Profit Sharing and Deferred Compensation Agreements - Additional Information (Details)	12 Months Ended
	Dec. 31, 2023 USD ($) Executive	Dec. 31, 2022 USD ($)
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Defined maximum contribution percent		5.00%
Defined contribution expenses	$ 79,000	$ 72,000
Accrued employee profit-sharing plan	$ 0	0
Executives annual benefit in monthly installments	15 years
Accrued liabilities for executive retirement agreements	$ 2,300,000	2,300,000
Director retirement agreements	225,000	256,000
Deferred compensation plan expense	185,000	182,000
Post employment benefits recorded liability	$ 275,000	292,000
Retired Executive Officers
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Defined contribution plan, number of employees | Executive	4
Deferred compensation arrangement benefits paid	$ 251,000	$ 248,000