Interest income net of federal tax expense.

No definition available.

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- Definition

Number of entities.

+ References

No definition available.

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- Definition

Organization consolidation and presentation of financial statements disclosure and significant accounting policies.

+ References

No definition available.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15

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- Definition

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.

+ References

No definition available.

+ Details

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Nature of Operations and Summary of Significant Accounting Policies - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2025 USD ($) Entity	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Organization Consolidation And Presentation Of Financial Statements Disclosure And Significant Accounting Policies [Line Items]
Number of entities \| Entity	2
Interest or penalties incurred		$ 0	$ 0
Interest income net of federal tax expense	$ 631,000
Minimum [Member] \| Core Deposits [Member]
Organization Consolidation And Presentation Of Financial Statements Disclosure And Significant Accounting Policies [Line Items]
Estimated useful lives of core deposits	7 years
Maximum [Member] \| Core Deposits [Member]
Organization Consolidation And Presentation Of Financial Statements Disclosure And Significant Accounting Policies [Line Items]
Estimated useful lives of core deposits	10 years
Buildings and Improvements [Member]
Organization Consolidation And Presentation Of Financial Statements Disclosure And Significant Accounting Policies [Line Items]
Estimated useful lives	39 years
Furniture and Fixtures [Member] \| Minimum [Member]
Organization Consolidation And Presentation Of Financial Statements Disclosure And Significant Accounting Policies [Line Items]
Estimated useful lives	4 years
Furniture and Fixtures [Member] \| Maximum [Member]
Organization Consolidation And Presentation Of Financial Statements Disclosure And Significant Accounting Policies [Line Items]
Estimated useful lives	7 years
Equipment [Member] \| Minimum [Member]
Organization Consolidation And Presentation Of Financial Statements Disclosure And Significant Accounting Policies [Line Items]
Estimated useful lives	4 years
Equipment [Member] \| Maximum [Member]
Organization Consolidation And Presentation Of Financial Statements Disclosure And Significant Accounting Policies [Line Items]
Estimated useful lives	7 years