Note 3 - Securities (Details) - Investments by Contractual Maturity (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Investments by Contractual Maturity [Abstract]
Due in one year or less	$ 28,062
Due in one year or less	27,899
Due after one year through five years	90,906
Due after one year through five years	93,851
Due after five years through ten years	63,093
Due after five years through ten years	64,459
Due after ten years	29,733
Due after ten years	31,099
	211,794
	$ 217,308	$ 218,110