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Fair Value Accounting and Measurement (Tables)
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12 Months Ended |
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Dec. 31, 2011
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| Fair Value Disclosures [Abstract] |
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| Financial Assets And Liabilities Accounted For Fair Value On Recurring Basis |
The following table sets forth the Company’s financial assets and liabilities that were accounted for at fair value on a recurring basis at December 31, 2011 and 2010 by level within the fair value hierarchy. Financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement: | | | | | | | | | | | | | | | | | | | | Fair value at December 31, 2011 | | Fair Value Measurements at Reporting Date Using | | | Level 1 | | Level 2 | | Level 3 | | | (in thousands) | Assets | | | | | | | | | Securities available for sale | | | | | | | | | U.S. government agency and sponsored enterprise mortgage-back securities and collateralized mortgage obligations | | $ | 695,954 |
| | $ | — |
| | $ | 695,954 |
| | $ | — |
| State and municipal securities | | 285,763 |
| | — |
| | 285,763 |
| | — |
| U.S. government agency and government-sponsored enterprise securities | | 43,063 |
| | — |
| | 43,063 |
| | — |
| Other securities | | 3,330 |
| | — |
| | 3,330 |
| | — |
| Total securities available for sale | | $ | 1,028,110 |
| | $ | — |
| | $ | 1,028,110 |
| | $ | — |
| Other assets (Interest rate contracts) | | $ | 16,302 |
| | $ | — |
| | $ | 16,302 |
| | $ | — |
| Liabilities | | | | | | | | | Other liabilities (Interest rate contracts) | | $ | 16,302 |
| | $ | — |
| | $ | 16,302 |
| | $ | — |
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| | | | | | | | | | | | | | | | | | | | Fair value at December 31, 2010 | | Fair Value Measurements at Reporting Date Using | | | Level 1 | | Level 2 | | Level 3 | | | (in thousands) | Assets | | | | | | | | | Securities available for sale | | | | | | | | | U.S. government agency and sponsored enterprise mortgage-back securities and collateralized mortgage obligations | | $ | 506,642 |
| | $ | — |
| | $ | 506,642 |
| | $ | — |
| State and municipal debt securities | | 253,981 |
| | — |
| | 253,981 |
| | — |
| Other securities | | 3,243 |
| | — |
| | 3,243 |
| | — |
| Total securities available for sale | | $ | 763,866 |
| | $ | — |
| | $ | 763,866 |
| | $ | — |
| Other assets (Interest rate contracts) | | $ | 10,167 |
| | $ | — |
| | $ | 10,167 |
| | $ | — |
| Liabilities | | | | | | | | | Other liabilities (Interest rate contracts) | | $ | 10,167 |
| | $ | — |
| | $ | 10,167 |
| | $ | — |
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| Financial Assets Accounted For Fair Value On Nonrecurring Basis |
The following table sets forth the Company’s assets that were measured using fair value estimates on a nonrecurring basis at December 31, 2011 and 2010: | | | | | | | | | | | | | | | | | | | | | | | | Fair value at December 31, 2011 | | Fair Value Measurements at Reporting Date Using | | Losses During the Year Ended December 31, 2011 | | | Level 1 | | Level 2 | | Level 3 | | | | (in thousands) | Impaired loans | | $ | 17,755 |
| | $ | — |
| | $ | — |
| | $ | 17,755 |
| | $ | 5,841 |
| Noncovered OREO | | 11,233 |
| | — |
| | — |
| | 11,233 |
| | 3,089 |
| Covered OREO | | 2,442 |
| | — |
| | — |
| | 2,442 |
| | 644 |
| | | $ | 31,430 |
| | $ | — |
| | $ | — |
| | $ | 31,430 |
| | $ | 9,574 |
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| | | | | | | | | | | | | | | | | | | | | | | | Fair value at December 31, 2010 | | Fair Value Measurements at Reporting Date Using | | Losses During the Year Ended December 31, 2010 | | | Level 1 | | Level 2 | | Level 3 | | | | (in thousands) | Impaired loans | | $ | 65,226 |
| | $ | — |
| | $ | — |
| | $ | 65,226 |
| | $ | 13,906 |
| Noncovered OREO | | 18,266 |
| | — |
| | — |
| | 18,266 |
| | 4,155 |
| Covered OREO | | 1,422 |
| | — |
| | — |
| | 1,422 |
| | 263 |
| | | $ | 84,914 |
| | $ | — |
| | $ | — |
| | $ | 84,914 |
| | $ | 18,324 |
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| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation |
At each reporting period, all assets and liabilities for which the fair value measurement is based on significant unobservable inputs are classified as Level 3. Activity in Level 3 assets measured at fair value on a recurring basis for the year ended December 31, 2011 is summarized in the following table: | | | | | | | | Securities available for sale - State and municipal securities | | | (in thousands) | Beginning balance, January 1, 2011 | | $ | — |
| Transfers into Level 3 (1) | | 2,950 |
| Impairment loss included in earnings | | (2,950 | ) | Ending Balance, December 31, 2011 | | $ | — |
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_____________ (1) Transfers into Level 3 were due to a municipal security that had been categorized previously at a higher level, but the inputs to the fair value calculation for the municipal security became unobservable as the security defaulted on its principal repayment and was no longer actively traded. |
| Fair Value, by Balance Sheet Grouping |
The following table summarizes carrying amounts and estimated fair values of selected financial instruments: | | | | | | | | | | | | | | | | | | | | December 31, 2011 | | December 31, 2010 | | | Carrying Amount | | Fair Value | | Carrying Amount | | Fair Value | | | (in thousands) | Assets | | | | | | | | | Cash and due from banks | | $ | 91,364 |
| | $ | 91,364 |
| | $ | 55,492 |
| | $ | 55,492 |
| Interest-earning deposits with banks | | 202,925 |
| | 202,925 |
| | 458,638 |
| | 458,638 |
| Securities available for sale | | 1,028,110 |
| | 1,028,110 |
| | 763,866 |
| | 763,866 |
| FHLB stock | | 22,215 |
| | 22,215 |
| | 17,908 |
| | 17,908 |
| Loans held for sale | | 2,148 |
| | 2,148 |
| | 754 |
| | 754 |
| Loans | | 2,827,259 |
| | 2,957,345 |
| | 2,371,822 |
| | 2,525,113 |
| FDIC loss-sharing asset | | 175,071 |
| | 71,788 |
| | 205,991 |
| | 205,991 |
| Interest rate contracts | | 16,302 |
| | 16,302 |
| | 10,167 |
| | 10,167 |
| Liabilities | | | | | | | | | Deposits | | $ | 3,815,529 |
| | $ | 3,817,013 |
| | $ | 3,327,269 |
| | $ | 3,330,616 |
| FHLB advances | | 119,009 |
| | 119,849 |
| | 119,405 |
| | 122,722 |
| Repurchase agreements | | 25,000 |
| | 26,580 |
| | 25,000 |
| | 27,251 |
| Other borrowings | | — |
| | — |
| | 642 |
| | 642 |
| Long-term subordinated debt | | — |
| | — |
| | 25,735 |
| | 20,156 |
| Interest rate contracts | | 16,302 |
| | 16,302 |
| | 10,167 |
| | 10,167 |
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