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Goodwill (Tables) | 9 Months Ended
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Sep. 30, 2013
Goodwill and Intangible Assets Disclosure [Abstract] |
Changes in the Carrying Value of Goodwill |
| Three Months ended |  | Nine Months ended
(Dollars in thousands) | September 30, 2013 |  | September 30, 2012 |  | September 30, 2013 |  | September 30, 2012
Net carrying value at beginning of period | $ | 119,509 |  |  | 106,100 |  |  | 106,100 |  |  | 106,100 |
Acquisitions | 10,197 |  |  | — |  |  | 23,606 |  |  | — |
Net carrying value at end of period | $ | 129,706 |  |  | 106,100 |  |  | 129,706 |  |  | 106,100 |
Net Carrying Value of Goodwill |
(Dollars in thousands) | September 30, 2013 |  | December 31, 2012 |  |  |  |
Gross carrying value | $ | 169,865 |  |  | 146,259 |  |  |  |  |
Accumulated impairment charge | (40,159 | ) |  | (40,159 | ) |  |  |  |
Net carrying value | $ | 129,706 |  |  | 106,100 |  |  |  |  |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 + Details
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