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Basis of Presentation and Significant Accounting Policies - Reserves For Excess And Obsolete Inventories (Details) - Reserve For Excess and Obsolete Inventories - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]    
Beginning balance $ 399 $ 383
Provision adjustment 30 137
Write-offs and scrap (109) (121)
Ending balance $ 320 $ 399