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Goodwill and intangible assets - Schedule of impairment charge recorded for various categories of assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets, finite-lived	$ 205	$ 6,117	$ 3,511
Impairment of property, plant and equipment	710	7,966	0
Grand Total	915	14,083	3,511
Property, plant and equipment
Acquired Finite-Lived Intangible Assets [Line Items]
Impairment of property, plant and equipment	710	7,966	0
Technology-related intangible assets
Acquired Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets, finite-lived	205	5,179	3,511
Customer-related intangible assets
Acquired Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets, finite-lived	$ 0	$ 938	$ 0

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- Definition

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+ References

No definition available.

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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=123570139&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
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-SubTopic 10
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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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