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Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2012
Goodwill and Other Intangible Assets [Abstract] |
Summary of carrying basis and accumulated amortization of recognized intangible assets |
|  | 2012 |  |  | 2011 |
($ in thousands) |  | Gross Carrying |  |  | Accumulated |  |  | Gross Carrying |  |  | Accumulated |
|  | Amount |  |  | Amortization |  |  | Amount |  |  | Amortization |
Core deposits intangible |  | $ | 5,451 |  |  | $ | (4,302 | ) |  | $ | 5,451 |  |  | $ | (3,680 | )
Customer relationship intangible |  |  | 200 |  |  |  | (130 | ) |  |  | 200 |  |  |  | (122 | )
Banking intangibles |  |  | 5,651 |  |  |  | (4,432 | ) |  |  | 5,651 |  |  |  | (3,802 | )
Purchased software - banking |  |  | 978 |  |  |  | (700 | ) |  |  | 679 |  |  |  | (598 | )
Purchased software - data processing |  |  | 164 |  |  |  | (112 | ) |  |  | 162 |  |  |  | (84 | )
Purchased software |  |  | 1,142 |  |  |  | (812 | ) |  |  | 841 |  |  |  | (682 | )
Total |  | $ | 6,793 |  |  | $ | (5,244 | ) |  | $ | 6,492 |  |  | $ | (4,484 | )
Summary of estimated amortization expense |
($ in thousands) |  | 2013 |  |  | 2014 |  |  | 2015 |  |  | 2016 |  |  | 2017 |
Core deposit intangible |  | $ | 574 |  |  | $ | 372 |  |  | $ | 201 |  |  | $ | 13 |  |  | $ | 11 |
Customer relationship intangible |  |  | 7 |  |  |  | 6 |  |  |  | 6 |  |  |  | 5 |  |  |  | 5 |
Banking intangibles |  |  | 581 |  |  |  | 378 |  |  |  | 207 |  |  |  | 18 |  |  |  | 16 |
Purchased software - Banking |  |  | 89 |  |  |  | 81 |  |  |  | 62 |  |  |  | 52 |  |  |  | 9 |
Purchased software - Data Processing |  |  | 19 |  |  |  | 16 |  |  |  | 3 |  |  |  | - |  |  |  | - |
Purchased Software |  |  | 108 |  |  |  | 97 |  |  |  | 65 |  |  |  | 52 |  |  |  | 9 |
Total |  | $ | 689 |  |  | $ | 476 |  |  | $ | 272 |  |  | $ | 70 |  |  | $ | 25 |

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- Definition Tabular disclosure of the estimated aggregate amortization expense for intangible assets subject to amortization for each of the five succeeding fiscal years. + 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 (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 + Details
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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 2 -Subparagraph (a) -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 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
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