Note 3 - Securities (Details) - Investments by Contractual Maturity (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Investments by Contractual Maturity [Abstract]
Due in one year or less	$ 27,461
Due in one year or less	26,769
Due after one year through five years	64,297
Due after one year through five years	66,722
Due after five years through ten years	40,314
Due after five years through ten years	41,108
Due after ten years	76,155
Due after ten years	77,200
	208,227	217,708
	$ 211,799	$ 218,110