Basis of presentation and accounting policies.

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- Definition

Expected period of costs to be realized to recognize assets.

+ References

No definition available.

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- Definition

Medical business segment amount acquired.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054

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- Definition

Portion of equity (net assets) in a variable interest entity (VIE) not attributable, directly or indirectly, to the parent entity. That is, this is the portion of equity in a VIE that is attributable to the noncontrolling interest (previously referred to as minority interest).

+ References

No definition available.

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8672-108599

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Overview - Additional Information (Detail) $ in Thousands		9 Months Ended
Overview - Additional Information (Detail) $ in Thousands	Jul. 01, 2021 USD ($)	Sep. 30, 2021 USD ($) Segment	Jul. 22, 2021 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
Basis Of Presentation And Accounting Policies [Line Items]
Investment amount				$ 5,200
Expected period of costs to be realized to recognize assets		1 year
Capitalized costs to obtain contract		$ 1,996			$ 1,805
Number of reportable segments \| Segment		2
Beckmann & Egle Industrieelektronik GmbH
Basis Of Presentation And Accounting Policies [Line Items]
Medical business segment unit amount acquired	$ 2,827
Forciot Oy \| Gentherm Automotive Segment
Basis Of Presentation And Accounting Policies [Line Items]
Investment amount			$ 2,357