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Goodwill and Other Intangible Assets (Tables) | 6 Months Ended
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Jun. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Changes in Intangible Assets and Goodwill | The gross carrying value, accumulated amortization and net values of intangible assets and goodwill as of December 31, 2016 to June 30, 2017, were as follows:
As of June 30, 2017 (in thousands) | Weighted average amortization life in years | Gross carrying amount | Accumulated amortization | Net carrying amount
Amortized intangible assets: |  |  |  |  |  |  |  |
AEC trade names | 15 |  | $43 |  | $25 |  | $18 |
AEC technology | 15 |  | 228 |  | 136 |  | 92 |
Customer relationships | 15 |  | 49,490 |  | 4,131 |  | 45,359 |
Customer contracts | 6 |  | 20,420 |  | 4,263 |  | 16,157 |
Other intangibles | 5 |  | 1,720 |  | 430 |  | 1,290 |
Total amortized intangible assets |  |  | $71,901 |  | $8,985 |  | $62,916 |
Unamortized intangible assets: |  |  |  |  |  |  |  |
MC Goodwill |  |  | $68,598 |  | $- |  | $68,598 |
AEC Goodwill |  |  | 95,730 |  | - |  | 95,730 |
Total unamortized intangible assets: |  |  | $164,328 |  | $- |  | $164,328 |
As of December 31, 2016 (in thousands) | Weighted average amortization life in years | Gross carrying amount | Accumulated amortization | Net carrying amount
Amortized intangible assets: |  |  |  |  |  |  |  |
AEC trade names | 15 |  | $43 |  | $23 |  | $20 |
AEC technology | 15 |  | 228 |  | 124 |  | 104 |
Customer relationships | 15 |  | 49,490 |  | 2,481 |  | 47,009 |
Customer contracts | 6 |  | 20,420 |  | 2,561 |  | 17,859 |
Other intangibles | 5 |  | 1,720 |  | 258 |  | 1,462 |
Total amortized intangible assets |  |  | $71,901 |  | $5,447 |  | $66,454 |
Unamortized intangible assets: |  |  |  |  |  |  |  |
MC Goodwill |  |  | $64,645 |  | $- |  | $64,645 |
AEC Goodwill |  |  | 95,730 |  | - |  | 95,730 |
Total unamortized intangible assets: |  |  | $160,375 |  | $- |  | $160,375 |
The changes in intangible assets and goodwill from December 31, 2016 to June 30, 2017, were as follows:
(in thousands) | December 31, 2016 | Amortization | Currency Translation | June 30, 2017
Amortized intangible assets: |  |  |  |  |  |  |  |
AEC trade names | $20 |  | $(2 | ) | $- |  | $18 |
AEC technology | 104 |  | (12 | ) | - |  | 92 |
Customer relationships | 47,009 |  | (1,650 | ) | - |  | 45,359 |
Customer contracts | 17,859 |  | (1,702 | ) | - |  | 16,157 |
Other intangibles | 1,462 |  | (172 | ) | - |  | 1,290 |
Total amortized intangible assets | $66,454 |  | ($3,538 | ) | $- |  | $62,916 |
Unamortized intangible assets: |  |  |  |  |  |  |  |
MC Goodwill | $64,645 |  | $- |  | $3,953 |  | $68,598 |
AEC Goodwill | 95,730 |  | - |  | - |  | 95,730 |
Total unamortized intangible assets: | $160,375 |  | $- |  | $3,953 |  | $164,328 |
Schedule of Estimated Amortization Expense | Estimated amortization expense of intangibles for the years ending December 31, 2017 through 2021, is as follows:
| Annual amortization
Year | (in thousands)
2017 | $7,076
2018 | 7,076
2019 | 7,076
2020 | 7,076
2021 | 6,796

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