Annual report pursuant to Section 13 and 15(d)

Employee Retirement Plans - Defined Contribution and Nonqualified Plans (Details)

v3.22.0.1
Employee Retirement Plans - Defined Contribution and Nonqualified Plans (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Defined contribution plan      
Company's matching contributions $ 4,334 $ 3,899 $ 3,627
Non-discretionary employer contributions 0 0 0
Discretionary employer contributions 470    
Non-qualified benefit plan assets 10,347 9,041  
Non-qualified plan      
Defined contribution plan      
Expense 475 523 553
Amount accrued $ 11,139 $ 9,318 $ 7,679