XML 41 R34.htm IDEA: XBRL DOCUMENT v3.25.3

Income Taxes (Tables)

9 Months Ended

Sep. 30, 2025

Income Tax Disclosure [Abstract]

Summary of Provision for Income Taxes and Corresponding Effective Tax Rate

A summary of the provision for income taxes and the corresponding effective tax rate for the three and nine months ended September 30, 2025 and 2024, is shown below:

		Three Months Ended September 30,								Nine Months Ended September 30,
		2025				2024				2025				2024
Income tax expense		$	5,935			$	3,445			$	10,204			$	16,531
Earnings before income tax		$	20,884			$	19,410			$	25,502			$	66,157
Effective tax rate			28.4	%			17.7	%			40.0	%			25.0	%

X

- Definition

Summary of provision for income taxes and corresponding effective tax rate.

+ References

No definition available.

+ Details

Name:	thrm_SummaryOfProvisionForIncomeTaxesAndCorrespondingEffectiveTaxRateTableTextBlock
Namespace Prefix:	thrm_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration