Note 14 - Derivatives (Details) - Offset Derivatives - Designated as Hedging Instrument [Member] - Interest Rate Swap [Member] - Cash Flow Hedging [Member] - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Derivative liabilities
Gross amounts of recognized assets/(liabilities)	$ (3,136)	$ (3,224)
Net amounts of assets/(liabilities) presented in the Consolidated Balance Sheets	(3,136)	(3,224)
Collateral posted	4,497	3,533
Net amount	$ 1,361	$ 309