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Securities Available For Sale (Tables) | 6 Months Ended
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Jun. 30, 2016
Securities Available For Sale [Abstract] |
Summary Of Securities Available For Sale |
June 30, 2016 |  |  |  | Gross |  | Gross |  |
|  | Amortized |  | Unrealized |  | Unrealized |  | Estimated
Available for Sale: |  | Cost |  | Gains |  | Losses |  | Fair Value
Mortgage-backed securities: |  |  |  |  |  |  |  |
US Government-sponsored enterprises | $ | 323,684 | $ | 9,693 | $ | 397 | $ | 332,980
US Government agency |  | 80,472 |  | 1,993 |  | 97 |  | 82,368
Private label |  | 1,128 |  | 218 |  | 19 |  | 1,327
Obligations of states and |  |  |  |  |  |  |  |
political subdivisions thereof |  | 109,898 |  | 6,108 |  | 91 |  | 115,915
Total | $ | 515,182 | $ | 18,012 | $ | 604 | $ | 532,590
December 31, 2015 |  |  |  | Gross |  | Gross |  |
|  | Amortized |  | Unrealized |  | Unrealized |  | Estimated
Available for Sale: |  | Cost |  | Gains |  | Losses |  | Fair Value
Mortgage-backed securities: |  |  |  |  |  |  |  |
US Government-sponsored enterprises | $ | 304,106 | $ | 5,042 | $ | 2,155 | $ | 306,993
US Government agency |  | 78,408 |  | 1,269 |  | 547 |  | 79,130
Private label |  | 2,713 |  | 762 |  | 11 |  | 3,464
Obligations of states and |  |  |  |  |  |  |  |
political subdivisions thereof |  | 110,952 |  | 4,758 |  | 328 |  | 115,382
Total | $ | 496,179 | $ | 11,831 | $ | 3,041 | $ | 504,969
Summary Of Maturities Distribution Of The Amortized Cost And Estimated Fair Value Of Securities Available For Sale |
|  | Amortized |  | Estimated
Securities Available for Sale |  | Cost |  | Fair Value
Due one year or less | $ | 167 | $ | 168
Due after one year through five years |  | 5,592 |  | 5,732
Due after five years through ten years |  | 13,889 |  | 14,762
Due after ten years |  | 495,534 |  | 511,928
Total | $ | 515,182 | $ | 532,590
Schedule Of OTTI Related To Historical Estimated Credit Losses On Debt Securities And Changes In Estimated Credit Losses Recognized In Pre-Tax Earnings |
|  | 2016 |  | 2015
Estimated credit losses as of March 31, | $ | 2,793 | $ | 3,413
Additions for credit losses for securities on which |  |  |  |
OTTI has been previously recognized |  | -- |  | --
Additions for credit losses for securities on which |  |  |  |
OTTI has not been previously recognized |  | -- |  | --
Reductions for securities sold or paid off during the period |  | 1,096 |  | 233
Estimated credit losses as of June 30, | $ | 1,697 | $ | 3,180
Estimated credit losses as of prior year-end, | $ | 3,180 | $ | 3,413
Additions for credit losses for securities on which |  |  |  |
OTTI has been previously recognized |  | -- |  | --
Additions for credit losses for securities on which |  |  |  |
OTTI has not been previously recognized |  | -- |  | --
Reductions for securities sold or paid off during the period |  | 1,483 |  | 233
Estimated credit losses as of June 30, | $ | 1,697 | $ | 3,180
Summary Of Fair Value Of Securities With Continuous Unrealized Losses |
|  |  | Less than 12 months |  |  | 12 months or longer |  |  | Total |  |
|  | Estimated |  |  |  |  | Estimated |  |  |  |  | Estimated |  |  |
June 30, 2016 |  | Fair | Number of |  | Unrealized |  | Fair | Number of |  | Unrealized |  | Fair | Number of |  | Unrealized
|  | Value | Investments |  | Losses |  | Value | Investments |  | Losses |  | Value | Investments |  | Losses
Description of Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
US Government- |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
sponsored enterprises | $ | 35,865 | 42 | $ | 224 | $ | 9,678 | 22 | $ | 173 | $ | 45,543 | 64 | $ | 397
US Government agency |  | 7,619 | 11 |  | 27 |  | 4,920 | 16 |  | 70 |  | 12,539 | 27 |  | 97
Private label |  | 198 | 2 |  | 10 |  | 159 | 5 |  | 9 |  | 357 | 7 |  | 19
Obligations of states and |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
political subdivisions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
thereof |  | 2,426 | 5 |  | 7 |  | 5,077 | 11 |  | 84 |  | 7,503 | 16 |  | 91
Total | $ | 46,108 | 60 | $ | 268 | $ | 19,834 | 54 | $ | 336 | $ | 65,942 | 114 | $ | 604
|  |  | Less than 12 months |  |  | 12 months or longer |  |  | Total |  |
|  | Estimated |  |  |  |  | Estimated |  |  |  |  | Estimated |  |  |
December 31, 2015 |  | Fair | Number of |  | Unrealized |  | Fair | Number of |  | Unrealized |  | Fair | Number of |  | Unrealized
|  | Value | Investments |  | Losses |  | Value | Investments |  | Losses |  | Value | Investments |  | Losses
Description of Securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
US Government- |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
sponsored enterprises | $ | 112,770 | 142 | $ | 1,342 | $ | 23,646 | 33 | $ | 813 | $ | 136,416 | 175 | $ | 2,155
US Government agency |  | 20,201 | 30 |  | 326 |  | 11,232 | 22 |  | 221 |  | 31,433 | 52 |  | 547
Private label |  | 235 | 2 |  | 2 |  | 178 | 5 |  | 9 |  | 413 | 7 |  | 11
Obligations of states and |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
political subdivisions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
thereof |  | 14,853 | 25 |  | 210 |  | 3,700 | 11 |  | 118 |  | 18,553 | 36 |  | 328
Total | $ | 148,059 | 199 | $ | 1,880 | $ | 38,756 | 71 | $ | 1,161 | $ | 186,815 | 270 | $ | 3,041
Summary Of Realized Gains And Losses And Other-Than-Temporary Impairment Losses On Securities |
|  | Proceeds |  |  |  | Other |  |
|  | from Sale of |  |  |  | Than |  |
|  | Securities |  |  |  | Temporary |  |
|  | Available |  | Realized | Realized | Impairment |  |
|  | for Sale |  | Gains | Losses | Losses |  | Net
Three months ended June 30, |  |  |  |  |  |  |  |
2016 | $ | 23,142 | $ | 1,699 | $ --- | $ --- | $ | 1,699
2015 | $ | 11,487 | $ | 587 | $ --- | $ --- | $ | 587
Six months ended June 30, |  |  |  |  |  |  |  |
2016 | $ | 44,655 | $ | 3,135 | $ --- | $ --- | $ | 3,135
2015 | $ | 20,428 | $ | 1,206 | $ --- | $ --- | $ | 1,206

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