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Goodwill and Other Intangibles - Finite and Indefinite-Lived Intangible Assets (Detail) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
--- | --- | --- | ---
Finite-lived intangible assets |  |  |
Gross Carrying Amount | $ 22,520 | $ 24,494 |
Accumulated Amortization | (11,232) | (10,373) |
Indefinite-lived intangible assets Goodwill | 15,821 | 17,792 | $ 13,873
Patents [Member] |  |  |
Finite-lived intangible assets |  |  |
Gross Carrying Amount | 4,815 | 4,823 |
Accumulated Amortization | (4,799) | (4,730) |
Land Use Rights [Member] |  |  |
Finite-lived intangible assets |  |  |
Gross Carrying Amount | 1,155 | 1,247 |
Accumulated Amortization | (173) | (164) |
Trademark [Member] |  |  |
Finite-lived intangible assets |  |  |
Gross Carrying Amount | 1,713 | 1,888 |
Accumulated Amortization | (899) | (814) |
Technology [Member] |  |  |
Finite-lived intangible assets |  |  |
Gross Carrying Amount | 3,021 | 3,432 |
Accumulated Amortization | (860) | (734) |
Customer Relationships [Member] |  |  |
Finite-lived intangible assets |  |  |
Gross Carrying Amount | 11,816 | 13,104 |
Accumulated Amortization | $ (4,501) | $ (3,931) |

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