XML 58 R72.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Segment Reporting - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 Customer | Dec. 31, 2013 | Dec. 31, 2012
Segment Reporting Information [Line Items] |  |  |
Goodwill | $ 30,398 us-gaap_Goodwill | $ 25,809 us-gaap_Goodwill | $ 24,729 us-gaap_Goodwill
Reimbursed research and development costs | 8,885 thrm_ResearchAndDevelopmentReimbursements | 2,324 thrm_ResearchAndDevelopmentReimbursements | 2,239 thrm_ResearchAndDevelopmentReimbursements
Selling, general and administrative costs | 84,647 us-gaap_SellingGeneralAndAdministrativeExpense | 72,091 us-gaap_SellingGeneralAndAdministrativeExpense | 64,321 us-gaap_SellingGeneralAndAdministrativeExpense
Acquisition transaction expenses | 1,075 us-gaap_BusinessCombinationAcquisitionRelatedCosts | 2,414 us-gaap_BusinessCombinationAcquisitionRelatedCosts |
Number of customers | 3 thrm_EntityWideRevenueNumberOfMajorCustomer |  |
United States |  |  |
Segment Reporting Information [Line Items] |  |  |
Number of customers | 2 thrm_EntityWideRevenueNumberOfMajorCustomer / us-gaap_StatementGeographicalAxis = country_US |  |
Foreign |  |  |
Segment Reporting Information [Line Items] |  |  |
Number of customers | 1 thrm_EntityWideRevenueNumberOfMajorCustomer / us-gaap_StatementGeographicalAxis = thrm_ForeignCountriesMember |  |
Automotive Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Goodwill | 24,140 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = thrm_AutomotiveSegmentsMember |  |
Industrial Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Goodwill | 6,258 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = thrm_IndustrialSegmentsMember |  |
Reimbursed research and development costs | 8,885 thrm_ResearchAndDevelopmentReimbursements / us-gaap_StatementBusinessSegmentsAxis = thrm_IndustrialSegmentsMember | 2,324 thrm_ResearchAndDevelopmentReimbursements / us-gaap_StatementBusinessSegmentsAxis = thrm_IndustrialSegmentsMember | 2,239 thrm_ResearchAndDevelopmentReimbursements / us-gaap_StatementBusinessSegmentsAxis = thrm_IndustrialSegmentsMember
Selling, general and administrative costs | 36,214 us-gaap_SellingGeneralAndAdministrativeExpense / us-gaap_StatementBusinessSegmentsAxis = thrm_IndustrialSegmentsMember | 32,597 us-gaap_SellingGeneralAndAdministrativeExpense / us-gaap_StatementBusinessSegmentsAxis = thrm_IndustrialSegmentsMember | 30,087 us-gaap_SellingGeneralAndAdministrativeExpense / us-gaap_StatementBusinessSegmentsAxis = thrm_IndustrialSegmentsMember
Acquisition transaction expenses | $ 1,075 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_StatementBusinessSegmentsAxis = thrm_IndustrialSegmentsMember | $ 2,414 us-gaap_BusinessCombinationAcquisitionRelatedCosts / us-gaap_StatementBusinessSegmentsAxis = thrm_IndustrialSegmentsMember |

X
- Definition Entity wide revenue number of major customer. + References No definition available. + Details
Name: | thrm_EntityWideRevenueNumberOfMajorCustomer
Namespace Prefix: | thrm_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amounts earned from governmental or other organizations relating to awarded sponsored research projects. + References No definition available. + Details
Name: | thrm_ResearchAndDevelopmentReimbursements
Namespace Prefix: | thrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e1043-128460 + Details
Name: | us-gaap_BusinessCombinationAcquisitionRelatedCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 4 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34747878&loc=d3e3636-108311 + Details
Name: | us-gaap_SellingGeneralAndAdministrativeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=thrm_AutomotiveSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=thrm_IndustrialSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=thrm_ForeignCountriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |