  |  | 26,048 |
Total | $ | 204,524 |  |  | $ | 948,452 |  |  | $ | 93,232 |  |  | $ | 45,693 |  |  | $ | — |  |  | $ | 278,997 |  |  | $ | 37,139 |  |  | $ | 11,024 |  |  | $ | 2,266 |  |  | $ | 1,621,327 |
December 31, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 17,010 |  |  | $ | 376,974 |  |  | $ | 33,570 |  |  | $ | 19,451 |  |  | $ | — |  |  | $ | 172,165 |  |  | $ | 29,540 |  |  | $ | 334 |  |  | $ | 1,617 |  |  | $ | 650,661 |
Special mention | 25,734 |  |  | 259,264 |  |  | 17,518 |  |  | 12,465 |  |  | — |  |  | 14,863 |  |  | 1,736 |  |  | — |  |  | 34 |  |  | 331,614 |
Substandard | 105,061 |  |  | 344,542 |  |  | 44,335 |  |  | 14,698 |  |  | — |  |  | 83,193 |  |  | 7,434 |  |  | 17,190 |  |  | 239 |  |  | 616,692 |
Doubtful | 87,445 |  |  | 73,016 |  |  | 11,696 |  |  | 2,757 |  |  | — |  |  | 4,268 |  |  | — |  |  | 3,269 |  |  | 117 |  |  | 182,568 |
Ungraded | 2,656 |  |  | 677 |  |  | — |  |  | 92 |  |  | — |  |  | 23,437 |  |  | — |  |  | — |  |  | 838 |  |  | 27,700 |
Total | $ | 237,906 |  |  | $ | 1,054,473 |  |  | $ | 107,119 |  |  | $ | 49,463 |  |  | $ | — |  |  | $ | 297,926 |  |  | $ | 38,710 |  |  | $ | 20,793 |  |  | $ | 2,845 |  |  | $ | 1,809,235 |
March 31, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Pass | $ | 31,445 |  |  | $ | 392,233 |  |  | $ | 56,689 |  |  | $ | 31,768 |  |  | $ | 45 |  |  | $ | 173,640 |  |  | $ | 35,684 |  |  | $ | 7,020 |  |  | $ | 2,478 |  |  | $ | 731,002 |
Special mention | 89,243 |  |  | 335,020 |  |  | 26,736 |  |  | 21,376 |  |  | — |  |  | 18,054 |  |  | 802 |  |  | 14,263 |  |  | 546 |  |  | 506,040 |
Substandard | 86,750 |  |  | 382,134 |  |  | 51,918 |  |  | 24,905 |  |  | — |  |  | 70,545 |  |  | 11,153 |  |  | 53,919 |  |  | 1,082 |  |  | 682,406 |
Doubtful | 99,747 |  |  | 85,993 |  |  | 9,635 |  |  | 15,212 |  |  | — |  |  | 9,934 |  |  | 2,377 |  |  | 10,353 |  |  | 816 |  |  | 234,067 |
Ungraded | 3,416 |  |  | 161 |  |  | — |  |  | — |  |  | — |  |  | 26,365 |  |  | — |  |  | — |  |  | 412 |  |  | 30,354 |
Total | $ | 310,601 |  |  | $ | 1,195,541 |  |  | $ | 144,978 |  |  | $ | 93,261 |  |  | $ | 45 |  |  | $ | 298,538 |  |  | $ | 50,016 |  |  | $ | 85,555 |  |  | $ | 5,334 |  |  | $ | 2,183,869 |
The aging of the outstanding loans and leases, by class, at March 31, 2013, December 31, 2012, and March 31, 2012, (excluding loans and leases acquired with deteriorated credit quality) is provided in the table below. The calculation of days past due begins on the day after payment is due and includes all days through which all required interest or principal has not been paid. Loans and leases 30 days or less past due are considered current due to various grace periods that allow borrowers to make payments within a stated period after the due date and still remain in compliance with the loan agreement.
