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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Valuation accounts deducted from assets to which they apply – allowance for doubtful accounts: |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Period | $ 5,638 | $ 5,109 | $ 2,777
Charged to Costs and Expenses | 2,037 | 6,222 |
Removal of Uncollectible Receivables | (1,482) | (3,907) |
Translation Adjustments Increase (Decrease) | (26) | 17 |
Balance at the End of Period | 5,638 | 5,109 |
Valuation accounts deducted from assets to which they apply – valuation allowance for deferred income taxes: |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Period | 5,825 | 5,551 | $ 2,945
Charged to Costs and Expenses | (15) | 2,606 |
Other | 289 | 0 |
Translation Adjustments Increase (Decrease) | 0 | 0 |
Balance at the End of Period | $ 5,825 | $ 5,551 |

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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=120395691&loc=d3e24092-122690 + Details
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