Note 28 - Revenue From Contracts With Customers (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Trading Activity Charges Reducing Product Sales Commissions and Fees	$ 968,000	$ 883,000
Contract with Customer, Asset, after Allowance for Credit Loss, Total	0
Contract with Customer, Liability, Total	0
Fiduciary and Trust [Member]
Accrued Fees and Other Revenue Receivable	$ 4,500,000	$ 4,200,000