Note 2 - Acquisitions and Divestitures - Pro Forma Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Total revenues (net interest income plus noninterest income)	$ 150,618	$ 145,656
Net adjusted income available to the common shareholder	$ 43,463	$ 42,470