Expected Credit Losses (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($)
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	$ 3,376
Provision for expected credit losses	698
Amounts written off charged against the allowance	(54)
Other, including foreign currency translation	73
Balance, end of period	4,093
United States
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	2,902
Provision for expected credit losses	687
Amounts written off charged against the allowance	(54)
Other, including foreign currency translation	78
Balance, end of period	3,613
Other countries
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	474
Provision for expected credit losses	11
Other, including foreign currency translation	(5)
Balance, end of period	480
COVID-19
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Additional reserve for credit loss	$ 1,200