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Revenue - Narratives (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disaggregation of Revenue [Line Items]    
Amount of revenue for remaining performance obligations $ 234,100,000  
Impairment losses $ 0  
Revenue Benchmark | Customer Concentration Risk | U.S. Government    
Disaggregation of Revenue [Line Items]    
Concentration risk percentage (as a percent) 7.00% 7.00%
Revenue Benchmark | Customer Concentration Risk | Service Revenue    
Disaggregation of Revenue [Line Items]    
Concentration risk percentage (as a percent) 4.00% 4.00%
Revenue Benchmark | Customer Concentration Risk | Transferred over Time    
Disaggregation of Revenue [Line Items]    
Concentration risk percentage (as a percent) 9.00% 11.00%