Note 5 - Loans Acquired (Details) - Impact of the adjustments on the Company's financial results for the following reporting periods: (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Impact of the adjustments on the Company's financial results for the following reporting periods: [Abstract]
Impact on net interest income	$ 4,005	$ 2,915	$ 10,102	$ 9,104
Non-interest income	(3,844)	(2,729)	(9,734)	(8,245)
Net impact to pre-tax income	161	186	368	859
Net impact, net of taxes	$ 98	$ 113	$ 224	$ 522