Note 14 - Additional Cash Flow Information (Details) - Additional Cash Flow Information (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Additional Cash Flow Information [Abstract]
Interest paid	$ 6,952	$ 6,112
Income taxes paid	11,674	7,144
Transfers of loans to foreclosed assets	2,097	6,556
Transfers of loans acquired, covered by FDIC loss share, to foreclosed assets covered by FDIC loss share	$ 4,043	$ 3,267