| 30-59 days past due |  | 60-89 days past due |  | 90 days or greater |  | Total past due |  | Current |  | Total loans and leases
March 31, 2013 |  |  |  |  |  |  |  |  |  |  |
Noncovered loans and leases: |  |  |  |  |  |  |  |  |  |  |
Construction and land development - commercial | $ | 782 |  |  | $ | 7,943 |  |  | $ | 1,082 |  |  | $ | 9,807 |  |  | $ | 290,690 |  |  | $ | 300,497 |
Commercial mortgage | 19,321 |  |  | 5,873 |  |  | 17,300 |  |  | 42,494 |  |  | 5,310,100 |  |  | 5,352,594 |
Other commercial real estate | 346 |  |  | 503 |  |  | 1,282 |  |  | 2,131 |  |  | 174,325 |  |  | 176,456 |
Commercial and industrial | 7,895 |  |  | 1,878 |  |  | 2,406 |  |  | 12,179 |  |  | 1,649,945 |  |  | 1,662,124 |
Lease financing | 635 |  |  | 230 |  |  | 621 |  |  | 1,486 |  |  | 334,843 |  |  | 336,329 |
Other | 42 |  |  | — |  |  | — |  |  | 42 |  |  | 194,144 |  |  | 194,186 |
Residential mortgage | 19,663 |  |  | 789 |  |  | 11,988 |  |  | 32,440 |  |  | 802,439 |  |  | 834,879 |
Revolving mortgage | 14,022 |  |  | 2,998 |  |  | 3,591 |  |  | 20,611 |  |  | 2,130,189 |  |  | 2,150,800 |
Construction and land development - noncommercial | 217 |  |  | 63 |  |  | 1,271 |  |  | 1,551 |  |  | 114,077 |  |  | 115,628 |
Consumer | 1,815 |  |  | 968 |  |  | 1,035 |  |  | 3,818 |  |  | 381,769 |  |  | 385,587 |
Total noncovered loans and leases | $ | 64,738 |  |  | $ | 21,245 |  |  | $ | 40,576 |  |  | $ | 126,559 |  |  | $ | 11,382,521 |  |  | $ | 11,509,080 |
December 31, 2012 |  |  |  |  |  |  |  |  |  |  |
Noncovered loans and leases: |  |  |  |  |  |  |  |  |  |  |
Construction and land development - commercial | $ | 927 |  |  | $ | — |  |  | $ | 7,878 |  |  | $ | 8,805 |  |  | $ | 300,385 |  |  | $ | 309,190 |
Commercial mortgage | 21,075 |  |  | 3,987 |  |  | 20,318 |  |  | 45,380 |  |  | 5,296,459 |  |  | 5,341,839 |
Other commercial real estate | 387 |  |  | 1,240 |  |  | 1,034 |  |  | 2,661 |  |  | 158,319 |  |  | 160,980 |
Commercial and industrial | 6,205 |  |  | 1,288 |  |  | 1,614 |  |  | 9,107 |  |  | 1,717,019 |  |  | 1,726,126 |
Lease financing | 991 |  |  | 138 |  |  | 621 |  |  | 1,750 |  |  | 328,929 |  |  | 330,679 |
Other | 18 |  |  | 13 |  |  | — |  |  | 31 |  |  | 125,650 |  |  | 125,681 |
Residential mortgage | 15,711 |  |  | 7,559 |  |  | 12,993 |  |  | 36,263 |  |  | 786,626 |  |  | 822,889 |
Revolving mortgage | 12,868 |  |  | 3,200 |  |  | 3,879 |  |  | 19,947 |  |  | 2,190,186 |  |  | 2,210,133 |
Construction and land development - noncommercial | 1,941 |  |  | 490 |  |  | 797 |  |  | 3,228 |  |  | 128,764 |  |  | 131,992 |
Consumer | 4,405 |  |  | 1,705 |  |  | 1,278 |  |  | 7,388 |  |  | 409,218 |  |  | 416,606 |
Total noncovered loans and leases | $ | 64,528 |  |  | $ | 19,620 |  |  | $ | 50,412 |  |  | $ | 134,560 |  |  | $ | 11,441,555 |  |  | $ | 11,576,115 |
March 31, 2012 |  |  |  |  |  |  |  |  |  |  |
Noncovered loans and leases: |  |  |  |  |  |  |  |  |  |  |
Construction and land development - commercial | $ | 2,030 |  |  | $ | 1,366 |  |  | $ | 3,288 |  |  | $ | 6,684 |  |  | $ | 339,873 |  |  | $ | 346,557 |
Commercial mortgage | 27,947 |  |  | 6,548 |  |  | 13,939 |  |  | 48,434 |  |  | 5,079,514 |  |  | 5,127,948 |
Other commercial real estate | 787 |  |  | 43 |  |  | 193 |  |  | 1,023 |  |  | 149,293 |  |  | 150,316 |
Commercial and industrial | 5,522 |  |  | 1,006 |  |  | 1,754 |  |  | 8,282 |  |  | 1,731,442 |  |  | 1,739,724 |
Lease financing | 824 |  |  | 99 |  |  | 1,269 |  |  | 2,192 |  |  | 313,512 |  |  | 315,704 |
Other | — |  |  | — |  |  | — |  |  | — |  |  | 149,792 |  |  | 149,792 |
Residential mortgage | 14,001 |  |  | 2,812 |  |  | 13,388 |  |  | 30,201 |  |  | 763,411 |  |  | 793,612 |
Revolving mortgage | 2,349 |  |  | 1,212 |  |  | 4,486 |  |  | 8,047 |  |  | 2,274,091 |  |  | 2,282,138 |
Construction and land development - noncommercial | 808 |  |  | 446 |  |  | 862 |  |  | 2,116 |  |  | 130,561 |  |  | 132,677 |
Consumer | 1,885 |  |  | 1,028 |  |  | 1,727 |  |  | 4,640 |  |  | 446,421 |  |  | 451,061 |
Total noncovered loans and leases | $ | 56,153 |  |  | $ | 14,560 |  |  | $ | 40,906 |  |  | $ | 111,619 |  |  | $ | 11,377,910 |  |  | $ | 11,489,529 |
The recorded investment, by class, in loans and leases on nonaccrual status, and loans and leases greater than 90 days past due and still accruing at March 31, 2013, December 31, 2012, and March 31, 2012, (excluding loans and leases acquired with deteriorated credit quality) are as follows:
