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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Dec. 31, 2022
SEC Schedule, 12-09, 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, 2022, 2021 and 2020 (in thousands):
|  | Balance at beginning of period |  | Charged to costs and expenses |  | Write-offs |  | Balance at end of period
Accounts receivable reserves: |  |  |  |  |  |  |  |
Year ended December 31, 2022 |  | $ | 1,443 |  |  | $ | 1,255 |  |  | $ | (1,736) |  |  | $ | 962 |
Year ended December 31, 2021 |  | $ | 817 |  |  | $ | 1,030 |  |  | $ | (404) |  |  | $ | 1,443 |
Year ended December 31, 2020 |  | $ | 1,289 |  |  | $ | 1,130 |  |  | $ | (1,602) |  |  | $ | 817 |
|  | Balance at beginning of period |  | Net additions charged to income (expense) |  | Exchange rate fluctuations and other items |  | Balance at end of period
Valuation allowance for deferred tax assets: |  |  |  |  |  |  |  |
Year ended December 31, 2022 |  | $ | 14,516 |  |  | $ | 4,975 |  |  | $ | (995) |  |  | $ | 18,496 |
Year ended December 31, 2021 |  | $ | 10,237 |  |  | $ | 4,768 |  |  | $ | (489) |  |  | $ | 14,516 |
Year ended December 31, 2020 |  | $ | 8,586 |  |  | $ | 2,174 |  |  | $ | (523) |  |  | $ | 10,237 |

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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 https://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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