Note 22 - Fair Value of Assets and Liabilities - Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques (Details) $ in Thousands		Jun. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Servicing Asset at Fair Value, Amount		$ 7,184	$ 7,351	$ 7,918
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Cost to Sell [Member] | Valuation Technique, Price of Comparable Business [Member] | Non-mortgage Loans [Member]
Non-mortgage loans held for sale		50,160
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]
Impaired Loans, Fair Value Disclosure		29,722		$ 34,088
Foreclosed assets	[1]	$ 751
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member] | Minimum [Member]
Impaired Loans, Measurement Input		0.10
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member] | Maximum [Member]
Impaired Loans, Measurement Input		0.35
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member] | Weighted Average [Member]
Impaired Loans, Measurement Input		0.349		0.289
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Prepayment Rate [Member]
Servicing Asset at Fair Value, Amount		$ 7,184
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Prepayment Rate [Member] | Minimum [Member]
Servicing Asset, Measurement Input		1.15
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Prepayment Rate [Member] | Maximum [Member]
Servicing Asset, Measurement Input		6.02
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Prepayment Rate [Member] | Weighted Average [Member]
Servicing Asset, Measurement Input		2.02
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Prepayment Rate [Member] | Valuation Technique, Discounted Cash Flow [Member]
Servicing Asset at Fair Value, Amount				$ 7,918
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Prepayment Rate [Member] | Valuation Technique, Discounted Cash Flow [Member] | Minimum [Member]
Servicing Asset, Measurement Input				103
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Prepayment Rate [Member] | Valuation Technique, Discounted Cash Flow [Member] | Maximum [Member]
Servicing Asset, Measurement Input				495
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Prepayment Rate [Member] | Valuation Technique, Discounted Cash Flow [Member] | Weighted Average [Member]
Servicing Asset, Measurement Input				165
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate [Member]
Servicing Asset, Measurement Input		0.105		10.5
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate [Member] | Weighted Average [Member]
Servicing Asset, Measurement Input		0.105		10.5

[1] There were no discounts taken on the collateral that comprises the balance of foreclosed assets as of December 31, 2024.