| March 31, 2013 |  | December 31, 2012 |  | March 31, 2012
| Nonaccrual loans and leases |  | Loans and leases > 90 days and accruing |  | Nonaccrual loans and leases |  | Loans and leases > 90 days and accruing |  | Nonaccrual loans and leases |  | Loans and leases > 90 days and accruing
Noncovered loans and leases: |  |  |  |  |  |  |  |  |  |  |
Construction and land development - commercial | $ | 8,506 |  |  | $ | 158 |  |  | $ | 14,930 |  |  | $ | 541 |  |  | $ | 11,995 |  |  | $ | 182 |
Commercial mortgage | 46,722 |  |  | 3,565 |  |  | 48,869 |  |  | 1,671 |  |  | 31,222 |  |  | 1,180 |
Commercial and industrial | 10,419 |  |  | 1,154 |  |  | 8,635 |  |  | 466 |  |  | 8,148 |  |  | 599 |
Lease financing | 1,182 |  |  | 3 |  |  | 1,075 |  |  | — |  |  | 146 |  |  | 1,268 |
Other commercial real estate | 2,361 |  |  | — |  |  | 2,319 |  |  | — |  |  | 783 |  |  | — |
Construction and land development - noncommercial | 848 |  |  | 423 |  |  | 668 |  |  | 111 |  |  | — |  |  | 862 |
Residential mortgage | 12,509 |  |  | 2,380 |  |  | 12,603 |  |  | 3,337 |  |  | 14,069 |  |  | 3,542 |
Revolving mortgage | — |  |  | 3,589 |  |  | — |  |  | 3,877 |  |  | — |  |  | 4,467 |
Consumer | 36 |  |  | 1,029 |  |  | 746 |  |  | 1,269 |  |  | — |  |  | 1,728 |
Total noncovered loans and leases | $ | 82,583 |  |  | $ | 12,301 |  |  | $ | 89,845 |  |  | $ | 11,272 |  |  | $ | 66,363 |  |  | $ | 13,828 |
Acquired Loans The following table provides changes in the carrying value of acquired loans impaired at acquisition date and all other acquired loans during the three months ended March 31, 2013, and 2012:
| 2013 |  | 2012
| Impaired at acquisition date |  | All other acquired loans |  | Impaired as acquisition date |  | All other acquired loans
Balance, January 1 | $ | 290,626 |  |  | $ | 1,518,609 |  |  | $ | 458,305 |  |  | $ | 1,903,847 |
Reductions for repayments, foreclosures and changes in carrying value, net of accretion | (35,359 | ) |  | (152,549 | ) |  | (66,364 | ) |  | (111,919 | )
Balance, March 31 | $ | 255,267 |  |  | $ | 1,366,060 |  |  | $ | 391,941 |  |  | $ | 1,791,928 |
Outstanding principal balance at March 31 | $ | 858,645 |  |  | $ | 1,838,709 |  |  | $ | 1,222,862 |  |  | $ | 2,395,860 |
The carrying value of loans on the cost recovery method was $43,882 at March 31, 2013, $74,479 at December 31, 2012, and $171,951 at March 31, 2012. Prior to the third quarter of 2012, the cost recovery method was being applied to nonperforming loans acquired from four of the six FDIC-assisted transactions. During the third and fourth quarters of 2012, those loans were installed on an automated acquired loan accounting system that estimated cash flows for all loans. Based on these improved cash flow estimates, loans that were previously accounted for under the cost recovery method began to accrete yield. The cost recovery method continues to be applied to loans when the timing of the cash flows is no longer reasonably estimable due to subsequent nonperformance by the borrower or uncertainty in the ultimate disposition of the asset. For acquired loans, improved cash flow estimates and receipt of unscheduled loan payments result in the reclassification of nonaccretable difference to accretable yield. During the third and fourth quarters of 2012, the improved ability to estimate cash flows due to expanded use of an acquired loan accounting system also contributed to significant increases in accretable yield. Accretable yield resulting from the improved ability to estimate future cash flows generally does not represent amounts previously identified as nonaccretable difference. The following table documents changes to the amount of accretable yield for the first three months of 2013 and 2012. Other, net includes reclassifications from nonaccretable difference to accretable yield and changes to accretable yield attributable to revised cash flow estimates.
| 2013 |  | 2012
Balance, January 1 | $ | 539,564 |  |  | $ | 276,690 |
Accretion | (79,886 | ) |  | (64,896 | )
Disposals | (485 | ) |  | — |
Other, net | 26,742 |  |  | 73,150 |
Balance, March 31 | $ | 485,935 |  |  | $ | 284,944 |

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