Note 9 - Schedule of Short-Term Borrowings (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023
Short-term Borrowings [Line Items]
Balance		$ 53,844	$ 94,094
Securities Sold under Agreements to Repurchase [Member]
Short-term Borrowings [Line Items]
Balance	[1]	18,636	44,094
Maximum indebtedness at any month end	[1]	55,088	69,343
Daily average indebtedness outstanding	[1]	$ 38,455	$ 53,154
Average rate paid for the year	[1]	1.83%	1.39%
Average rate on period-end borrowings	[1]	2.46%	4.59%
Other Short Term Debt [Member]
Short-term Borrowings [Line Items]
Balance	[2]	$ 35,208	$ 50,000
Maximum indebtedness at any month end	[2]	50,000	136,799
Daily average indebtedness outstanding	[2]	$ 10,071	$ 55,708
Average rate paid for the year	[2]	4.41%	4.55%
Average rate on period-end borrowings	[2]	4.81%	4.39%

[1] Securities sold under agreements to repurchase mature overnight. The repurchase agreements were collateralized by U.S. Government mortgage-backed securities and CMOs with an amortized cost of $30,729,000 and $72,012,000 and a fair value of $26,501,000 and $61,650,000 and at December 31, 2024 and 2023 respectively. These securities are held in safekeeping at the Federal Reserve Bank of Boston.

[2] Other short-term borrowings include Federal funds purchased, overnight and short term borrowings from the FHLB, and short-term FRB borrowings.