Credit Losses (Tables)

12 Months Ended

Dec. 31, 2022

Credit Loss [Abstract]

Accounts Receivable, Allowance for Credit Loss

The activity in the allowance for credit losses on the Company's trade receivables is as follows:

	December 31,
	2022		2021		2020
Balance at January 1,	$	5,666	$	6,557	$	5,140
Provision for credit losses	7,938		4,991		6,696
Write-offs	(6,830)		(5,730)		(5,418)
Foreign currency translation	(131)		(152)		139
Balance at December 31,	$	6,643	$	5,666	$	6,557

Debt Securities, Available-for-sale

The fair value and unrealized losses on available for sale debt securities, aggregated by investment category and the length of time the security has been in an unrealized loss position, are as follows:

	Less Than 12 Months				Balance Sheet Classification
Balance at December 31, 2022	Fair Value		Unrealized Loss		Cash and Cash Equivalents		Marketable Securities
U.S. Treasury securities	$	194,056	$	56	$	11,918	$	182,138