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Goodwill and Other Intangibles - Finite and Indefinite-Lived Intangible Assets (Detail) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
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Finite-lived intangible assets |  |
Gross Carrying Amount | $ 27,379 | $ 22,445
Accumulated Amortization | (14,520) | (13,987)
Indefinite-lived intangible assets Goodwill | 28,726 | 15,621
Patents [Member] |  |
Finite-lived intangible assets |  |
Gross Carrying Amount | 4,806 | 4,806
Accumulated Amortization | (4,806) | (4,788)
Land Use Rights [Member] |  |
Finite-lived intangible assets |  |
Gross Carrying Amount | 1,134 | 1,134
Accumulated Amortization | (203) | (203)
Trademarks [Member] |  |
Finite-lived intangible assets |  |
Gross Carrying Amount | 1,712 | 1,707
Accumulated Amortization | (1,297) | (1,247)
Technology [Member] |  |
Finite-lived intangible assets |  |
Gross Carrying Amount | 5,387 | 2,994
Accumulated Amortization | (1,439) | (1,334)
Customer Relationships [Member] |  |
Finite-lived intangible assets |  |
Gross Carrying Amount | 14,340 | 11,804
Accumulated Amortization | $ (6,775) | $ (6,415)

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