Accounts Receivable (Tables)

12 Months Ended

Dec. 31, 2020

Receivables [Abstract]

Summary of Accounts Receivables

Accounts receivable, net, are comprised of the following amounts:

	As of December 31,
	2020		2019
Trade	$	86,659	$	85,284
Less—allowance for credit losses	2,044		2,044
Accounts receivable, net	$	84,615	$	83,240

Summary of Activity in the Allowance for Credit Losses

The following table presents changes in allowance for credit losses.

	Year Ended December 31,
	2020		2019		2018
Balance at beginning of year	$	2,044	$	2,517	$	2,339
Additions	505		231		628
Write-offs	(562)		(692)		(400)
Currency impact	57		(12)		(50)
Balance at end of year	$	2,044	$	2,044	$	2,517