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Goodwill and Other Intangibles - Finite and Indefinite-Lived Intangible Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Finite-lived intangible assets
Gross Carrying Amount	$ 30,648	$ 22,445
Accumulated Amortization	(15,532)	(13,987)
Indefinite-lived intangible assets Goodwill	27,840	15,621	$ 16,544
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	1,128	1,134
Accumulated Amortization	(331)	(203)
Trademark [Member]
Finite-lived intangible assets
Gross Carrying Amount	1,718	1,707
Accumulated Amortization	(1,358)	(1,247)
Technology [Member]
Finite-lived intangible assets
Gross Carrying Amount	7,185	2,994
Accumulated Amortization	(1,708)	(1,334)
Customer Relationships [Member]
Finite-lived intangible assets
Gross Carrying Amount	15,811	11,804
Accumulated Amortization	$ (7,329)	$ (6,415)

X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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-Publisher FASB
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