Note 14 - Derivatives (Details) - Estimated Reclassification out of Accumulated Other Comprehensive Income $ in Thousands	9 Months Ended
	Sep. 30, 2015 USD ($)
Interest Rate Shock Flat [Member]
Note 14 - Derivatives (Details) - Estimated Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Reclassifications from accumulated other comprehensive income	$ 1,054
Interest Rate Shock +100bp [Member]
Note 14 - Derivatives (Details) - Estimated Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Reclassifications from accumulated other comprehensive income	613
Interest Rate Shock +200bp [Member]
Note 14 - Derivatives (Details) - Estimated Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Reclassifications from accumulated other comprehensive income	$ 171