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Product Warranty (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Activity for accrued warranty expense      
Balance at beginning of year $ 4,177 $ 3,831 $ 4,048
Provision 4,911 5,315 4,199
Claims paid/costs incurred (4,986) (4,846) (4,589)
Foreign currency translation (151) (123) 173
Balance at end of year $ 3,951 $ 4,177 $ 3,831