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Product Warranty (Tables)
6 Months Ended
Jun. 30, 2021
Guarantees [Abstract]  
Reconciliation of Reserve for Warranty Expense
The following table provides a reconciliation of the activity related to the Company’s reserve for warranty expense. The warranty reserve is included in other current liabilities in the accompanying consolidated condensed balance sheets as of June 30, 2021 and December 31, 2020. Amount in the table below are in thousands.
 Three Months Ended June 30,Six Months Ended
June 30,
 2021202020212020
Beginning balance$10,700 $9,791 $9,364 $9,636 
Provision3,477 1,562 5,933 3,370 
Claims paid/costs incurred(2,644)(1,574)(3,764)(3,227)
Ending balance$11,533 $9,779 $11,533 $9,779