Note 17 - Revenue from Contracts with Customers - Summary of Revenue (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Revenues		$ 9,960	$ 10,833
Noninterest income, not in-scope(2)	[1],[2]	4,284	9,399
Total noninterest income		14,244	20,232
Fees and Services Charges on Deposit Account [Member]
Revenues		2,519	2,410
Wealth Management Fees [Member]
Revenues		3,897	4,354
Other Service Fees [Member]
Revenues	[1]	$ 3,544	$ 4,069

[1] Other service fees comprise of fees related to letters of credit, wire fees, fees on foreign exchange transactions and other immaterial individual revenue streams.

[2] These amounts primarily represent revenue from contracts with customers that are out of the scope of ASC Topic 606.