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Note 4 - Loans Receivable (Details Textual) - USD ($)	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Unamortized Loan Cost (Fee)	$ 1,400,000		$ 1,700,000
Financing Receivable, Allowance for Credit Loss	7,899,000	$ 8,142,000	8,345,000	$ 8,559,000	$ 9,226,000	$ 8,129,000
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process	931,838,000		1,059,106,000
Financing Receivable, Accrued Interest, before Allowance for Credit Loss	2,200,000		1,400,000
Financing Receivable, Modified, Accumulated	0		0
Real Estate or Business Assets [Member]
Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process			3,200,000
Unfunded Loan Commitment [Member] | Other Liabilities [Member]
Financing Receivable, Allowance for Credit Loss	$ 274,000		$ 335,000

X

- Definition

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

+ References

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-SubTopic 20
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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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Accumulated amortized cost of financing receivable modified for debtor experiencing financial difficulty.

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Amount of unamortized loan commitment, origination, and other costs (fees) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

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