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Segment Reporting and Geographic Information - Segment (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
segment
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Revenue reporting by end-market and geographic region      
Number of operating segments | segment 1    
Number of reportable segments | segment 1    
Net sales $ 583,277 $ 454,163 $ 419,349
Semiconductor      
Revenue reporting by end-market and geographic region      
Net sales 247,051 165,909 175,608
Compound Semiconductor      
Revenue reporting by end-market and geographic region      
Net sales 106,972 107,922 85,877
Data Storage      
Revenue reporting by end-market and geographic region      
Net sales 168,760 123,288 84,075
Scientific & Other      
Revenue reporting by end-market and geographic region      
Net sales $ 60,494 $ 57,044 $ 73,789