Note 17 - Revenue from Contracts with Customers - Summary of Revenue (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenues		$ 11,033	$ 9,443	$ 32,373	$ 28,569
Noninterest income, not in-scope(2)	[1],[2]	(1,157)	2,773	12,353	6,230
Total non-interest income		9,876	12,216	44,726	34,799
Fees and Services Charges on Deposit Account [Member]
Revenues		2,398	2,130	7,156	6,386
Wealth Management Fees [Member]
Revenues		4,184	3,578	12,494	11,074
Other Service Fees [Member]
Revenues	[1]	$ 4,451	$ 3,735	$ 12,723	$ 11,109

[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.