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Product Warranties (Changes in Warranty Reserve) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Product Warranties Disclosures [Abstract]    
Balance at the beginning of the year $ 1,940 $ 2,533
Current year provision 863 3,462
Reductions for payments, costs of repairs and other (955) (3,365)
Adjustments to prior warranties (246) (690)
Balance at the end of the year $ 1,602 $ 1,940