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Income Taxes - Additional Information (Details) - USD ($)
 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2020
Operating Loss Carryforwards [Line Items]          
Effective tax rate 25.30% 28.50%      
Net income tax provision related to exercise of stock options $ 166,000        
Net income tax benefit related to vesting of restricted shares   $ 231,000      
Deferred tax assets, net 45,200,000       $ 40,200,000
State and Local Jurisdiction          
Operating Loss Carryforwards [Line Items]          
Net operating loss carryforwards $ 100,000        
Operating Loss Carryforwards Expiration Term Dec. 31, 2033        
State and Local Jurisdiction | Forecast          
Operating Loss Carryforwards [Line Items]          
Net operating loss carryforwards     $ 100,000 $ 100,000