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Note 4 - Loans Receivable and Credit Disclosures - Activity in Allowance for Loan Losses (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023
Balance, beginning		$ 16,776	$ 15,697
Credit loss expense (benefit)	[1]	735	774
Recoveries of loans charged-off		30	32
Loans charged-off		(483)	(245)
Balance, ending		17,058	16,776
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance, beginning		0	518
Balance, ending			0
Construction Real Estate [Member]
Balance, beginning		408	730
Credit loss expense (benefit)		74	73
Recoveries of loans charged-off		0	0
Loans charged-off		0	0
Balance, ending		482	408
Construction Real Estate [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance, beginning			(395)
Family Residential Real Estate 1-4 [Member]
Balance, beginning		3,333	3,028
Credit loss expense (benefit)		544	58
Recoveries of loans charged-off		13	5
Loans charged-off		0	0
Balance, ending		3,890	3,333
Family Residential Real Estate 1-4 [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance, beginning			242
Multifamily [Member]
Balance, beginning		2,542	2,493
Credit loss expense (benefit)		(354)	73
Recoveries of loans charged-off		0	0
Loans charged-off		0	0
Balance, ending		2,188	2,542
Multifamily [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance, beginning			(24)
Commercial Real Estate Portfolio Segment [Member]
Balance, beginning		5,236	4,742
Credit loss expense (benefit)		(304)	(24)
Recoveries of loans charged-off		0	5
Loans charged-off		0	0
Balance, ending		4,932	5,236
Commercial Real Estate Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance, beginning			513
Agriculture Real Estate [Member]
Balance, beginning		1,238	1,625
Credit loss expense (benefit)		346	11
Recoveries of loans charged-off		0	0
Loans charged-off		0	0
Balance, ending		1,584	1,238
Agriculture Real Estate [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance, beginning			(398)
Commercial Portfolio Segment [Member]
Balance, beginning		1,955	1,153
Credit loss expense (benefit)		268	381
Recoveries of loans charged-off		10	9
Loans charged-off		(474)	(37)
Balance, ending		1,759	1,955
Commercial Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance, beginning			449
Agriculture [Member]
Balance, beginning		1,607	1,705
Credit loss expense (benefit)		198	161
Recoveries of loans charged-off		0	5
Loans charged-off		0	(203)
Balance, ending		1,805	1,607
Agriculture [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance, beginning			(61)
Consumer and Other [Member]
Balance, beginning		457	221
Credit loss expense (benefit)		(37)	41
Recoveries of loans charged-off		7	8
Loans charged-off		(9)	(5)
Balance, ending		$ 418	457
Consumer and Other [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance, beginning			$ 192
[1] The difference in the credit loss expense reported herein as compared to the Consolidated Statements of Income is associated with the credit loss benefit of $143 thousand related to off-balance sheet credit exposures.

X

- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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