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Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Finite-Lived Intangible Assets | Finite-lived intangible assets represent customer relationships and consist of the following at December 31:
(in thousands) |  | 2018 |  |  | 2017 |
Cost |  | $ | 96,598 |  |  | $ | 6,300 |
Accumulated Amortization |  | (11,203 | ) |  | (5,202 | )
Carrying Value |  | $ | 85,395 |  |  | $ | 1,098 |

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