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Accrued Liabilities - Activity Related to Accrued Warranties (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]    
Balance, beginning of period $ 1,880 $ 1,683
Provision for warranty expense 618 620
Fulfillment of warranty obligations (750) (724)
Balance, end of period $ 1,748 $ 1,579