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Investment Securities (Tables)
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6 Months Ended |
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Jun. 30, 2013
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| Investments, Debt and Equity Securities [Abstract] |
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| Amortized Cost, Unrealized Gains And Losses, And Fair Value Of Investment Securities |
The following table presents the amortized costs, unrealized gains, unrealized losses and approximate fair values of investment securities at June 30, 2013 and December 31, 2012:
June 30, 2013 (in thousands) | | | | | | | | | | | | | | | | | | Amortized | | Unrealized | | Unrealized | | Fair | | Cost | | Gains | | Losses | | Value | AVAILABLE FOR SALE: | | | | | | | | U.S. Treasury and agencies | $ | 263 |
| | $ | 23 |
| | $ | (1 | ) | | $ | 285 |
| Obligations of states and political subdivisions | 237,413 |
| | 8,226 |
| | (3,439 | ) | | 242,200 |
| Residential mortgage-backed securities and | | | | | | | | collateralized mortgage obligations | 1,844,452 |
| | 13,854 |
| | (19,278 | ) | | 1,839,028 |
| Other debt securities | 139 |
| | 99 |
| | — |
| | 238 |
| Investments in mutual funds and | | | | | | | | other equity securities | 1,959 |
| | 45 |
| | — |
| | 2,004 |
| | $ | 2,084,226 |
| | $ | 22,247 |
| | $ | (22,718 | ) | | $ | 2,083,755 |
| HELD TO MATURITY: | | | | | | | | Residential mortgage-backed securities and | | | | | | | | collateralized mortgage obligations | $ | 3,741 |
| | $ | 178 |
| | $ | (29 | ) | | $ | 3,890 |
| | $ | 3,741 |
| | $ | 178 |
| | $ | (29 | ) | | $ | 3,890 |
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December 31, 2012 (in thousands) | | | | | | | | | | | | | | | | | | Amortized | | Unrealized | | Unrealized | | Fair | | Cost | | Gains | | Losses | | Value | AVAILABLE FOR SALE: | | | | | | | | U.S. Treasury and agencies | $ | 45,503 |
| | $ | 318 |
| | $ | (1 | ) | | $ | 45,820 |
| Obligations of states and political subdivisions | 245,606 |
| | 18,119 |
| | — |
| | 263,725 |
| Residential mortgage-backed securities and | | | | | | | | collateralized mortgage obligations | 2,291,253 |
| | 28,747 |
| | (6,624 | ) | | 2,313,376 |
| Other debt securities | 143 |
| | 79 |
| | — |
| | 222 |
| Investments in mutual funds and | | | | | | | | other equity securities | 1,959 |
| | 127 |
| | — |
| | 2,086 |
| | $ | 2,584,464 |
| | $ | 47,390 |
| | $ | (6,625 | ) | | $ | 2,625,229 |
| HELD TO MATURITY: | | | | | | | | Obligations of states and political subdivisions | $ | 595 |
| | $ | 1 |
| | $ | — |
| | $ | 596 |
| Residential mortgage-backed securities and | | | | | | | | collateralized mortgage obligations | 3,946 |
| | 197 |
| | (7 | ) | | 4,136 |
| | $ | 4,541 |
| | $ | 198 |
| | $ | (7 | ) | | $ | 4,732 |
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| Schedule Of Fair Value And Unrealized Losses Of Securities |
June 30, 2013 (in thousands) | | | | | | | | | | | | | | | | | | | | | | | | | | Less than 12 Months | | 12 Months or Longer | | Total | | Fair | | Unrealized | | Fair | | Unrealized | | Fair | | Unrealized | | Value | | Losses | | Value | | Losses | | Value | | Losses | AVAILABLE FOR SALE: | |
| | |
| | |
| | |
| | |
| | |
| U.S. Treasury and agencies | $ | — |
| | $ | — |
| | $ | 45 |
| | $ | 1 |
| | $ | 45 |
| | $ | 1 |
| Obligations of states and political subdivisions | 61,350 |
| | 3,439 |
| | — |
| | — |
| | 61,350 |
| | 3,439 |
| Residential mortgage-backed securities and | | | | | | | | | | | | collateralized mortgage obligations | 648,150 |
| | 16,742 |
| | 260,972 |
| | 2,536 |
| | 909,122 |
| | 19,278 |
| Total temporarily impaired securities | $ | 709,500 |
| | $ | 20,181 |
| | $ | 261,017 |
| | $ | 2,537 |
| | $ | 970,517 |
| | $ | 22,718 |
| HELD TO MATURITY: | | | | | | | | | | | | Residential mortgage-backed securities and | | | | | | | | | | | | collateralized mortgage obligations | $ | 280 |
| | $ | 26 |
| | $ | 51 |
| | $ | 3 |
| | $ | 331 |
| | $ | 29 |
| Total temporarily impaired securities | $ | 280 |
| | $ | 26 |
| | $ | 51 |
| | $ | 3 |
| | $ | 331 |
| | $ | 29 |
