Note 19 - Condensed Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	$ 17,608	$ 13,458
Investment equity securities	9,164	9,421
Other assets	4,395	3,255
Total assets	1,225,023	1,175,452
Liabilities
Other liabilities	9,606	4,185
Shareholders' equity	120,717	104,348	$ 98,570	$ 93,567
Total liabilities and shareholders' equity	1,225,023	1,175,452
Parent Company [Member]
Assets
Cash and cash equivalents	3,616	72
Investment equity securities	9,164	9,421
Investment in subsidiary	108,694	94,477
Other assets	27	379
Total assets	121,501	104,349
Liabilities
Other liabilities	784	1
Shareholders' equity	120,717	104,348
Total liabilities and shareholders' equity	$ 121,501	$ 104,349