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Employee Benefit Plans - Summary of Change in Plan Assets (Detail) - Supplemental Employee Retirement Plan [Member] - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Change in Plan Assets
Employer contribution	$ 506,208	$ 483,159
Benefits paid	(506,208)	(483,159)
Funded status	(7,349,183)	(7,311,259)
Unrecognized net actuarial loss	(801,573)	(1,031,774)
Cumulative employer contributions in excess of the net periodic pension cost	$ (8,150,756)	$ (8,343,033)

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Cumulative employer contributions in excess of net periodic benefit cost.

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Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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Amount of contribution received by defined benefit plan from employer which increases plan assets.

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Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status.

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Amount of payment to participant under defined benefit plan which decreases plan assets. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.

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