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Deferred Compensation Plan (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Deferred Compensation Plan [Abstract]      
Maximum Deferral Percentage of Base Compensation under Deferred Compensation Plan 50.00%    
Maximum Deferral Percentage of Bonus Compensation under Deferred Compensation Plan 100.00%    
Contributions by Employer under Deferred Compensation Plan $ 170 $ 160 $ 150
Employer match under Deferred Compensation Plan, Percent 50.00%    
Employee Contribution Maximum Percent of Compensation under Deferred Compensation Plan 6.00%    
Discretionary Contribution under Deferred Compensation Plan $ 0    
Deferred compensation 10,349 9,437  
Deferred Compensation Plan Assets $ 10,400 $ 9,500