Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2022

Accounting Policies [Abstract]

Schedule of Accounts Receivable, Allowance for Credit Losses

The following table summarizes changes in the allowance for expected credit losses for the periods presented:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2021		2022		2021		2022
Balance at beginning of period	$	2,180	$	2,161	$	1,861	$	2,949
Cumulative effect of accounting change upon adoption of CECL	—		—		—		254
Additions	108		351		604		1,010
Write-offs, net of recoveries	(26)		(36)		(198)		(1,727)
Foreign currency translation adjustment	(7)		(14)		(12)		(24)
Balance at end of period	$	2,255	$	2,462	$	2,255	$	2,462

Summary of Corporate Technology and Production Systems Expense

The following table sets forth expenses included in each category of corporate technology and production systems for the periods presented:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2021		2022		2021		2022
Corporate information technology	$	6,122	$	7,012	$	15,611	$	19,425
Development of platform and product initiatives	3,906		4,433		11,242		12,797
Production support and maintenance	2,056		2,270		5,582		6,584
Total production systems	5,962		6,703		16,824		19,381
Corporate technology and production systems	$	12,084	$	13,715	$	32,435	$	38,806