Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Schedule of Allowance for Sales Returns

Allowance for sales returns consists of the following activities (in thousands):

	Three Months Ended						Nine Months Ended
	September 30, 2021			September 30, 2020			September 30, 2021			September 30, 2020
Beginning balance	$	(4,515	)	$	(5,412	)	$	(5,912	)	$	(6,550	)
Charged to revenue		(3,082	)		(2,313	)		(10,133	)		(8,998	)
Utilization of sales return reserve		3,554			3,402			12,002			11,225
Ending balance	$	(4,043	)	$	(4,323	)	$	(4,043	)	$	(4,323	)

Schedule of Allowance for Sales Incentives

Allowance for sales incentives consists of the following activities (in thousands):

	Three Months Ended						Nine Months Ended
	September 30, 2021			September 30, 2020			September 30, 2021			September 30, 2020
Beginning balance	$	(16,640	)	$	(8,962	)	$	(30,838	)	$	(19,476	)
Charged to revenue		(17,379	)		(10,470	)		(44,953	)		(28,127	)
Utilization of sales incentive reserve		14,184			11,366			55,956			39,537
Ending balance	$	(19,835	)	$	(8,066	)	$	(19,835	)	$	(8,066	)

Schedule of Allowance for Doubtful Accounts

Allowance for doubtful accounts consists of the following activities (in thousands):

	Three Months Ended						Nine Months Ended
	September 30, 2021			September 30, 2020			September 30, 2021			September 30, 2020
Beginning balance	$	(3,082	)	$	(4,403	)	$	(4,181	)	$	(1,140	)
Impact of adoption of ASU 2016-13		—			—			—			(1,066	)
Adjusted beginning balance		(3,082	)		(4,403	)		(4,181	)		(2,206	)
Provision for (recoveries of) doubtful accounts		381			(131	)		1,480			(3,097	)
Adjustments for recovery and write-off		1,119			10			1,119			779
Ending balance	$	(1,582	)	$	(4,524	)	$	(1,582	)	$	(4,524	)