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, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Impact of the Adjustments on the Company's Financial Results for the Following Reporting Periods [Abstract]
Impact on net interest income	$ 5,856	$ 3,150	$ 13,247	$ 6,097
Non-interest income	(6,410)	(3,062)	(13,850)	(5,890)
Net impact to pre-tax income	(554)	88	(603)	207
Net impact, net of taxes	$ (337)	$ 53	$ (366)	$ 126