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v2.4.1.9

Summary of Company's Debt (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Debt Instrument [Line Items] |  |
Total debt | $ 90,775 us-gaap_LongTermDebt | $ 82,320 us-gaap_LongTermDebt
Current portion | (5,306)us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent | (21,439)us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent
Long-term debt, less current maturities | 85,469 us-gaap_LongTermDebtNoncurrent | 60,881 us-gaap_LongTermDebtNoncurrent
US Term Note |  |
Debt Instrument [Line Items] |  |
Interest Rate | 2.00%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = thrm_UnitedStateTermLoanMember |
Total debt | 49,375 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = thrm_UnitedStateTermLoanMember |
Europe Term Loan |  |
Debt Instrument [Line Items] |  |
Interest Rate | 1.81%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = thrm_EuropeTermLoanMember |
Total debt | 23,963 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = thrm_EuropeTermLoanMember |
US Revolving Note |  |
Debt Instrument [Line Items] |  |
Interest Rate | 1.92%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = thrm_UnitedStateRevolvingNoteMember |
Total debt | 12,000 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = thrm_UnitedStateRevolvingNoteMember |
DEG Loan |  |
Debt Instrument [Line Items] |  |
Interest Rate | 4.25%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = thrm_DEGLoanMember | 4.25%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = thrm_DEGLoanMember
Total debt | 4,805 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = thrm_DEGLoanMember | 5,561 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = thrm_DEGLoanMember
Capital Lease |  |
Debt Instrument [Line Items] |  |
Interest Rate | 4.20%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember | 4.20%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember
Total debt | 632 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember | 2,440 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_CapitalLeaseObligationsMember
US Term Note |  |
Debt Instrument [Line Items] |  |
Interest Rate |  | 2.50%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = thrm_UnitedStateTermNoteMember
Total debt |  | 24,500 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = thrm_UnitedStateTermNoteMember
Europe Term Note |  |
Debt Instrument [Line Items] |  |
Interest Rate |  | 2.49%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = thrm_EuropeTermNoteMember
Total debt |  | 38,899 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = thrm_EuropeTermNoteMember
W.E.T. Term Note |  |
Debt Instrument [Line Items] |  |
Interest Rate |  | 2.01%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_LongtermDebtTypeAxis = thrm_WetTermNoteMember
Total debt |  | $ 10,920 us-gaap_LongTermDebt / us-gaap_LongtermDebtTypeAxis = thrm_WetTermNoteMember

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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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