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Commitments and Contingencies - Changes in the Liability for Product Warranty Claim Costs (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Changes in the liability for product warranty claim costs      
Balance at beginning of period $ 1,721 $ 1,514 $ 276
Accruals for warranties issued during the period 2,943 578 1,742
Settlements (in cash or in kind) during the period (3,522) (463) (504)
Foreign currency translation gain (loss) (47) 92 0
Balance at end of period $ 1,095 $ 1,721 $ 1,514