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Retirement Plans - Additional Information (Detail) - USD ($)
2 Months Ended 12 Months Ended
May 15, 2020
Feb. 28, 2017
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 29, 2016
Retirement Benefits [Abstract]            
Deferral equal to 3.0% of eligible employee compensation 100.00%          
Deferral equal to the next 2.0% of eligible employee compensation 50.00%          
Percentage of deferral equal to eligible employee compensation 3.00%          
Percentage of next specified deferral equal to eligible employee compensation 2.00%          
Percentage of discretionary contribution eligible employee compensation       3.00%    
Contribution for retirement plan     $ 75,631 $ 53,474 $ 42,841  
Maximum amount allocated to purchase common stock under ESOP           $ 5,000,000.0
Number of common stock, shares purchased   682,500        
Purchased common stock, value   $ 4,900,000        
Total number of ESOP shares     301,646 247,606    
Fair value of ESOP released from suspense account and recognized compensation cost     $ 545,979 $ 517,496    
Compensation cost recognized     $ 140,703 $ 172,000 $ 175,367  
Number of non committed, unearned ESOP shares     364,177 431,697 509,069  
Fair value of unallocated ESOP shares     $ 659,160 $ 902,247    
Number of ESOP shares allocated     301,646 247,606    
Number of ESOP shares committed to be released     0