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Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2021
Valuation And Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | GENTHERM INCORPORATED SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS For the Years Ended December 31, 2021, 2020 and 2019 (In thousands)
Description |  | Balance at Beginning of Period |  |  | Charged to Costs and Expenses |  |  | Other Activity |  |  | Deductions from Reserves |  |  | Balance at End of Period |
Allowance for Doubtful Accounts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year Ended December 31, 2019 |  | $ | 851 |  |  | $ | 969 |  |  | $ | (8 | ) |  | $ | (619 | ) |  | $ | 1,193 |
Year Ended December 31, 2020 |  |  | 1,193 |  |  |  | 1,298 |  |  |  | 33 |  |  |  | (1,363 | ) |  |  | 1,161 |
Year Ended December 31, 2021 |  |  | 1,161 |  |  |  | 1,066 |  |  |  | (12 | ) |  |  | (816 | ) |  |  | 1,399 |
Allowance for Deferred Income Tax Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year Ended December 31, 2019 |  | $ | 9,977 |  |  | $ | 7,830 |  |  | $ | (491 | ) |  | $ | — |  |  | $ | 17,316 |
Year Ended December 31, 2020 |  |  | 17,316 |  |  |  | — |  |  |  | 139 |  |  |  | (258 | ) |  |  | 17,197 |
Year Ended December 31, 2021 |  |  | 17,197 |  |  |  | 357 |  |  |  | (102 | ) |  |  | (1,362 | ) |  |  | 16,090 |
Reserve for Inventory |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Year Ended December 31, 2019 |  | $ | 6,270 |  |  | $ | 1,679 |  |  | $ | (56 | ) |  | $ | (1,820 | ) |  | $ | 6,073 |
Year Ended December 31, 2020 |  |  | 6,073 |  |  |  | 1,768 |  |  |  | 214 |  |  |  | (914 | ) |  |  | 7,141 |
Year Ended December 31, 2021 |  |  | 7,141 |  |  |  | 2,499 |  |  |  | (134 | ) |  |  | (3,492 | ) |  |  | 6,014 |

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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