Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Details)

v3.21.2
Commitments and Contingencies - Additional Information (Details)
$ in Thousands
1 Months Ended 9 Months Ended
Oct. 31, 2019
Lawsuit
Sep. 30, 2021
USD ($)
Dec. 31, 2020
USD ($)
Jan. 13, 2020
Lawsuit
May 20, 2019
Lawsuit
May 15, 2019
Lawsuit
Commitments And Contingencies [Line Items]            
Outstanding purchase orders due within one year with its outside vendors and suppliers   $ 65,700        
Payments received in advance of satisfying performance obligations   5,339        
Performance obligation partially offset of revenue recognized   4,319        
Number of lawsuits | Lawsuit         2  
No. of additional shareholder derivative who filed lawsuits | Lawsuit 3          
Number of derivative lawsuits | Lawsuit       4   2
Lifetime Warranties | Direct-to-Consumer            
Commitments And Contingencies [Line Items]            
Deferred revenue related to life time warranties   $ 18,098 $ 17,078