Note 22 - Fair Value of Assets and Liabilities - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Jun. 30, 2025	Dec. 31, 2024
Trading	$ 1,411		$ 3,309
Debt Securities, Available-for-Sale, Excluding Accrued Interest	531,014		588,053
Servicing rights	6,708	$ 7,184	7,918
US Treasury Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	446		30,707
Residential Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	479,837		503,706
Commercial Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	1,279		1,251
Asset-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	16		19
Corporate Bond Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	49,436		52,370
Fair Value, Recurring [Member]
Trading	1,411		3,309
Debt Securities, Available-for-Sale, Excluding Accrued Interest	531,014		588,053
Servicing rights	6,708		7,918
Derivatives	11,097		9,105
Derivatives	10,825		8,600
Fair Value, Recurring [Member] | US Treasury Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	446		30,707
Fair Value, Recurring [Member] | Residential Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	479,837		503,706
Fair Value, Recurring [Member] | Commercial Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	1,279		1,251
Fair Value, Recurring [Member] | Asset-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	16		19
Fair Value, Recurring [Member] | Corporate Bond Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	49,436		52,370
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Trading	1,411		3,309
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0		0
Servicing rights	0		0
Derivatives	0		0
Derivatives	0		0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | US Treasury Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0		0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Residential Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0		0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Commercial Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0		0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Asset-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0		0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Corporate Bond Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0		0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Trading	0		0
Debt Securities, Available-for-Sale, Excluding Accrued Interest	531,014		588,053
Servicing rights	0		0
Derivatives	11,097		9,105
Derivatives	10,825		8,600
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | US Treasury Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	446		30,707
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Residential Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	479,837		503,706
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Commercial Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	1,279		1,251
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Asset-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	16		19
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Corporate Bond Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	49,436		52,370
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Trading	0		0
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0		0
Servicing rights	6,708		7,918
Derivatives	0		0
Derivatives	0		0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | US Treasury Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0		0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Residential Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0		0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Commercial Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0		0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Asset-Backed Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	0		0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Corporate Bond Securities [Member]
Debt Securities, Available-for-Sale, Excluding Accrued Interest	$ 0		$ 0