XML 49 R37.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Allowance for credit losses (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Allowance for credit losses |
Schedule change in the allowance for credit losses | ​
​ | ​ | ​ | ​
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

X
- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
Name: | us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CreditLossAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration