Note 14 - Derivatives (Details) - Estimated Reclassification out of Accumulated Other Comprehensive Income $ in Thousands	6 Months Ended
	Jun. 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 OCI	$ 1,013
Interest Rate Shock +100bp [Member]
Note 14 - Derivatives (Details) - Estimated Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Reclassifications from accumulated OCI	572
Interest Rate Shock +200bp [Member]
Note 14 - Derivatives (Details) - Estimated Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Reclassifications from accumulated OCI	$ 130