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Employee Benefit Plan - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Employee Stock Ownership Plan (ESOP) [Member]          
Defined Benefit Plan Disclosure [Line Items]          
Shares Issued Under Employee Benefit plan 104,058   104,058   79,800
The 401k Profit Sharing Plan [Member]          
Defined Benefit Plan Disclosure [Line Items]          
Defined Benefit Plan Expense $ 163,919 $ 139,181 $ 329,649 $ 272,348  
Defined contribution Plan Eligibility     Employees become eligible to participate in the discretionary contributions after one year of continuous service and the benefits vest over a five-year period.    
Maximum [Member] | The 401k Profit Sharing Plan [Member]          
Defined Benefit Plan Disclosure [Line Items]          
Defined Benefit Employer Matching Contribution     5.00%