Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Narratives (Details)

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Summary of Significant Accounting Policies - Narratives (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Summary of Significant Accounting Policies Table      
Foreign currency exchange (gain) loss $ 4,716 $ (5,264) $ 1,228
Restricted cash included in prepaid and other current assets 0 1,640  
Interest costs capitalized 1,235 1,788 1,941
Research and development cost $ 7,499 $ 7,137 $ 7,357
Maximum      
Summary of Significant Accounting Policies Table      
Remaining lease term 23 years    
Building and building improvements | Minimum      
Summary of Significant Accounting Policies Table      
Fixed asset useful life 15 years    
Building and building improvements | Maximum      
Summary of Significant Accounting Policies Table      
Fixed asset useful life 33 years    
Machinery and equipment | Minimum      
Summary of Significant Accounting Policies Table      
Fixed asset useful life 3 years    
Machinery and equipment | Maximum      
Summary of Significant Accounting Policies Table      
Fixed asset useful life 10 years