Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Schedule Of Sales Return Reserve (Details)

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Significant Accounting Policies - Schedule Of Sales Return Reserve (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Sales Return Reserve    
Balance beginning period $ 3,517 $ 2,585
Returns (57,795) (36,796)
Allowance 58,400 37,728
Balance ending period $ 4,122 $ 3,517