Expected Credit Losses (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($)
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	$ 3,376
Provision for expected credit losses	(304)
Amounts written off charged against the allowance	(39)
Other, including foreign currency translation	135
Balance, end of period	3,168
United States
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	2,902
Provision for expected credit losses	(99)
Amounts written off charged against the allowance	(39)
Other, including foreign currency translation	134
Balance, end of period	2,898
Other countries
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	474
Provision for expected credit losses	(205)
Other, including foreign currency translation	1
Balance, end of period	270
COVID-19
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Additional reserve for credit loss	$ 800