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Retirement Plans - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]      
Average service period 5 years    
Pension plan      
Defined Benefit Plan Disclosure [Line Items]      
Estimated contribution to the pension plan $ 165    
Assumptions used in determining periodic pension cost:      
Rate of increase in periodic pension costs 2.80% 2.45%  
Expected long-term rate of return on plan assets 7.30% 7.30%  
Pension plan | Equities      
Current investment policy targets:      
Current investment mix 35.00% 65.00%  
Pension plan | Debt      
Current investment policy targets:      
Current investment mix 64.00% 34.00%  
Pension plan | Money market funds      
Current investment policy targets:      
Current investment mix 1.00% 1.00%  
SERP liability adjustments      
Assumptions used in determining actuarial present value of projected benefits obligation:      
Weighted-average discount rate 2.40% 2.00% 2.95%
Rate of increase in future compensation levels 0.00% 0.00% 0.00%