Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2022

Accounting Policies [Abstract]

Summary of changes in the allowance for doubtful accounts and sales allowances

The following table summarizes the changes in the allowance for doubtful accounts and sales allowances (in thousands):

	Three Months Ended March 31,
	2022		2021
Allowances, at beginning of period	$	3,099	$	7,147
Charged as a reduction of revenue	790		1,279
Charged to bad debt expense in general and administrative expenses	160		232
Write-offs, net of recoveries	(1,536)		(2,509)
Allowances, at end of period	$	2,513	$	6,149