Note 25 - Related Party Transactions - Aggregate Activity Involving Related Party Borrowers (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017
Balance at beginning of year		$ 13,230	$ 13,424
Advances on existing lines of credit		31,281	29,166
Principal repayments		(34,150)	(29,360)
Reclassifications (1)	[1]	(871)
Balance at end of year		$ 9,490	$ 13,230

[1] Represents loans that were once considered related party but are no longer considered related party, or loans that were not related party that subsequently became related party loans.