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Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2015
Comprehensive Income [Abstract] |
Schedule of accumulated other comprehensive income (loss) |
($ in thousands) |  | March 31, 2015 |  |  | December 31, 2014 |  |  | March 31, 2014 |
Unrealized gain (loss) on securities available for sale |  | $ | (442 | ) |  |  | (691 | ) |  |  | (1,718 | )
Deferred tax asset (liability) |  |  | 173 |  |  |  | 270 |  |  |  | 671 |
Net unrealized gain (loss) on securities available for sale |  |  | (269 | ) |  |  | (421 | ) |  |  | (1,047 | )
Additional pension asset (liability) |  |  | (288 | ) |  |  | (257 | ) |  |  | 5,081 |
Deferred tax asset (liability) |  |  | 112 |  |  |  | 100 |  |  |  | (1,970 | )
Net additional pension asset (liability) |  |  | (176 | ) |  |  | (157 | ) |  |  | 3,111 |
Total accumulated other comprehensive income (loss) |  | $ | (445 | ) |  |  | (578 | ) |  |  | 2,064 |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 + Details
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