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Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2017
Goodwill And Intangible Assets Disclosure [Abstract] |
Summary of Intangible Assets | Intangible assets consist of the following:
(dollar amounts in thousands) |  | Estimated useful life |  |  | December 31, |
|  | (In years) |  |  | 2017 |  |  | 2016 |
Trade name |  | Indefinite |  |  | $ | 5,700 |  |  | $ | 5,700 |
Customer relationships |  |  | 11 |  |  |  | 9,611 |  |  |  | 9,611 |
|  |  |  |  |  |  | 15,311 |  |  |  | 15,311 |
Less accumulated amortization |  |  |  |  |  |  | (7,587 | ) |  |  | (6,716 | )
|  |  |  |  |  | $ | 7,724 |  |  | $ | 8,595 |

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- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + 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=35741047&loc=d3e13816-109267 + Details
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