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Retirement Plans - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Dec. 29, 2016
Defined Benefit Plan Disclosure [Line Items]            
Employer contribution for first 3% of employee contributions     100.00%      
Employer contribution for next 2% of employee contributions     50.00%      
Effective date of ceased matching employer contribution     May 16, 2020      
Percentage of first specified employee contributions     3.00%      
Percentage of next specified employee contributions     2.00%      
Contribution for retirement plan $ 28,503 $ 0 $ 51,642 $ 0    
Maximum amount allocated to purchase common stock under ESOP           $ 5,000,000.0
Total number of ESOP shares     254,682      
Fair value of ESOP released from suspense account and recognized compensation cost     $ 443,147      
Compensation cost recognized     $ 28,803 $ 44,172    
Number of non committed, unearned ESOP shares 424,621   424,621   431,697  
Fair value of unallocated ESOP shares $ 738,840   $ 738,840   $ 902,247  
Number of ESOP shares allocated 247,605   247,605   247,606  
Number of ESOP shares committed to be released 7,077   7,077      
ESOP [Member]            
Defined Benefit Plan Disclosure [Line Items]            
Number of common stock, shares purchased     682,500      
Purchased common stock, value     $ 4,900,000