Note 19 - Related Party Transactions - Changes in Loans With Related Parties (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017
Beginning balance		$ 19,337	$ 18,360
New loans and advances		7,142	942
Loan repayments		(4,676)	(1,566)
Reclassifications	[1]	230	1,601
Ending balance		$ 22,033	$ 19,337

[1] Changes related to the composition of the Company's directors, executive officers, and related insiders