Note 18 - Revenue from Contracts with Customers - Summary of Revenue (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues		$ 42,179	$ 39,074	$ 32,236
Noninterest income, not in-scope(2)	[1],[2]	14,635	15,529	10,584
Total non-interest income		56,814	54,603	42,820
Fees and Services Charges on Deposit Account [Member]
Revenues		9,394	8,618	7,965
Wealth Management Fees [Member]
Revenues		16,436	15,056	10,529
Other Service Fees [Member]
Revenues	[1]	$ 16,349	$ 15,400	$ 13,742

[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 interest rate swaps, unrealized net gains on equity securities and other miscellaneous income.