Note 22 - Derivatives - Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reclassification of losses (gains) on derivatives	$ 2,721	$ 1,435	$ (1,900)
Interest Rate Swap [Member] | Cash Flow Hedging [Member]
Reclassification of losses (gains) on derivatives	$ (1,601)	$ (843)	$ 1,118