Note 14 - Other Operating Income and Expense - Components of Other Operating Income and Expense (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Bank owned life insurance		$ 916	$ 687	$ 1,365
Other(1)	[1]	1,888	1,861	2,137
Total other operating income		2,804	2,548	3,502
OREO expense and net loss		1,494	1,549	1,202
Telephone and data communications		1,404	1,333	1,554
Office supplies		647	1,045	1,171
Other(1)	[1]	8,384	8,800	7,914
Total other operating expense		$ 11,929	$ 12,727	$ 11,841

[1] Components of other operating income or expense that do not exceed 1% of total income