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Schedule II Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule of Valuation and Qualifying Accounts Disclosure | Schedule II — Valuation and Qualifying Accounts (in thousands)
Column A |  | Column B |  | Column C |  | Column D |  | Column E
|  |  |  | Additions |  |  |  |
|  |  |  | (1) |  | (2) |  |  |  |
|  | Balance at the Beginning of Period |  | Charged to Costs and Expenses |  | Charged to Other Accounts |  |  |  | Balance at End of Period
Description |  |  |  |  | -Deductions- |
|  |  |  |  |  | Note (A) |  | Note (B) |  |
Deferred tax valuation allowance: |  |  |  |  |  |  |  |  |  |
Year ended December 31, 2020 |  | $ | 50,853 |  |  | $ | 2,824 |  |  | $ | 3,009 |  |  | $ | 4,298 |  |  | $ | 52,388 |
Year ended December 31, 2019 |  | $ | 15,084 |  |  | $ | 36,658 |  |  | $ | — |  |  | $ | 889 |  |  | $ | 50,853 |
Year ended December 31, 2018 |  | $ | 12,857 |  |  | $ | — |  |  | $ | 3,023 |  |  | $ | 796 |  |  | $ | 15,084 |
_______________________________________ Note (A) Amounts in 2020 and 2018 relate primarily to changes in currency translation adjustments and foreign tax credit carryforwards, respectively. Note (B) Amounts in 2020, 2019, and 2018 include decreases in state net operating losses and credits, foreign tax credit and R&D credit carryforwards.

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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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