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Employee Benefit Plans - Narrative (Details)
 9 Months Ended
Sep. 30, 2022
USD ($)
post_retirement_benefit_plan
Sep. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
Retirement Benefits, Description [Abstract]      
Defined contribution plan service period (in months) 3 months    
Defined contribution plan employer maximum percentage match of annual salary based on employee contribution 3.00%    
Defined contribution plan, employer matching contribution, percent of match 3.00%    
Expense related to 401(k) plan $ 752,000 $ 593,000  
Unfunded, supplemental retirement benefits payable period 20 years    
Pension expense $ 231,000 126,000  
Accrued pension liability $ 2,888,000 $ 2,902,000 $ 2,872,000
Number of post-retirement benefit plans | post_retirement_benefit_plan 2    
Post-retirement benefit plan health insurance subsidy range minimum per month per person $ 40    
Post-retirement benefit plan health insurance subsidy range maximum per month per person $ 1,200    
Discount rate 2.00%    
Assumed health care cost trend rate 7.00%    
Expected future benefit payments, current year $ 87,000    
Estimated plan expense 33,000    
Effect of one percentage point increase on accumulated benefit obligation 100,000    
Effect of one percentage point increase on interest cost 7,000    
Effect of one percentage point increase on service cost $ 1,000