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Employee Benefit Plans - Changes in Pre-Tax AOCI (Details) - USD ($)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Defined Benefit Plan, AOCI Rollforward [Roll Forward]    
Actuarial (gain) / loss - beginning of year $ (101,716) $ 168,177
Actuarial (gain) / loss of current year 444,329 (268,076)
Amortization 0 (1,817)
Prior service (cost) / credit recognized in current year (107,750) 0
Total $ 234,863 $ (101,716)