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401(k) Plan (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Retirement Benefits [Abstract]      
Maximum percentage of base pay that can be contributed by employees through salary deferrals 90.00%    
Contribution by the company $ 1.6 $ 1.5 $ 1.3