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Loans and Asset Quality Information (Details 11) (USD $) In Thousands, unless otherwise specified | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2012 | Dec. 31, 2011 | Jun. 30, 2011
Impaired loans with no related allowance - Recorded Investment | $ 62,848 | $ 79,423 | $ 81,269
Imapired loans with no related allowance - Unpaid Principal Balance | 105,944 | 124,387 |
Impaired loans with no related allowance - Average Recorded Investment | 65,247 | 86,265 |
Impaired loans with allowance - Recorded Investment | 89,883 | 61,553 |
Impaired loans with allowance - Unpaid Principal Balance | 103,937 | 69,674 |
Impaired loans with related allowance - Related Allowance | 16,209 | 10,910 | 10,746
Impaired loans with related allowance - Average Recorded Investment | 77,925 | 66,047 |
Non-covered |  |  |
Impaired loans with no related allowance - Recorded Investment | 22,235 | 35,721 | 31,514
Imapired loans with no related allowance - Unpaid Principal Balance | 30,594 | 45,809 |
Impaired loans with no related allowance - Average Recorded Investment | 24,890 | 37,235 |
Impaired loans with allowance - Recorded Investment | 72,367 | 49,565 |
Impaired loans with allowance - Unpaid Principal Balance | 84,516 | 54,004 |
Impaired loans with related allowance - Related Allowance | 11,051 | 5,804 | 6,019
Impaired loans with related allowance - Average Recorded Investment | 61,833 | 51,788 |
Non-covered | Commercial Unsecured |  |  |
Impaired loans with no related allowance - Recorded Investment |  |  |
Imapired loans with no related allowance - Unpaid Principal Balance |  |  |
Impaired loans with no related allowance - Average Recorded Investment |  |  |
Impaired loans with allowance - Recorded Investment | 211 | 452 |
Impaired loans with allowance - Unpaid Principal Balance | 612 | 454 |
Impaired loans with related allowance - Related Allowance | 40 | 59 |
Impaired loans with related allowance - Average Recorded Investment | 231 | 226 |
Non-covered | Commercial Secured |  |  |
Impaired loans with no related allowance - Recorded Investment | 69 | 295 |
Imapired loans with no related allowance - Unpaid Principal Balance | 225 | 478 |
Impaired loans with no related allowance - Average Recorded Investment | 144 | 504 |
Impaired loans with allowance - Recorded Investment | 2,158 | 1,895 |
Impaired loans with allowance - Unpaid Principal Balance | 2,436 | 1,899 |
Impaired loans with related allowance - Related Allowance | 315 | 295 |
Impaired loans with related allowance - Average Recorded Investment | 1,912 | 1,427 |
Non-covered | Secured by Inventory and Accounts Receivable |  |  |
Impaired loans with no related allowance - Recorded Investment |  | 27 |
Imapired loans with no related allowance - Unpaid Principal Balance |  | 493 |
Impaired loans with no related allowance - Average Recorded Investment | 9 | 124 |
Impaired loans with allowance - Recorded Investment | 637 | 561 |
Impaired loans with allowance - Unpaid Principal Balance | 1,112 | 571 |
Impaired loans with related allowance - Related Allowance | 143 | 156 |
Impaired loans with related allowance - Average Recorded Investment | 673 | 391 |
Non-covered | Real Estate construction, land development and other land loans |  |  |
Impaired loans with no related allowance - Recorded Investment | 6,950 | 15,105 |
Imapired loans with no related allowance - Unpaid Principal Balance | 11,676 | 20,941 |
Impaired loans with no related allowance - Average Recorded Investment | 8,992 | 17,876 |
Impaired loans with allowance - Recorded Investment | 18,156 | 10,360 |
Impaired loans with allowance - Unpaid Principal Balance | 22,302 | 12,606 |
Impaired loans with related allowance - Related Allowance | 6,093 | 2,244 |
Impaired loans with related allowance - Average Recorded Investment | 15,360 | 15,782 |
Non-covered | Real estate residential, farmland and mutli-family |  |  |
Impaired loans with no related allowance - Recorded Investment | 4,242 | 3,442 |
Imapired loans with no related allowance - Unpaid Principal Balance | 6,010 | 4,741 |
Impaired loans with no related allowance - Average Recorded Investment | 3,172 | 5,278 |
Impaired loans with allowance - Recorded Investment | 23,476 | 24,460 |
Impaired loans with allowance - Unpaid Principal Balance | 26,658 | 26,153 |
Impaired loans with related allowance - Related Allowance | 2,361 | 2,169 |
Impaired loans with related allowance - Average Recorded Investment | 24,792 | 22,487 |
Non-covered | Real estate home equity lines of credit |  |  |
Impaired loans with no related allowance - Recorded Investment |  | 46 |
Imapired loans with no related allowance - Unpaid Principal Balance |  | 300 |
Impaired loans with no related allowance - Average Recorded Investment | 15 | 79 |
Impaired loans with allowance - Recorded Investment | 3,877 | 3,115 |
Impaired loans with allowance - Unpaid Principal Balance | 4,493 | 3,141 |
Impaired loans with related allowance - Related Allowance | 453 | 117 |
Impaired loans with related allowance - Average Recorded Investment | 3,300 | 2,544 |
Non-covered | Real estate commercial |  |  |
Impaired loans with no related allowance - Recorded Investment | 10,974 | 16,794 |
Imapired loans with no related allowance - Unpaid Principal Balance | 12,683 | 18,817 |
Impaired loans with no related allowance - Average Recorded Investment | 12,554 | 13,359 |
Impaired loans with allowance - Recorded Investment | 21,089 | 5,965 |
Impaired loans with allowance - Unpaid Principal Balance | 24,102 | 6,421 |
Impaired loans with related allowance - Related Allowance | 1,309 | 283 |
Impaired loans with related allowance - Average Recorded Investment | 12,776 | 6,602 |
Non-covered | Consumer |  |  |
Impaired loans with no related allowance - Recorded Investment |  | 12 |
Imapired loans with no related allowance - Unpaid Principal Balance |  | 39 |
Impaired loans with no related allowance - Average Recorded Investment | 4 | 15 |
Impaired loans with allowance - Recorded Investment | 2,763 | 2,757 |
Impaired loans with allowance - Unpaid Principal Balance | 2,801 | 2,759 |
Impaired loans with related allowance - Related Allowance | 337 | 481 |
Impaired loans with related allowance - Average Recorded Investment | 2,789 | 2,329 |
Covered |  |  |
Impaired loans with no related allowance - Recorded Investment | 40,613 | 43,702 | 49,755
Imapired loans with no related allowance - Unpaid Principal Balance | 75,350 | 78,578 |
Impaired loans with no related allowance - Average Recorded Investment | 40,357 | 49,030 |
Impaired loans with allowance - Recorded Investment | 17,516 | 11,988 |
Impaired loans with allowance - Unpaid Principal Balance | 19,421 | 15,670 |
Impaired loans with related allowance - Related Allowance | 5,158 | 5,106 | 4,727
Impaired loans with related allowance - Average Recorded Investment | $ 16,092 | $ 14,259 |

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