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Goodwill and Intangible Assets - Schedule of impairment charge recorded for various categories of assets (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Acquired Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets, finite-lived	$ 0	$ 347	$ 205	$ 6,117
Impairment of property, plant and equipment	0	327	710	4,530
Grand Total	0	674	915	10,647
Property, Plant and Equipment
Acquired Finite-Lived Intangible Assets [Line Items]
Impairment of property, plant and equipment	0	327	710	4,530
Technology-related intangible assets
Acquired Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets, finite-lived	0	347	205	4,878
Customer-related intangible assets
Acquired Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets, finite-lived	$ 0	$ 0	$ 0	$ 1,239

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+ References

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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-Topic 360
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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230

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-Topic 205
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