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Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2012
Intangible Assets [Abstract] |
Summary of intangible assets |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
|  | (Dollars in thousands) |
As of September 30, 2012 |  |  |  |  |  |  |  |  |  |  |  |
Core deposit intangibles |  | $ | 14,800 |  |  | $ | (6,772 | ) |  | $ | 8,028 |
Customer relationship intangibles |  |  | 5,657 |  |  |  | (1,899 | ) |  |  | 3,758 |
Mortgage servicing intangibles |  |  | 931 |  |  |  | (87 | ) |  |  | 844 |
Total |  | $ | 21,388 |  |  | $ | (8,758 | ) |  | $ | 12,630 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity, 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 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b),(d) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16373-109275 + Details
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