Note 10 - Intangible Assets - Risk Characteristics of Loans Being Serviced (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($)
Original Term Fifteen Year Fixed Rate [Member]
Loan Principal Balance	$ 88,613
Weighted Average Interest Rate	2.93%
Weighted Average Remaining Term (Month)	124 months
Number of Loans	921
Original Term Thirty Year Fixed Rate [Member]
Loan Principal Balance	$ 445,698
Weighted Average Interest Rate	3.93%
Weighted Average Remaining Term (Month)	302 months
Number of Loans	2,662