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v3.19.3.a.u2

Valuation And Qualifying Accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Reserves for doubtful accounts receivable |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | $ 4,702 | $ 4,576 | $ 4,523
Charges to Costs and Expenses | 562 | 390 | 591
Write-Offs/Cash Payments | (813) | (969) | (1,660)
Foreign Currency Translation | (870) | 705 | 1,122
Balance at End of Year | 3,581 | 4,702 | 4,576
Valuation allowance for deferred tax assets |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | 6,212 | 6,211 | 4,891
Charges to Costs and Expenses | 3,489 | 402 | 1,789
Write-Offs/Cash Payments | (226) | 0 | (679)
Foreign Currency Translation | (21) | (401) | 210
Balance at End of Year | $ 9,454 | $ 6,212 | $ 6,211

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- Definition Amount of increase (decrease) in valuation and qualifying accounts and reserves from adjustment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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=26873400&loc=d3e24092-122690 + Details
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