Note 4 - Allowance for Credit Losses on Loans - Allowance for Loan Losses (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024
Balance	[1]	$ 20,449
Charge-offs		(15,505)	$ (14,179)
Recoveries		4,723	402
Provision for Credit Losses		7,320	16,716
Balance	[1]	16,987	20,449
Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance		20,449	17,510
Balance			20,449
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member]
Balance		4,757
Charge-offs		0	0
Recoveries		0	44
Provision for Credit Losses		(968)	1,738
Balance		3,789	4,757
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance		4,757	2,975
Balance			4,757
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member]
Balance		2,493
Charge-offs		0	0
Recoveries		0	0
Provision for Credit Losses		(35)	1,339
Balance		2,458	2,493
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance		2,493	1,154
Balance			2,493
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member]
Balance		2,410
Charge-offs		(6,571)	0
Recoveries		32	2
Provision for Credit Losses		7,534	(1,263)
Balance		3,405	2,410
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance		2,410	3,671
Balance			2,410
Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Balance		576
Charge-offs		(1,884)	(4,389)
Recoveries		5	0
Provision for Credit Losses		1,964	3,076
Balance		661	576
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance		576	1,889
Balance			576
Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Balance		1,322
Charge-offs		0	0
Recoveries		0	0
Provision for Credit Losses		7	245
Balance		1,329	1,322
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance		1,322	1,077
Balance			1,322
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member]
Balance		2,687
Charge-offs		(745)	(2,494)
Recoveries		198	320
Provision for Credit Losses		(184)	452
Balance		1,956	2,687
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance		2,687	4,409
Balance			2,687
Commercial Portfolio Segment [Member]
Balance		6,204
Charge-offs		(6,305)	(7,296)
Recoveries		4,488	36
Provision for Credit Losses		(998)	11,129
Balance		3,389	6,204
Commercial Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance		$ 6,204	2,335
Balance			$ 6,204

[1] Allowance for credit losses on loans in 2023 reported using the CECL method and in 2022 reported using the incurred loss method.