Fixed interest rate of advances made and reported by Federal Home Loan Bank (FHLBank).

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Federal home loan bank advances maximum borrowing capacity as percentage of total assets.

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No definition available.

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Federal home loan bank fixed rate advances.

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Federal Reserve Bank discount window borrowing.

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No definition available.

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Line of credit facility extended maturity date.

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No definition available.

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Ratio applied to the conversion of required investment in Federal Home Loan Bank (FHL Bank) $1 for every $ 20.

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No definition available.

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Carrying value as of the balance sheet date of the sum of the obligations to contract holders to provide to them an agreed upon rate of return pursuant to the terms of the underlying contract. These contracts represent lending by the contract holders to the entity in return for a guaranteed (primarily fixed) interest rate until maturity, unless called earlier if the contracts provide that option to the contract holders (usually institutions). There is little or no insurance risk for the entity.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Amount of Federal Home Loan Bank (FHLBank) advances to member financial institutions.

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No definition available.

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Interest rate of advances made and reported by Federal Home Loan Bank (FHLBank).

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No definition available.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Description of interest rate for borrowing under credit facility. Includes, but is not limited to, terms and method for determining interest rate.

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The effective interest rate during the reporting period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The portion of the carrying amount of short-term borrowings outstanding as of the balance sheet date, which accrues interest at a rate subject to change from time to time.

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No definition available.

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Other Borrowings - Additional Information (Details) - USD ($)				3 Months Ended	12 Months Ended
	May 26, 2026	May 26, 2024	Oct. 10, 2019	Mar. 31, 2024	Dec. 31, 2023	Jan. 22, 2024	Oct. 13, 2016
Line Of Credit Facility [Line Items]
Federal Reserve Bank discount window borrowing				$ 0	$ 0
Bank Term Funding Program				$ 200,000,000	0
Federal home loan bank advances, Fixed interest rate				5.45%
Federal home loan bank advances maximum borrowing capacity as percentage of total assets				35.00%
Federal home loan bank, required investment conversion ratio				4.5
Line of credit facility, amount				$ 0	$ 11,250,000
Line of Credit Facility, Interest Rate					7.39%
Federal Home Loan Bank fixed rate advances				220,000,000
Federal Home Loan Bank Variable Rate Advances				$ 250,000,000
Federal Home Loan Bank, Advances, Interest Rate				5.49%
Variable term loan, Interest rate				7.62%	7.64%
Forecast
Line Of Credit Facility [Line Items]
Line of credit facility, extended maturity date		May 26, 2024
Line of credit facility, maximum borrowing capacity	$ 20,000,000
Debt instrument, maturity date	May 26, 2026
Forecast \| Revolving Credit Facility
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity		$ 15,000,000
Federal Reserve Bank Advances
Line Of Credit Facility [Line Items]
Bank Term Funding Program						$ 200,000
Debt instrument, interest rate						4.91%
Correspondent Bank \| Ridgestone
Line Of Credit Facility [Line Items]
Line of credit facility, interest rate terms				The amended revolving line of credit bears interest at either the Secured Overnight Financing Rate ("SOFR") plus 205 basis points or Prime Rate minus 75 basis points, not to be less than 2.00%, based on the Company’s election, which is required to be communicated at least three business days prior to the commencement of an interest period. If the Company fails to provide timely notification, the interest rate will be Prime Rate minus 75 basis points.
Correspondent Bank \| Credit agreement \| Ridgestone
Line Of Credit Facility [Line Items]
Line of credit facility, amount							$ 30,000,000
Correspondent Bank \| Fourth Amendment Revolving Credit Agreement \| Ridgestone
Line Of Credit Facility [Line Items]
Line of credit facility, amount				$ 0			$ 15,000,000
Line of credit facility, interest rate terms				At March 31, 2024, the line of credit had a no outstanding balance.
Correspondent Bank \| Amended Credit Agreement \| Ridgestone \| Prime Rate
Line Of Credit Facility [Line Items]
Interest rate spread			0.75%
Correspondent Bank \| Amended Credit Agreement \| Ridgestone \| SOFR
Line Of Credit Facility [Line Items]
Interest rate spread			2.05%