Represents the percentage of total loans segregated by class of loan portfolio.

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The percentage of the loan amount for which cash collateral must be equal to or greater than in order for the loan to properly margined.

+ References

No definition available.

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Represents the housing percentage as per the underwriting standards.

+ References

No definition available.

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Represents the loan-to-value percentage as per the underwriting standards.

+ References

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Represents the total debt ratio as per the underwriting standards.

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- Definition

Amount of the collateral pledged in support of federal home loan bank advances outstanding.

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Amount, after allowance for credit loss, of accrued interest on financing receivable.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amortized cost, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

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Note 4 - Loans (Details Textual) - USD ($)	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2023	Mar. 31, 2023	Jan. 01, 2023	Dec. 31, 2022
Financing Receivable, Accrued Interest, after Allowance for Credit Loss	$ 3,294,000
Underwriting Standards, Loan to Value Percentage	80.00%
Underwriting Standards, Housing Percentage	36.00%
Underwriting Standards, Total Debt Ratio	42.00%
Financing Receivable, Nonaccrual	$ 0		$ 0	$ 0
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process	$ 1,070,037,000		1,016,579,000
Financing Receivable, Minimum Cash Collateral Percent	110.00%
Financing Receivable, Allowance for Credit Loss	$ 11,121,000	$ 10,922,000	10,896,000	9,411,000	$ 9,383,000		$ 9,468,000
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged	1,070,036,000		1,016,579,000
Cumulative Effect, Period of Adoption, Adjustment [Member]
Financing Receivable, Allowance for Credit Loss					0		346,000
Accounting Standards Update 2016-13 [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Financing Receivable, Allowance for Credit Loss						$ 346,000
Unlikely to be Collected Financing Receivable [Member]
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process	0		0
Collateral Pledged [Member]
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process	$ 0		0
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Gross Carrying Amount As Percentage of Total Loans	86.00%
Commercial Portfolio Segment [Member]
Financing Receivable, Gross Carrying Amount As Percentage of Total Loans	7.00%
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process	$ 74,868,000		65,218,000
Financing Receivable, Allowance for Credit Loss	$ 1,177,000	1,022,000	650,000	600,000	679,000		612,000
Commercial Portfolio Segment [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Financing Receivable, Allowance for Credit Loss					0		102,000
Residential Real Estate and Other Consumer Loans [Member]
Financing Receivable, Gross Carrying Amount As Percentage of Total Loans	3.00%
Agriculture [Member]
Financing Receivable, Gross Carrying Amount As Percentage of Total Loans	4.00%
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process	$ 37,033,000		25,922,000
Financing Receivable, Allowance for Credit Loss	$ 101,000	$ 81,000	$ 47,000	$ 39,000	34,000		172,000
Agriculture [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Financing Receivable, Allowance for Credit Loss					$ 0		$ (137,000)