Note 14 - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Beginning Balance			$ (4,434)	$ (4,845)	$ (4,845)
Other Comprehensive Income (Loss) Before Reclassification			4,507		403
Amounts Reclassified from Accumulated Other Comprehensive Income			85		8
Net Current Period Other Comprehensive Income	$ 1,161	$ (1,259)	4,592	$ 823	411
Ending Balance	$ 158		$ 158		$ (4,434)