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Allowance for credit losses | 12 Months Ended
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Dec. 31, 2021
Allowance for credit losses |
Allowance for credit losses | Note 10 – Allowance for Credit Losses ​ The change in the allowance for credit losses during the years ended December 31, 2020 and 2021 were as follows: ​
​ | ​ | ​ | ​
in thousands | ​ | ​ | ​
Balance at December 31, 2019 | ​ | $ | 2,524
Impact of ASU 2016-13 adoption | ​ | ​ | 288
Balance at January 1, 2020 | ​ | ​ | 2,812
Provision | ​ | ​ | 2,306
Write-offs | ​ | ​ | (994)
Net foreign currency translation | ​ | ​ | 11
Balance at December 31, 2020 | ​ | $ | 4,135
Provision | ​ | ​ | (16)
Write-offs | ​ | ​ | (2,689)
Net foreign currency translation | ​ | ​ | (11)
Balance at December 31, 2021 | ​ | $ | 1,419
​ During the year ended December 31, 2021, we wrote off $2.7 million of accounts receivable that were fully reserved for and no longer deemed collectible.

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