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Employee Benefit Plans - Summary of Amounts Recognized in Accumulated Other Comprehensive Income (Detail) - Supplemental Employee Retirement Plan [Member] - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Amounts Recognized in Accumulated Other Comprehensive Income    
Net actuarial loss $ 1,418,856 $ 1,939,269
Total (before tax effects) $ 1,418,856 $ 1,939,269