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Document and Entity Information
May 08, 2025
Cover [Abstract]  
Entity Registrant Name Gentherm Inc
Amendment Flag false
Entity Central Index Key 0000903129
Document Type 8-K
Document Period End Date May 08, 2025
Entity Incorporation State Country Code MI
Entity File Number 0-21810
Entity Tax Identification Number 95-4318554
Entity Address, Address Line One 28875 Cabot Drive
Entity Address, City or Town Novi
Entity Address, State or Province MI
Entity Address, Postal Zip Code 48377
City Area Code (248)
Local Phone Number 348-9735
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, no par value
Trading Symbol THRM
Security Exchange Name NASDAQ
Entity Emerging Growth Company false