Note 4 - Securities (Details) - Carrying Value of Securities at Maturity (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Carrying Value of Securities at Maturity [Abstract]
Due in one year or less	$ 52,919
Due after one year through five years	143,926
Due after five years through ten years	99,318
Due after ten years	45,850
Total	342,013
Equity securities	1,589
Total available for sale securities	$ 343,602	$ 353,678