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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Changes in Intangible Assets and Goodwill | The changes in intangible assets and goodwill from December 31, 2015 to December 31, 2017, were as follows:
(in thousands, except for years) |  | Amortization life in years |  | Balance at December 31, 2016 |  | Amortization |  | Other Changes |  | Currency Translation |  | Balance at December 31, 2017
Amortized intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
AEC trade names |  | 15 |  |  | $20 |  |  | ($5 | ) |  | $- |  |  | $- |  |  | $15 |
AEC technology |  | 15 |  |  | 104 |  |  | (24 | ) |  | - |  |  | - |  |  | 80 |
AEC customer contracts |  | 6 |  |  | 17,859 |  |  | (3,280 | ) |  | (961 | ) |  | - |  |  | 13,618 |
AEC customer relationships |  | 15 |  |  | 47,009 |  |  | (3,280 | ) |  | (2,211 | ) |  | - |  |  | 41,518 |
AEC other intangibles |  | 5 |  |  | 1,462 |  |  | (275 | ) |  | (977 | ) |  | - |  |  | 210 |
Total amortized intangible assets |  |  |  |  | $66,454 |  |  | ($6,864 | ) |  | ($4,149 | ) |  | $- |  |  | $55,441 |
Unamortized intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
MC Goodwill |  |  |  |  | $64,645 |  |  | $- |  |  | $- |  |  | $6,421 |  |  | $71,066 |
AEC Goodwill |  |  |  |  | 95,730 |  |  | - |  |  | - |  |  | - |  |  | 95,730 |
Total amortized intangible assets |  |  |  |  | $160,375 |  |  | $- |  |  | $- |  |  | $6,421 |  |  | $166,796 |
(in thousands, except for years) |  | Amortization life in years |  | Balance at December 31, 2015 |  | Acquisition |  | Amortization |  | Currency Translation |  | Balance at December 31, 2016
Amortized intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
AEC trade names |  | 15 |  |  | $25 |  |  | $- |  |  | ($5 | ) |  | $- |  |  | $20 |
AEC technology |  | 15 |  |  | 129 |  |  | - |  |  | (25 | ) |  | - |  |  | 104 |
AEC customer contracts |  | 6 |  |  | - |  |  | 20,420 |  |  | (2,561 | ) |  | - |  |  | 17,859 |
AEC customer relationships |  | 15 |  |  | - |  |  | 49,490 |  |  | (2,481 | ) |  | - |  |  | 47,009 |
AEC other intangibles |  | 5 |  |  | - |  |  | 1,720 |  |  | (258 | ) |  | - |  |  | 1,462 |
Total amortized intangible assets |  |  |  |  | $154 |  |  | $71,630 |  |  | ($5,330 | ) |  | $- |  |  | $66,454 |
Unamortized intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
MC Goodwill |  |  |  |  | $66,373 |  |  | $- |  |  | $- |  |  | ($1,728 | ) |  | $64,645 |
AEC Goodwill |  |  |  |  | - |  |  | 95,730 |  |  | - |  |  | - |  |  | 95,730 |
Total amortized intangible assets |  |  |  |  | $66,373 |  |  | $95,730 |  |  | $- |  |  | ($1,728 | ) |  | $160,375 |
Schedule of Estimated Amortization Expense | Estimated amortization expense of intangibles for the years ending December 31, 2018 through 2022, is as follows:
|  | Annual amortization
Year |  |  | (in thousands)
2018 |  |  | $6,232 |
2019 |  |  | 6,232 |
2020 |  |  | 6,232 |
2021 |  |  | 6,161 |
2022 |  |  | 3,955 |

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