Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets - Narrative (Details)

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Goodwill and Intangible Assets - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]        
Changes in carrying amount of goodwill   $ 0 $ 0  
Intangible asset   $ 38 $ 1,585 $ 2,426
Useful life   1 month 6 days 10 months 24 days  
Acquired Assembled Workforce        
Finite-Lived Intangible Assets [Line Items]        
Useful life   1 month 6 days 1 year 1 month 6 days  
Aevi        
Finite-Lived Intangible Assets [Line Items]        
Useful life 2 years      
Aevi | Acquired Assembled Workforce        
Finite-Lived Intangible Assets [Line Items]        
Intangible asset $ 900      
Useful life 2 years