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Accrued Expenses and Other Current Liabilities- Reconciliation of Assurance-type Warranties (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Movement in Standard Product Warranty Accrual [Roll Forward]    
Balance at the beginning of the period $ 2,886 $ 2,400
Accruals for warranties issued 687 272
Accruals related to pre-existing warranties (including changes in estimates) 1,856 1,691
Settlements made (1,373) (1,477)
Balance at the end of the period $ 4,056 $ 2,886