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Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2013
Goodwill And Intangible Assets Disclosure [Abstract] |
Summary of Amortizable Intangible Assets | The following summarizes activity of amortizable core deposit intangible assets for the years ended December 2013 and 2012:
|  | As of And For the Year Ended December 31, |
|  | 2013 |  |  | 2012 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |
|  | (Dollars in thousands) |
Amortizing intangible assets |  | $ | 31,999 |  |  |  | $ (29,738 | ) |  | $ | 31,999 |  |  | $ | (28,610 | )
Aggregate amortization expense: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
For year ended December 31, |  | $ | 1,127 |  |  |  |  |  |  | $ | 2,159 |  |  |  |  |
Estimated Amortization Expense: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
For the year ended December 31, 2014 |  | $ | 475 |  |  |  |  |  |  |  |  |  |  |  |  |
For the year ended December 31, 2015 |  |  | 437 |  |  |  |  |  |  |  |  |  |  |  |  |
For the year ended December 31, 2016 |  |  | 395 |  |  |  |  |  |  |  |  |  |  |  |  |
For the year ended December 31, 2017 |  |  | 366 |  |  |  |  |  |  |  |  |  |  |  |  |
For the year ended December 31, 2018 |  |  | 338 |  |  |  |  |  |  |  |  |  |  |  |  |
Thereafter |  |  | 250 |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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