Note 9 - Short-Term Borrowings - Overnight Repurchase Agreements (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Federal Funds Purchased
Average daily balance	$ 1,850	$ 2,781
Average daily interest rate	5.03%	5.09%
Maximum month-end balance	$ 4,100	$ 2,230
Weighted average rate as of December 31	4.20%	5.20%
Short-Term Debt \| Assets pledged as collateral
Investment securities pledged	$ 9,200	$ 10,100

The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 940
-SubTopic 320
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479035/940-320-45-2

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