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Note 4 - Loans - Troubled Debt Restructuring (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
No. of Contracts			15
Pre-modification			$ 11,980
Post-modification	$ 9,163	$ 2,872	11,946
Specific Reserve			427
Charge-offs			$ 0
Commercial Portfolio Segment [Member]
No. of Contracts			4
Pre-modification			$ 6,115
Post-modification	$ 8,942	$ 2,650	6,115
Specific Reserve			427
Charge-offs			$ 0
Commercial Real Estate Portfolio Segment [Member]
No. of Contracts			3
Pre-modification			$ 3,676
Post-modification			3,669
Specific Reserve			$ 0
Residential Mortgage and Equity Lines Portfolio Segment [Member]
No. of Contracts			8
Pre-modification			$ 2,189
Post-modification			2,162
Specific Reserve			$ 0

X

- Definition

Reflects the amount of the specific reserve related to a troubled debt restructuring.

+ References

No definition available.

+ Details

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X

- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
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- Definition

Amortized cost of financing receivable modified during period for debtor experiencing financial difficulty.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
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- Definition

Amount, before troubled debt restructuring, of financing receivable to be modified.

+ References

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- Definition

Reflects the amount of the write-down related to a troubled debt restructuring.

+ References

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-Name Accounting Standards Codification
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