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Retirement Plan (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Retirement Benefits [Abstract]      
Incurred costs for contributions to retirement plan $ 1.4 $ 1.3 $ 1.0
Contributions due to Retirement Plan included in compensation payable   $ 0.1