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Employee Benefit Plans
 12 Months Ended
Dec. 31, 2021
Compensation And Retirement Disclosure [Abstract]  
Employee Benefit Plans

21. Employee Benefit Plans

The Company maintains a qualified defined contribution 401(k) plan covering substantially all of its employees in the U.S. The Company may, at its discretion, make contributions to the plan. The Company recorded expense of $2.8 million, $3.8 million and $4.1 million related to the 401(k) plan for the years ended December 31, 2021, 2020 and 2019, respectively.