| **Summary of Significant Accounting Plicies and Nature of Operations (Tables)**     | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
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| **Organization, Consolidation and Presentation of Financial Statements [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| Accumulated balances related to each component of other comprehensive loss          | The accumulated balances related to each component of other comprehensive loss are as follows: (dollars in thousands) December 31, 2012 December 31, 2011  Pretax After-tax Pretax After-taxNet unrealized securities gains/(losses) $6,032 $3,650 $470 $284Pension, other postretirement and postemployment benefit plan adjustments (6,566) (3,973) (7,027) (4,253)Accumulated other comprehensive loss $(534) $(323) $(6,557) $(3,969) |

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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=20435746&loc=SL7669686-108580
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