Note 14 - Additional Cash Flow Information (Details) - Additional Cash Flow Information (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Additional Cash Flow Information [Abstract]
Interest paid	$ 6,112	$ 8,047
Income taxes paid	7,144	5,372
Transfers of loans to foreclosed assets	6,556	3,423
Transfers of loans acquired, covered by FDIC loss share, to foreclosed assets covered by FDIC loss share	$ 3,267	$ 7,443