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Employee Benefit Plan (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Retirement Benefits [Abstract]    
Defined contribution maximum annual matching contribution per employee, percent 3.00%  
Defined contribution maximum annual discretionary contribution per employee, percent 6.00%  
Defined contribution plan, employer matching contribution, percent 3.00%  
Defined contribution plan employer matching contribution $ 987,000 $ 896,000
Defined contribution plan employer discretionary contribution percent 4.70% 5.00%
Defined contribution plan, employer discretionary contribution amount $ 1,300,000 $ 1,200,000
Deferred compensation plan compensation expense 237,000 193,000
Present value of future payments under the remaining deferred compensation plan liability $ 1,900,000 $ 1,600,000