Note 7 - Other Comprehensive Income (Details) - Components of Other Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net unrealized loss on securities available-for-sale:
Before Tax	$ (9,025)	$ 975	$ (10,598)	$ 1,165
Tax Effect	(3,610)	390	(4,239)	466
Net of Tax	(5,415)	585	(6,359)	699
Before Tax		(148)	(23)	(301)
Tax Effect		(59)	(10)	(120)
Net of Tax		(89)	(13)	(181)
Before Tax	(9,025)	827	(10,621)	864
Tax Effect	(3,610)	331	(4,249)	346
Net of Tax	$ (5,415)	$ 496	$ (6,372)	$ 518