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		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Impact of the adjustments on the Company's financial results for the following reporting periods: [Abstract]
Impact on net interest income	$ 3,150	$ 3,004	$ 6,097	$ 6,189
Non-interest income	(3,062)	(2,737)	(5,890)	(5,516)
Net impact to pre-tax income	88	267	207	673
Net impact, net of taxes	$ 53	$ 162	$ 126	$ 409