Note 19 - Condensed Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Assets
Cash and cash equivalents	$ 13,390	$ 39,331
Investment equity securities	12,410	12,849
Other assets	3,975	3,490
Total assets	1,673,340	1,440,229
Liabilities
Other liabilities	8,414	8,529
Shareholders' equity	136,494	134,445	$ 120,717	$ 104,348
Total liabilities and shareholders' equity	1,673,340	1,440,229
Parent Company [Member]
Assets
Cash and cash equivalents	1,234	242
Investment equity securities	12,410	12,849
Investment in subsidiary	123,412	121,427
Other assets	8	9
Total assets	137,064	134,527
Liabilities
Other liabilities	570	82
Shareholders' equity	136,494	134,445
Total liabilities and shareholders' equity	$ 137,064	$ 134,527