Note 7 - Loans Receivable and Credit Disclosures (Details Textual) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal)	$ 69		$ 46
Financing Receivable, Nonaccrual, Interest Income	224	$ 224	569	$ 535
Financing Receivable, Nonaccrual	$ 14,600		$ 14,600		$ 14,600	$ 14,700
Financing Receivable, Modified, Number of Contracts			3
Financing Receivable, Modified, Subsequent Default, Number of Contracts			0		0
Financing Receivable, Modified, Accumulated						$ 10,700
Number Of Restructured Loans Granting Concessions	0		0
Financing Receivable, Modified, Increase (Decrease) from Modification		$ 0		$ 0

Number of financing receivables that have been modified.

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Number of financing receivable contracts modified within previous 12 months, with subsequent payment default.

+ References

No definition available.

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The number of restructured loans granting concessions to borrowers experiencing financial difficulties.

+ References

No definition available.

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

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Amount of interest income on financing receivable on nonaccrual status.

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

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Amount of increase (decrease) in amortized cost of financing receivable modified for debtor experiencing financial difficulty.

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Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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