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GOODWILL AND OTHER INTANGIBLE ASSETS (Tables) | 12 Months Ended
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Dec. 31, 2018
GOODWILL AND OTHER INTANGIBLE ASSETS [Abstract] |
Changes in Carrying Value of Goodwill Classified by Segment Reporting Structure | The changes in the carrying value of goodwill classified by our segment reporting structure for the years ended December 31, 2018 and 2017 are as follows:
|  | Total |  |  | North America |  |  | Asia |  |  | Europe |
Balance at January 1, 2017: |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, gross |  | $ | 146,542 |  |  | S | 63,364 |  |  | $ | 54,508 |  |  | $ | 28,670 |
Accumulated impairment charges |  |  | (128,591 | ) |  |  | (54,474 | ) |  |  | (54,508 | ) |  |  | (19,609 | )
Goodwill, net |  |  | 17,951 |  |  |  | 8,890 |  |  |  | - |  |  |  | 9,061 |
Foreign currency translation |  |  | 2,226 |  |  |  | - |  |  |  | - |  |  |  | 2,226 |
Balance at December 31, 2017: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, gross |  |  | 148,768 |  |  |  | 63,364 |  |  |  | 54,508 |  |  |  | 30,896 |
Accumulated impairment charges |  |  | (128,591 | ) |  |  | (54,474 | ) |  |  | (54,508 | ) |  |  | (19,609 | )
Goodwill, net |  |  | 20,177 |  |  |  | 8,890 |  |  |  | - |  |  |  | 11,287 |
Goodwill allocation related to acquisition |  |  | 1,290 |  |  |  | - |  |  |  | - |  |  |  | 1,290 |
Foreign currency translation |  |  | (1,650 | ) |  |  | - |  |  |  | - |  |  |  | (1,650 | )
Balance at December 31, 2018: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill, gross |  |  | 148,408 |  |  |  | 63,364 |  |  |  | 54,508 |  |  |  | 30,536 |
Accumulated impairment charges |  |  | (128,591 | ) |  |  | (54,474 | ) |  |  | (54,508 | ) |  |  | (19,609 | )
Goodwill, net |  | $ | 19,817 |  |  | $ | 8,890 |  |  | $ | - |  |  | $ | 10,927 |
Excess of Estimated Fair Values over Carrying Value Including Goodwill | The excess of estimated fair values over carrying value, including goodwill for each of our reporting units that had goodwill as of the 2018 annual impairment test were as follows:
Reporting Unit |  | % by Which Estimated Fair Value Exceeds Carrying Value |
North America |  |  | 20.3 | %
Europe |  |  | 23.8 | %
Components of Definite and Indefinite-Lived Intangible Assets | The components of definite and indefinite-lived intangible assets are as follows:
|  | December 31, 2018 |  |  | December 31, 2017 |
|  | Gross Carrying |  |  | Accumulated |  |  | Net Carrying |  |  | Gross Carrying |  |  | Accumulated |  |  | Net Carrying |
|  | Amount |  |  | Amortization |  |  | Amount |  |  | Amount |  |  | Amortization |  |  | Amount |
Patents, licenses and technology |  | $ | 38,845 |  |  | $ | 18,281 |  |  | $ | 20,564 |  |  | $ | 39,218 |  |  | $ | 14,926 |  |  | $ | 24,292 |
Customer relationships |  |  | 44,588 |  |  |  | 14,193 |  |  |  | 30,395 |  |  |  | 44,704 |  |  |  | 11,478 |  |  |  | 33,226 |
Non-compete agreements |  |  | 2,683 |  |  |  | 2,683 |  |  |  | - |  |  |  | 2,711 |  |  |  | 2,711 |  |  |  | - |
Trademarks |  |  | 11,770 |  |  |  | 40 |  |  |  | 11,730 |  |  |  | 11,888 |  |  |  | 40 |  |  |  | 11,848 |
|  | $ | 97,886 |  |  | $ | 35,197 |  |  | $ | 62,689 |  |  | $ | 98,521 |  |  | $ | 29,155 |  |  | $ | 69,366 |
Estimated Amortization Expense for Intangible Assets | Estimated amortization expense for intangible assets for the next five years is as follows:
December 31, |  | Amortization Expense |
2019 |  | $ | 6,289 |
2020 |  |  | 6,263 |
2021 |  |  | 6,248 |
2022 |  |  | 4,877 |
2023 |  |  | 3,621 |

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