Note 8 - Intangible Assets - Risk Characteristics of Loans Being Serviced (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)
Original Term Fifteen Year Fixed Rate [Member]
Loan Principal Balance	$ 92,569
Weighted Average Interest Rate	2.92%
Weighted Average Remaining Term (Month)	127 months
Number of Loans	948
Original Term Thirty Year Fixed Rate [Member]
Loan Principal Balance	$ 441,889
Weighted Average Interest Rate	3.87%
Weighted Average Remaining Term (Month)	303 months
Number of Loans	2,721