Note 7 -Servicing Rights on Sold Loans - Fair Value of Mortgage Servicing Rights (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Constant prepayment rate	5.90%	6.80%
Weighted-average life (years) (Year)	6 years 3 months 18 days	6 years 4 months 24 days
Yield to maturity discount	11.00%	11.80%
Servicing right fair value	$ 3,014	$ 3,281
Constant prepayment rate assumption (weighted-average)	5.90%	6.80%
Yield to maturity discount assumption (weighted-average)	11.00%	11.80%
Sold Loan Servicing Rights [Member]
Impact on fair value with a 10% adverse change in prepayment speed	$ 104	$ 129
Impact on fair value with a 20% adverse change in prepayment speed	194	176
Impact on fair value with a 10% adverse change in discount rate	144	184
Impact on fair value with a 20% adverse change in discount rate	$ 260	$ 312