Premises and Equipment - Summary of Premises and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Premises and Equipment
Land	$ 685	$ 685
Buildings	6,781	6,723
Equipment and fixtures	8,515	8,354
Construction in progress	71	36
Operating Lease Assets	$ 366	$ 478
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Premises and equipment, net	Premises and equipment, net
Premises and equipment, gross	$ 16,418	$ 16,276
Accumulated depreciation	(13,141)	(12,712)
Premises and equipment, net	$ 3,277	$ 3,564
Buildings \| Minimum
Premises and Equipment
Useful lives	5 years	5 years
Buildings \| Maximum
Premises and Equipment
Useful lives	50 years	50 years
Equipment and fixtures \| Minimum
Premises and Equipment
Useful lives	5 years	5 years
Equipment and fixtures \| Maximum
Premises and Equipment
Useful lives	30 years	30 years

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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Amount before accumulated depreciation of fixtures and equipment. Includes, but is not limited to, machinery, equipment, and engines.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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Amount of lessee's right to use underlying asset under operating lease.

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Indicates line item in statement of financial position that includes operating lease right-of-use asset.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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