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GOODWILL AND OTHER INTANGIBLE ASSETS, Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Goodwill [Roll Forward] |  |
Goodwill, gross beginning of period | $ 148,768 | $ 146,542
Accumulated impairment charges, beginning of period | (128,591) | (128,591)
Goodwill, net beginning of period | 20,177 | 17,951
Goodwill allocation related to acquisition | 1,290 |
Foreign currency translation | (1,650) | 2,226
Goodwill, gross end of period | 148,408 | 148,768
Accumulated impairment charges, end of period | (128,591) | (128,591)
Goodwill, net end of period | 19,817 | 20,177
North America [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill, gross beginning of period | 63,364 | 63,364
Accumulated impairment charges, beginning of period | (54,474) | (54,474)
Goodwill, net beginning of period | 8,890 | 8,890
Goodwill allocation related to acquisition | 0 |
Foreign currency translation | 0 | 0
Goodwill, gross end of period | 63,364 | 63,364
Accumulated impairment charges, end of period | (54,474) | (54,474)
Goodwill, net end of period | $ 8,890 | 8,890
Reporting unit, percentage of fair value in excess of carrying amount | 20.30% |
Asia [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill, gross beginning of period | $ 54,508 | 54,508
Accumulated impairment charges, beginning of period | (54,508) | (54,508)
Goodwill, net beginning of period | 0 | 0
Goodwill allocation related to acquisition | 0 |
Foreign currency translation | 0 | 0
Goodwill, gross end of period | 54,508 | 54,508
Accumulated impairment charges, end of period | (54,508) | (54,508)
Goodwill, net end of period | 0 | 0
Europe [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill, gross beginning of period | 30,896 | 28,670
Accumulated impairment charges, beginning of period | (19,609) | (19,609)
Goodwill, net beginning of period | 11,287 | 9,061
Goodwill allocation related to acquisition | 1,290 |
Foreign currency translation | (1,650) | 2,226
Goodwill, gross end of period | 30,536 | 30,896
Accumulated impairment charges, end of period | (19,609) | (19,609)
Goodwill, net end of period | $ 10,927 | $ 11,287
Reporting unit, percentage of fair value in excess of carrying amount | 23.80% |

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