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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts | Schedule II -Valuation and Qualifying Accounts The roll forward of valuation accounts were as follows:
| (Dollars in thousands)
Description | Balance at Beginning of Period |  | Charged to Costs and Expenses |  | Deductions |  | Balance at End of Period
Allowance for doubtful accounts: (1) |  |  |  |  |  |  |
Year ended December 31, 2021 | $ | 654 |  |  | $ | 504 |  |  | $ | (360) |  |  | $ | 798 |
Year ended December 31, 2020 | $ | 593 |  |  | $ | 578 |  |  | $ | (517) |  |  | $ | 654 |
Valuation allowance for deferred tax assets: |  |  |  |  |  |  |
Year ended December 31, 2021 | $ | 1,257 |  |  | $ | — |  |  | $ | (1,257) |  |  | $ | — |
Year ended December 31, 2020 | $ | 1,235 |  |  | $ | 22 |  |  | $ | — |  |  | $ | 1,257 |
(1) Deductions reflect uncollected receivables written off, net of recoveries and translation adjustments.

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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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