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Accrued Expenses Warranty Schedule (Details)
$ in Thousands
6 Months Ended
Jun. 30, 2020
USD ($)
Product Liability Contingency  
Balance as of January 1, 2020 $ 11,626
Warranties provided during the period 3,266
Settlements made during the period (4,493)
Changes in liability for pre-existing warranties during the period, including expirations 235
Balance as of June 30, 2020 $ 10,634