Note 28 - Related Party Transactions - Aggregate Activity Involving Related Party Borrowers (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015
Balance at beginning of year		$ 13,707	$ 13,654
New loan additions			916
Advances on existing lines of credit		24,447	19,643
Principal repayments		(24,730)	(20,487)
Reclassifications (1)	[1]		(19)
Balance at end of year		$ 13,424	$ 13,707

[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.