Note 22 - Intangible Assets (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets, Net	$ 0	$ 0
Amortization of Intangible Assets	0	0	$ 449
Customer Relationships [Member]
Finite-Lived Intangible Assets, Net	$ 0	$ 0	0
Finite-Lived Intangible Assets, Accumulated Amortization				$ 2,400
Fully Amortized [Member]
Finite-Lived Core Deposits, Gross			$ 4,500