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Unrealized losses on the impaired held to maturity collateralized mortgage obligations include the unrealized losses related to factors other than credit that are included in other comprehensive income. December 31, 2012 (in thousands) | | | | | | | | | | | | | | | | | | | | | | | | | | Less than 12 Months | | 12 Months or Longer | | Total | | Fair | | Unrealized | | Fair | | Unrealized | | Fair | | Unrealized | | Value | | Losses | | Value | | Losses | | Value | | Losses | AVAILABLE FOR SALE: | |
| | |
| | |
| | |
| | |
| | |
| U.S. Treasury and agencies | $ | — |
| | $ | — |
| | $ | 59 |
| | $ | 1 |
| | $ | 59 |
| | $ | 1 |
| Residential mortgage-backed securities and | | | | | | | | | | | | collateralized mortgage obligations | 780,234 |
| | 5,548 |
| | 106,096 |
| | 1,076 |
| | 886,330 |
| | 6,624 |
| Total temporarily impaired securities | $ | 780,234 |
| | $ | 5,548 |
| | $ | 106,155 |
| | $ | 1,077 |
| | $ | 886,389 |
| | $ | 6,625 |
| HELD TO MATURITY: | | | | | | | | | | | | Residential mortgage-backed securities and | | | | | | | | | | | | collateralized mortgage obligations | $ | — |
| | $ | — |
| | $ | 48 |
| | $ | 7 |
| | $ | 48 |
| | $ | 7 |
| Total temporarily impaired securities | $ | — |
| | $ | — |
| | $ | 48 |
| | $ | 7 |
| | $ | 48 |
| | $ | 7 |
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| Schedule Of Maturities Of Investment Securities |
The following table presents the maturities of investment securities at June 30, 2013: (in thousands) | | | | | | | | | | | | | | | | | | Available For Sale | | Held To Maturity | | Amortized | | Fair | | Amortized | | Fair | | Cost | | Value | | Cost | | Value | AMOUNTS MATURING IN: | | | | | | | | Three months or less | $ | 16,890 |
| | $ | 16,967 |
| | $ | — |
| | $ | — |
| Over three months through twelve months | 242,894 |
| | 244,765 |
| | — |
| | — |
| After one year through five years | 1,347,825 |
| | 1,353,712 |
| | 63 |
| | 66 |
| After five years through ten years | 382,779 |
| | 376,209 |
| | 23 |
| | 24 |
| After ten years | 91,879 |
| | 90,098 |
| | 3,655 |
| | 3,800 |
| Other investment securities | 1,959 |
| | 2,004 |
| | — |
| | — |
| | $ | 2,084,226 |
| | $ | 2,083,755 |
| | $ | 3,741 |
| | $ | 3,890 |
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| Gross Realized Gains And Losses On Sales Of Available-For-Sale Securities |
The following table presents the gross realized gains and gross realized losses on the sale of securities available for sale for the three and six months ended June 30, 2013 and 2012: (in thousands) | | | | | | | | | | | | | | | | | | Three months ended | | Three months ended | | June 30, 2013 | | June 30, 2012 | | Gains | | Losses | | Gains | | Losses | U.S. Treasury and agencies | $ | — |
| | $ | — |
| | $ | — |
| | $ | — |
| Obligations of states and political subdivisions | — |
| | 1 |
| | — |
| | — |
| Residential mortgage-backed securities and | | | | | | | | collateralized mortgage obligations | — |
| | — |
| | 1,484 |
| | 454 |
| Other debt securities | 9 |
| | — |
| | — |
| | — |
| | $ | 9 |
| | $ | 1 |
| | $ | 1,484 |
| | $ | 454 |
| | | | | | | | | (in thousands) | | | | | | | | | Six months ended | | Six months ended | | June 30, 2013 | | June 30, 2012 | | Gains | | Losses | | Gains | | Losses | U.S. Treasury and agencies | $ | — |
| | $ | — |
| | $ | 371 |
| | $ | — |
| Obligations of states and political subdivisions | 7 |
| | 1 |
| | 2 |
| | 1 |
| Residential mortgage-backed securities and | | | | | | | | collateralized mortgage obligations | — |
| | — |
| | 1,484 |
| | 683 |
| Other debt securities | 9 |
| | — |
| | 5 |
| | — |
| | $ | 16 |
| | $ | 1 |
| | $ | 1,862 |
| | $ | 684 |
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| Investment Securities Pledged To Secure Borrowings And Public Deposits |
The following table presents, as of June 30, 2013, investment securities which were pledged to secure borrowings, public deposits, and repurchase agreements as permitted or required by law: (in thousands) | | | | | | | | | | Amortized | | Fair | | Cost | | Value | To Federal Home Loan Bank to secure borrowings | $ | 28,945 |
| | $ | 29,565 |
| To state and local governments to secure public deposits | 803,949 |
| | 804,964 |
| Other securities pledged principally to secure repurchase agreements | 256,868 |
| | 254,948 |
| Total pledged securities | $ | 1,089,762 |
| | $ | 1,089,477 |
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