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Summary of Significant Accounting Policies - Product Warranties (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2022
USD ($)
Movement in Standard Product Warranty Accrual [Roll Forward]  
Warranty reserve - beginning of period $ 23,274
Warranty costs incurred (2,715)
Net changes in liability for pre-existing warranties, including expirations (691)
Provision for warranty 2,813
Warranty reserve - end of period $ 22,681