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Employee Benefit Plans - Summary of Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Detail) - Supplemental Employee Retirement Plan [Member] - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income
Net actuarial (gain) loss	$ 168,352	$ (567,611)
Recognized net actuarial (gain) loss	61,849	0
Total recognized in other comprehensive income (before tax effects)	230,201	(567,611)
Total recognized in net cost and other comprehensive income (before tax effects)	$ 544,132	$ (212,417)

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Amount recognized in net periodic benefit cost (credit) and other comprehensive (income) loss.

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Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.

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