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Revenue - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disaggregation of Revenue [Line Items]      
Recognized revenue $ 600 $ 500 $ 300
Total revenue 114,080 26,759 44,566
Contract asset 600    
Contract asset revenue expected to be recognized 600    
Grant      
Disaggregation of Revenue [Line Items]      
Total revenue $ 1,300 $ 0 $ 0