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

16. Employee Benefits

We maintain a 401(k) plan for all eligible employees. Our operating results include expenses of approximately $7.6 million in 2021, $7.7 million in 2020 and $13.2 million in 2019 for our contributions to the plan.