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Trade Accounts Receivable (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) Segment | Jun. 30, 2020 USD ($)
Trade Accounts Receivable [Abstract] |  |  |  |
Number of portfolio segments | Segment |  |  | 1 |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Beginning balance | $ 3,614 | $ 7,027 | $ 3,891 | $ 6,913
Provision for expected credit losses | 138 | 116 | 294 | 356
Accounts written off | (20) | (291) | (373) | (627)
Divestiture |  | (2,174) |  | (2,174)
Translation and other activity | 17 | 212 | (63) | (431)
Ending balance | $ 3,749 | $ 4,890 | $ 3,749 | 4,890
ASU 2016-13 [Member] |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |
Adoption of ASU 2016-13 |  |  |  | $ 853

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