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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Dec. 31, 2021
Valuation and Qualifying Accounts [Abstract] |
Valuation and Qualifying Accounts | SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS The following schedule provides the activity for accounts receivable reserves and valuation allowance for deferred tax assets for the years ended December 31, 2021, 2020 and 2019 (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Balance at | ​ | Charged to | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | beginning of | ​ | costs and | ​ | ​ | ​ | ​ | Balance at
​ |  | period |  | expenses |  | Write-offs |  | end of period
Accounts receivable reserves: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Year ended December 31, 2021 | ​ | $ | 817 | ​ | $ | 1,030 | ​ | $ | (404) | ​ | $ | 1,443
Year ended December 31, 2020 | ​ | ​ | 1,289 | ​ | ​ | 1,130 | ​ | ​ | (1,602) | ​ | ​ | 817
Year ended December 31, 2019 | ​ | ​ | 1,243 | ​ | ​ | 1,126 | ​ | ​ | (1,080) | ​ | ​ | 1,289
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​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Net additions | ​ | Exchange rate | ​ | ​ | ​
​ | ​ | Balance at | ​ | charged to | ​ | fluctuations | ​ | ​ | ​
​ | ​ | beginning of | ​ | income | ​ | and other | ​ | Balance at
​ |  | period |  | (expense) |  | items |  | end of period
Valuation allowance for deferred tax assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Year ended December 31, 2021 | ​ | $ | 10,237 | ​ | $ | 4,768 | ​ | $ | (489) | ​ | $ | 14,516
Year ended December 31, 2020 | ​ | ​ | 8,586 | ​ | ​ | 2,174 | ​ | ​ | (523) | ​ | ​ | 10,237
Year ended December 31, 2019 | ​ | ​ | 8,962 | ​ | ​ | (138) | ​ | ​ | (238) | ​ | ​ | 8,586
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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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