Note 6 - Maturities of Certificates of Deposits (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
One Year and Under	$ 274,143	$ 287,423
One to Three Years	85,330	88,019
Three Years and Over	24,857	24,290
	$ 384,330	$ 399,732