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Retirement Plan (Details) - Supplemental Employee Retirement Plan - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Defined Contribution Plan Disclosure [Line Items]    
Defined contribution plan, employer matching contribution, percent of employees' gross pay 100.00%  
Defined contribution plan, maximum annual contributions per employee, percent 4.00%  
Defined contribution plan, employer discretionary contribution amount $ 2,300,000 $ 2,200,000
Defined contribution plan, employer discretionary profit sharing contribution amount $ 0 $ 0