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Commitments and Contingencies - Employee Benefit Plans (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Employee Benefit Plans        
Contributions to employee benefit plan $ 1.1 $ 1.0 $ 2.4 $ 1.9